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37,902 documents - page 4 of 500
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Protohippus placidus Leidy, 1869
Collector:
Ferdinand V. Hayden
Search this
Type Citation:
Leidy. 1869. Acad.Nat.Sci.Philadelphia Jour. ser.2,7: 277, pl.18.
Stirton, R. A. 1940. California Univ.Pubs.Geol.Sci. 25 (n.4): 188, tf.40.
Type Status:
syntype
Place:
Nebraska, United States, North America
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Laurasiatheria Perissodactyla Equidae
Published Name:
Protohippus placidus Leidy, 1869
Calippus placidus (Leidy)
USNM Number:
V17065
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/31dead514-7a35-4038-ae57-b7f0c48aaea4
EDAN-URL:
edanmdm:nmnhpaleobiology_3427970
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Cosoryx teres Cope
Collector:
Dr. Edward D. Cope
Search this
Type Citation:
Cope. 1874. Acad.Nat.Sci.Philadelphia Proc. 150.
Type Status:
syntype
Place:
New Mexico, United States, North America
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Laurasiatheria Artiodactyla Antilocapridae
Published Name:
Cosoryx teres Cope
USNM Number:
V2044
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/3be7eb4dc-6ea0-436f-9632-78517be2300b
EDAN-URL:
edanmdm:nmnhpaleobiology_3428027
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Protohippus placidus Leidy, 1869
Collector:
Ferdinand V. Hayden
Search this
Type Citation:
Leidy. 1869. Acad.Nat.Sci.Philadelphia Jour. ser.2,7: 277, pl.18,f.41.
Type Status:
syntype
Place:
Nebraska, United States, North America
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Laurasiatheria Perissodactyla Equidae
Published Name:
Protohippus placidus Leidy, 1869
USNM Number:
V2365
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/3c677ed2e-eb33-4ce9-adef-a8107af8f7d7
EDAN-URL:
edanmdm:nmnhpaleobiology_3428110
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Rhinoceros longipes Leidy
Collector:
U.S. Geological Survey
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Type Citation:
Leidy. 1890. Acad.Nat.Sci.Philadelphia Proc. 183.
Type Status:
syntype
Place:
Levy County, Florida, United States, North America
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Laurasiatheria Perissodactyla Rhinocerotidae
Published Name:
Rhinoceros longipes Leidy
USNM Number:
V3280
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/38dfbd5d8-7525-4434-9f4a-bc6064b327e2
EDAN-URL:
edanmdm:nmnhpaleobiology_3428139
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Hipparion gratum Leidy
Collector:
Ferdinand V. Hayden
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Type Citation:
Leidy. 1869. Acad.Nat.Sci.Philadelphia Jour. ser.2,7: 287-289, pl.18,f.25-30.
Type Status:
syntype
Place:
Nebraska, United States, North America
Collection Date:
1857
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Laurasiatheria Perissodactyla Equidae
Published Name:
Hipparion gratum Leidy
USNM Number:
V587
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Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/38c9d1dd8-28e0-4a6d-84bc-8621e7564b7d
EDAN-URL:
edanmdm:nmnhpaleobiology_3428220
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Protohippus placidus Leidy, 1869
Collector:
Ferdinand V. Hayden
Search this
Type Citation:
Leidy. 1869. Acad.Nat.Sci.Philadelphia Jour. ser.2,7: 277, pl.18,f.40.
Type Status:
syntype
Place:
Nebraska, United States, North America
Collection Date:
1857
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Laurasiatheria Perissodactyla Equidae
Published Name:
Protohippus placidus Leidy, 1869
USNM Number:
V621
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/370697b60-739f-413a-a41a-6dbd11e45b57
EDAN-URL:
edanmdm:nmnhpaleobiology_3428231
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Stenofiber nebrascensis Leidy
Collector:
Ferdinand V. Hayden
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Type Citation:
Leidy. 1856. Acad.Nat.Sci.Philadelphia Proc. 8: 89.
