John Day (non-specific) ( of the United States)

Also known as Near the John Day River

Where: Grant County, Oregon (44.7° N, 119.6° W)

• Paleocoordinates: 49.2° N, 105.4° W (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: John Day Formation, Arikareean (29.5 - 18.5 Ma)

• member-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by J. L. Wortman

Primary reference: C. W. Gilmore. 1938. Fossil snakes of North America. Geological Society of America Special Paper (9)1-96 [J. Head/J. Head]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 180202: authorized by Paul Barrett, entered by Terri Cleary on 11.07.2016, edited by Evangelos Vlachos and Bethany Allen

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Squamata - Loxocemidae
Ogmophis oregonensis n. gen. n. sp.
Ogmophis oregonensis n. gen. n. sp. Cope 1844 Mexican burrowing snake
AMNH (lost), four dorsal vertebrae and possibly a cervical
 Testudines - Testudinidae
Stylemys oregonensis1, "Stylemys capax n. sp." = Stylemys capax2, "Stylemys conspecta n. sp." = Stylemys capax2
Stylemys oregonensis1 Leidy 1872 turtle
"Stylemys capax n. sp." = Stylemys capax2 Hay 1908 turtle
AMNH 1357 (holotype), a complete shell (Hay 1908, figs. 498, 499)
"Stylemys conspecta n. sp." = Stylemys capax2 Hay 1908 turtle
AMNH 1358 (holotype), a complete shell (Hay 1908, figs. 500, 501)
Mammalia
 Lagomorpha - Leporidae
Palaeolagus haydeni1
Palaeolagus haydeni1 Leidy 1856 rabbit
 Rodentia - Entoptychidae
Entoptychus planifrons1, Entoptychus cavifrons1, Entoptychus crassiramis1
Entoptychus planifrons1 Cope 1878 rodent
Entoptychus cavifrons1 Cope 1878 rodent
Entoptychus crassiramis1 Cope 1878 rodent
 Rodentia - Aplodontidae
Meniscomys hippodus1
Meniscomys hippodus1 Cope 1878 mountain beaver
 Rodentia - Allomyidae
"Meniscomys multiplicatus" = Allomys nitens1
"Meniscomys multiplicatus" = Allomys nitens1 Marsh 1877 rodent
 Rodentia - Geomyidae
Pleurolicus sulcifrons1
Pleurolicus sulcifrons1 Cope 1878 pocket gopher
 Rodentia - Castoridae
"Steneofiber ? nebrascensis" = Palaeocastor nebrascensis1, "Steneofiber gradatus" = Capacikala gradatus1
"Steneofiber ? nebrascensis" = Palaeocastor nebrascensis1 Leidy 1856 beaver
"Steneofiber gradatus" = Capacikala gradatus1 Cope 1878 beaver
 Perissodactyla - Rhinocerotidae
"Aceratherium pacificum" = Rhinoceros pacificus1
"Aceratherium pacificum" = Rhinoceros pacificus1 Leidy 1872 rhinoceros
 Perissodactyla - Equidae
"Anchitherium longicriste" = Anchitherium longicristis1
"Anchitherium longicriste" = Anchitherium longicristis1 Cope 1878 anchitheriine horse
 Artiodactyla - Camelidae
"Poebrotherium sternbergii n. sp." = Gentilicamelus sternbergi1
"Poebrotherium sternbergii n. sp." = Gentilicamelus sternbergi1 Cope 1879 camel
 Artiodactyla - Merycoidodontidae
"Eucrotaphus superbus" = Promerycochoerus superbus1, "Merycochoerus temporalis" = Promerycochoerus superbus1, "Merycochoerus leidyi" = Promerycochoerus leidyi1, "Eucrotaphus occidentalis" = Eporeodon occidentalis1
"Eucrotaphus superbus" = Promerycochoerus superbus1 Leidy 1870 oreodont
"Merycochoerus temporalis" = Promerycochoerus superbus1 Leidy 1870 oreodont
"Merycochoerus leidyi" = Promerycochoerus leidyi1 Bettany 1876 oreodont
"Eucrotaphus occidentalis" = Eporeodon occidentalis1 Marsh 1873 oreodont
 Artiodactyla - Leptomerycidae
Leptomeryx evansi1
Leptomeryx evansi1 Leidy 1853 ruminant
 Artiodactyla - Hypertragulidae
Hypertragulus calcaratus1
Hypertragulus calcaratus1 Cope 1873 ruminant
 Artiodactyla - Agriochoeridae
"Merycopater guyotianus" = Agriochoerus guyotianus1
"Merycopater guyotianus" = Agriochoerus guyotianus1 Cope 1878 agriochoerid
 Artiodactyla - Entelodontidae
"Boochoerus humerosus n. gen. n. sp." = Daeodon humerosus1, Daeodon shoshonensis1, "Elotherium imperator" = Archaeotherium imperator1
"Boochoerus humerosus n. gen. n. sp." = Daeodon humerosus1 Cope 1879 even-toed ungulate
Daeodon shoshonensis1 Cope 1878 even-toed ungulate
"Elotherium imperator" = Archaeotherium imperator1 Leidy 1873 even-toed ungulate
 Artiodactyla - Tayassuidae
"Palaeochoerus socialis" = Marshochoerus socialis1, "Palaeochoerus pristinus" = Thinohyus lentus1
"Palaeochoerus socialis" = Marshochoerus socialis1 Marsh 1875 peccary
"Palaeochoerus pristinus" = Thinohyus lentus1 Marsh 1875 peccary
 Carnivora - Canidae
Enhydrocyon basilatus n. sp.1, Enhydrocyon stenocephalus n. gen. n. sp.1, "Canis gregarius" = Hesperocyon gregarius1, Canis geismarianus1
Enhydrocyon basilatus n. sp.1 Cope 1879 