Type Status:
syntype
Place:
South Dakota, United States, North America
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Gliriformes Rodentia Castoridae
Published Name:
Stenofiber nebrascensis Leidy
USNM Number:
V657
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/34eea35b3-9914-462c-b3fa-24226184fafe
EDAN-URL:
edanmdm:nmnhpaleobiology_3428234
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Palaeosyops paludosus Leidy, 1870
Collector:
Ferdinand V. Hayden
Search this
Type Citation:
Leidy. 1870. Acad.Nat.Sci.Philadelphia Proc. 22: 113.
Type Status:
syntype
Place:
Uinta County, Wyoming, United States, North America
Collection Date:
1870
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Laurasiatheria Perissodactyla Brontotheriidae
Published Name:
Palaeosyops paludosus Leidy, 1870
USNM Number:
V753
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/30951e8d2-9af8-407f-b86e-aabde5f1e5f7
EDAN-URL:
edanmdm:nmnhpaleobiology_3428254
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Palaeosyops paludosus Leidy, 1870
Collector:
Ferdinand V. Hayden
Search this
Type Citation:
Leidy. 1870. Acad.Nat.Sci.Philadelphia Proc. 22: 113.
Type Status:
syntype
Place:
Uinta County, Wyoming, United States, North America
Collection Date:
1870
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Laurasiatheria Perissodactyla Brontotheriidae
Published Name:
Palaeosyops paludosus Leidy, 1870
USNM Number:
V754
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/384213e34-088d-4e3e-93ae-4bb8c60c6987
EDAN-URL:
edanmdm:nmnhpaleobiology_3428255
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Palaeosyops paludosus Leidy, 1870
Collector:
Ferdinand V. Hayden
Search this
Type Citation:
Leidy. 1870. Acad.Nat.Sci.Philadelphia Proc. 22: 113.
Type Status:
syntype
Place:
Uinta County, Wyoming, United States, North America
Collection Date:
1870
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Laurasiatheria Perissodactyla Brontotheriidae
Published Name:
Palaeosyops paludosus Leidy, 1870
USNM Number:
V756
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/3f343b63a-292e-424a-8d58-a8abd56400aa
EDAN-URL:
edanmdm:nmnhpaleobiology_3428257
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Palaeosyops paludosus Leidy, 1870
Collector:
Ferdinand V. Hayden
Search this
Type Citation:
Matthew. 1909. Am.Mus.Nat.Hist.Mem. 9,pt.6: 302, unfig.
Leidy. 1870. Acad.Nat.Sci.Philadelphia Proc. 1870: 113.
Osborn. 1929. U.S.Geol.Survey Mon. mon.55,1: 157, f.88,v.2,pl.59,f.d.
Matthew. 1899. Am.Mus.Nat.Hist.Bull. 12: 46.
Type Status:
syntype
lectotype
holotype
Place:
Uinta County, Wyoming, United States, North America
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Laurasiatheria Perissodactyla Brontotheriidae
Published Name:
Palaeosyops paludosus Leidy, 1870
USNM Number:
V759
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/3c6f52c29-352f-440d-be22-fb2864849706
EDAN-URL:
edanmdm:nmnhpaleobiology_3428262
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Archaeotherium robustum Leidy, 1852
Collector:
John Evans
Search this
Type Citation:
Matthew. 1899. Am.Mus.Nat.Hist.Bull. 12,art.3: 59.
Leidy. 1852. Geol.Survey Of Wisconsin, Iowa And Minnesota. 572.
Leidy. 1854. Acad.Nat.Sci.Philadelphia Proc. 7: 157.
Troxell. 1920. Am.Jour.Sci. 50: 250.
Type Status:
syntype
Place:
South Dakota, United States, North America
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Laurasiatheria Artiodactyla Entelodontidae
Published Name:
Archaeotherium robustum Leidy, 1852
Entelodon mortoni (Leidy)
Archaeotherium mortoni Leidy, 1850
Elotherium robustum (Leidy)
USNM Number:
V784
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/374946bc8-f215-4a74-bfaf-5f13a1800cdc
EDAN-URL:
edanmdm:nmnhpaleobiology_3428282
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Archaeotherium robustum Leidy, 1852
Collector:
John Evans
Search this
Type Citation:
Matthew. 1899. Am.Mus.Nat.Hist.Bull. 12,art.3: 59.
Leidy. 1852. Geol.Survey Of Wisconsin, Iowa And Minnesota. 572.
Leidy. 1854. Acad.Nat.Sci.Philadelphia Proc. 7: 157.
Troxell. 1920. Am.Jour.Sci. 50: 250.
Type Status:
syntype
Place:
South Dakota, United States, North America
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Laurasiatheria Artiodactyla Entelodontidae
Published Name:
Archaeotherium robustum Leidy, 1852
Archaeotherium mortoni Leidy, 1850
Entelodon mortoni (Leidy)
Elotherium robustum (Leidy)
USNM Number:
V785
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/3613bc40a-338e-417b-b09b-8a56f37d336e
EDAN-URL:
edanmdm:nmnhpaleobiology_3428284
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Megatherium mirabile Leidy
Collector:
Habersham
Search this
Scriven
Search this
Type Citation:
Leidy. 1852. Acad.Nat.Sci.Philadelphia Proc. 6: 117.
Type Status:
syntype
Place:
Georgia, United States, North America
Collection Date:
1823
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Xenarthra Pilosa Folivora Megatheriidae
Published Name:
Megatherium mirabile Leidy
USNM Number:
V825
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/396f54900-c7a0-4c8e-b227-bf156cd2a29c
EDAN-URL:
edanmdm:nmnhpaleobiology_3428301
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Megatherium mirabile Leidy
Collector:
J. P. Scriven
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Type Citation:
Leidy. 1852. Acad.Nat.Sci.Philadelphia Proc. 6: 117.
Type Status:
syntype
Place:
Georgia, United States, North America
Collection Date:
1823
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Xenarthra Pilosa Folivora Megatheriidae
Published Name:
Megatherium mirabile Leidy
USNM Number:
V827
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/33fa06011-07c8-48a1-b375-a3a42b50ce99
EDAN-URL:
edanmdm:nmnhpaleobiology_3428305
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Megatherium mirabile Leidy
Collector:
J. C. Habersham
Search this
Type Citation:
Leidy. 1852. Acad.Nat.Sci.Philadelphia Proc. 6: 117.
Type Status:
syntype
Place:
Georgia, United States, North America
Collection Date:
1823
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Xenarthra Pilosa Folivora Megatheriidae
Published Name:
Megatherium mirabile Leidy
USNM Number:
V830
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/3dc93e77a-80a1-4ea1-b4df-27c3283eba2f
EDAN-URL:
edanmdm:nmnhpaleobiology_3428308
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Megatherium mirabile Leidy
Collector:
J. C. Habersham
Search this
Type Citation:
Leidy. 1852. Acad.Nat.Sci.Philadelphia Proc. 6: 117.
Type Status:
syntype
Place:
Georgia, United States, North America
Collection Date:
1823
Taxonomy:
Animalia Chordata Vertebrata Synapsida Mammalia Eutheria Xenarthra Pilosa Folivora Megatheriidae
Published Name:
Megatherium mirabile Leidy
USNM Number:
V837
See more items in:
Paleogeneral
Types: Mammals Terrestrial
Mammalia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/382942ccf-68af-4ce0-b668-890fec24e02c
EDAN-URL:
edanmdm:nmnhpaleobiology_3428314
Online Media:
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Palaeophis virginianus Lynn, 1934
Collector:
W. G. Lynn
Search this
Type Citation:
Lynn. 1934. Johns Hopkins Univ.Studies Geol. (n.11): 245-9, pl.17,f.6.
Type Status:
syntype
Place:
Virginia, United States, North America
Collection Date:
2 Dec 1933
Taxonomy:
Animalia Chordata Vertebrata Sauropsida Reptilia Lepidosauria Serpentes Palaeophidae
Published Name:
Palaeophis virginianus Lynn, 1934
USNM Number:
V13641
See more items in:
Paleogeneral
Types: Reptiles/Amphibians
Reptilia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/369dfdfda-ab41-4b45-b7fa-5f09500274e7
EDAN-URL:
edanmdm:nmnhpaleobiology_3448770
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Allosaurus medius Marsh, 1888
Collector:
Mr. John B. Hatcher
Search this
Site Name:
Hotton Arundel Site
Search this
Type Citation:
Marsh. 1888. Am.Jour.Sci. 35: 93.
Type Status:
syntype
Place:
Prince George's County, Maryland, United States, North America
Collection Date:
1887
Taxonomy:
Animalia Chordata Vertebrata Sauropsida Reptilia Archosauria Dinosauria Saurischia Theropoda Allosauridae
Published Name:
Allosaurus medius Marsh, 1888
Dryptosaurus medius (Marsh, 1888)
USNM Number:
V4972
See more items in:
Paleogeneral
Types: Reptiles/Amphibians
Reptilia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/3f380a5a5-9229-4ddf-9f30-6873d16b36d1
EDAN-URL:
edanmdm:nmnhpaleobiology_3448877
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Ornithomimus affinis Gilmore, 1920
Collector:
Mr. John B. Hatcher
Search this
Site Name:
Hotton Arundel Site
Search this
Type Citation:
Gilmore. 1920. U.S.Natl.Mus.Bull. (n.110): 137-142.
Type Status:
syntype
Place:
Prince George's County, Maryland, United States, North America
Collection Date:
1887
Taxonomy:
Animalia Chordata Vertebrata Sauropsida Reptilia Archosauria Dinosauria Saurischia Theropoda Ornithomimidae
Published Name:
Ornithomimus affinis Gilmore, 1920
USNM Number:
V5453
See more items in:
Paleogeneral
Types: Reptiles/Amphibians
Reptilia Primary Type
Paleobiology
Data Source:
NMNH - Paleobiology Dept.
GUID:
http://n2t.net/ark:/65665/3bf824d0a-66fe-4c23-9822-0f456c10fbfe
EDAN-URL:
edanmdm:nmnhpaleobiology_3448883
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Mexico
(2,443)
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North Pacific Ocean
(2,027)
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North Atlantic Ocean
(1,935)
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[Not Stated]
(1,720)
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California
(1,712)
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Brazil
(1,487)
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Canada
(1,139)
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Colorado
(896)
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Brazil
(1,487)
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California
(1,712)
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Canada
(1,139)
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Colorado
(896)
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Florida
(886)
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Mexico
(2,443)
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North America
(9,194)
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North Atlantic Ocean
(1,935)
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North Pacific Ocean
(2,027)
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United States
(14,647)
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date
By Range
Date Listing
Filter results to a specific time period.
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1720s
(2)
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1760s
(7)
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1770s
(6)
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1780s
(3)
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1790s
(3)
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1800s
(21)
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1810s
(26)
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1820s
(54)
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1830s
(354)
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1840s
(467)
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catalog record source
Frequency
Alphabetical
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NMNH - Paleobiology Dept.
(13,830)
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NMNH - Entomology Dept.
(8,835)
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NMNH - Invertebrate Zoology Dept.
(6,455)
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NMNH - Botany Dept.
(6,283)
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NMNH - Vertebrate Zoology - Herpetology Division
(1,218)
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NMNH - Vertebrate Zoology - Fishes Division
(1,198)
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NMNH - Vertebrate Zoology - Mammals Division
(83)
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NMNH - Botany Dept.
(6,283)
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NMNH - Entomology Dept.
(8,835)
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NMNH - Invertebrate Zoology Dept.
(6,455)
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NMNH - Paleobiology Dept.
(13,830)
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NMNH - Vertebrate Zoology - Fishes Division
(1,198)
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NMNH - Vertebrate Zoology - Herpetology Division
(1,218)
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NMNH - Vertebrate Zoology - Mammals Division
(83)
science categories
common name
Frequency
Alphabetical
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weevil
(11)
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weevil
(11)
tax_kingdom
Frequency
Alphabetical
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Animalia
(27,195)
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Plantae
(9,349)
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Chromista
(1,161)
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Fungi
(127)
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Protista
(38)
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Eubacteria
(18)
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Protozoa
(10)
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Animalia
(27,195)
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Chromista
(1,161)
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Eubacteria
(18)
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Fungi
(127)
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Plantae
(9,349)
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Protista
(38)
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Protozoa
(10)
tax_phylum
Frequency
Alphabetical
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Arthropoda
(9,939)
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Brachiopoda
(4,361)
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Mollusca
(4,023)
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Chordata
(3,261)
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Bryozoa
(2,240)
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Cnidaria
(1,180)
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Foraminifera
(1,114)
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Echinodermata
(1,078)
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Porifera
(380)
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Platyhelminthes
(320)
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Arthropoda
(9,939)
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Brachiopoda
(4,361)
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Bryophyta
(269)
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Bryozoa
(2,240)
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Chordata
(3,261)
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Cnidaria
(1,180)
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Echinodermata
(1,078)
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Foraminifera
(1,114)
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Mollusca
(4,023)
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Platyhelminthes
(320)
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tax_class
Frequency
Alphabetical
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Insecta
(8,841)
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Dicotyledonae
(4,198)
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Gastropoda
(2,603)
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Rhynchonellata
(2,050)
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Lingulata
(1,413)
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Monocotyledonae
(1,194)
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Actinopterygii
(1,144)
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Cheilostomata
(941)
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Reptilia
(909)
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Cystoporata
(852)
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Actinopterygii
(1,144)
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Anthozoa
(806)
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Cheilostomata
(941)
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Cystoporata
(852)
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Dicotyledonae
(4,198)
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Gastropoda
(2,603)
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Insecta
(8,841)
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Lingulata
(1,413)
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Monocotyledonae
(1,194)
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Reptilia
(909)
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tax_order
Frequency
Alphabetical
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Lepidoptera
(3,866)
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Hemiptera
(2,709)
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Hymenoptera
(1,495)
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Poales
(1,009)
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Lingulida
(971)
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Orthida
(881)
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Squamata
(800)
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Rotaliida
(710)
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Rosales
(642)
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Scleractinia
(501)
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Hemiptera
(2,709)
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Hymenoptera
(1,495)
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Lepidoptera
(3,866)
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Lingulida
(971)
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Orthida
(881)
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Pentamerida
(449)
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Poales
(1,009)
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Rosales
(642)
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Rotaliida
(710)
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Scleractinia
(501)
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tax_family
Frequency
Alphabetical
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Aphididae
(2,616)
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Notodontidae
(1,097)
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Formicidae
(1,010)
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Poaceae
(863)
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Noctuidae
(799)
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Obolidae
(752)
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Rosaceae
(507)
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Fabaceae
(416)
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Urocoptidae
(404)
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Asteraceae
(403)
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Acrotretidae
(389)
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Aphididae
(2,616)
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Asteraceae
(403)
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Fabaceae
(416)
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Formicidae
(1,010)
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Noctuidae
(799)
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Notodontidae
(1,097)
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Obolidae
(752)
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Poaceae
(863)
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Rosaceae
(507)
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scientific name
Frequency
Alphabetical
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Cnemidophorus communis
(114)
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Aspidoscelis communis
(110)
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Ericaphis gentneri (Mason, 1947)
(64)
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Macrosiphum gentneri Mason, 1947
(64)
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Acyrthosiphon asterifoliae (Strom, 1934)
(52)
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Macrosiphum asterifoliae Strom, 1934
(52)
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Pleotrichophorus asterifoliae (Strom, 1934)
(52)
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Eldonia ludwigi Walcott
(49)
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Anaxyrus americanus
(47)
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Bufo americanus
(47)
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Acyrthosiphon asterifoliae (Strom, 1934)
(52)
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Anaxyrus americanus
(47)
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Aspidoscelis communis
(110)
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Bufo americanus
(47)
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Bufo americanus copei
(47)
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Cnemidophorus communis
(114)
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Eldonia ludwigi Walcott
(49)
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Ericaphis gentneri (Mason, 1947)
(64)
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Macrosiphum asterifoliae Strom, 1934
(52)
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Macrosiphum gentneri Mason, 1947
(64)
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geo_age-era
Frequency
Alphabetical
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Paleozoic
(5,130)
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Cenozoic
(1,181)
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Mesozoic
(291)
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Cenozoic
(1,181)
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Mesozoic
(291)
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Paleozoic
(5,130)
geo_age-system
Frequency
Alphabetical
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Cambrian
(2,203)
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Ordovician
(694)
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Devonian
(668)
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Paleogene
(612)
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Mississippian
(474)
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Carboniferous
(334)
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Permian
(301)
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Silurian
(267)
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Neogene
(253)
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Recent
(231)
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Cambrian
(2,203)
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Carboniferous
(334)
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Devonian
(668)
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Mississippian
(474)
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Neogene
(253)
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Ordovician
(694)
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Paleogene
(612)
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Pennsylvanian
(189)
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Permian
(301)
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Recent
(231)
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geo_age-series
Frequency
Alphabetical
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Middle
(1,488)
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Late
(1,372)
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Early
(1,337)
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Eocene
(345)
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Oligocene
(236)
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Miocene
(228)
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Paleocene
(31)
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Pliocene
(15)
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Mio-Pliocene
(7)
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Pleistocene
(3)
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Early
(1,337)
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Eocene
(345)
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Late
(1,372)
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Middle
(1,488)
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Mio-Pliocene
(7)
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Miocene
(228)
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Oligocene
(236)
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Paleocene
(31)
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Pleistocene
(3)
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Plio-Pleistocene
(1)
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geo_age-stage
Frequency
Alphabetical
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Canadian
(435)
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Guadalupian
(144)
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Gedinnian
(110)
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Trempealeauan
(91)
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Pridolian
(73)
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Cenomanian
(26)
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Maastrichtian
(23)
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Porterfieldian
(22)
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Upper/Late
(21)
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Bridgerian
(20)
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Blackriverian
(16)
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Bridgerian
(20)
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Canadian
(435)
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Cenomanian
(26)
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Gedinnian
(110)
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Guadalupian
(144)
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Maastrichtian
(23)
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Porterfieldian
(22)
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Pridolian
(73)
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Trempealeauan
(91)
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strat_group
Frequency
Alphabetical
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Aubrey Group
(101)
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Pogonip Group
(88)
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Potsdam Group
(51)
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Chesapeake Group
(40)
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Hamilton Group
(27)
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McCoy Group
(21)
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Clinton Group
(15)
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Trenton Group
(15)
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Richmond Group
(14)
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Pamunkey Group
(13)
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Aubrey Group
(101)
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Chesapeake Group
(40)
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Clinton Group
(15)
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Hamilton Group
(27)
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McCoy Group
(21)
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Pamunkey Group
(13)
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Pogonip Group
(88)
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Potomac Group
(13)
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Potsdam Group
(51)
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Richmond Group
(14)
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strat_formation
Frequency
Alphabetical
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Stephen Fm
(331)
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Unknown
(187)
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Roberts Mountains Fm
(183)
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Fayetteville Sh
(149)
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Verdun Fm
(144)
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Moorefield Fm
(125)
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Hermit Sh
(103)
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West Falls Fm
(96)
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Burlington Ls
(86)
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Capitan Ls
(85)
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Burlington Ls
(86)
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Capitan Ls
(85)
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Fayetteville Sh
(149)
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Hermit Sh
(103)
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Jennings Fm
(78)
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Moorefield Fm
(125)
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Roberts Mountains Fm
(183)
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Stephen Fm
(331)
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Unknown
(187)
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Verdun Fm
(144)
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strat_member
Frequency
Alphabetical
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Burgess Sh Mbr
(322)
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Rhinestreet Sh Mbr
(96)
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Chemung Mbr
(52)
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Keyser Mbr
(29)
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Parkhead Mbr
(22)
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Montebello Ss Mbr
(18)
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Hamilton Mbr
(17)
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Ridgeley Ss Mbr
(14)
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Arundel Clay Mbr
(13)
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Gassaway Mbr
(13)
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Arundel Clay Mbr
(13)
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Burgess Sh Mbr
(322)
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Chalky Mount Mbr
(12)
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Chemung Mbr
(52)
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Gassaway Mbr
(13)
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Hamilton Mbr
(17)
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Keyser Mbr
(29)
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Montebello Ss Mbr
(18)
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Parkhead Mbr
(22)
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Rhinestreet Sh Mbr
(96)
See All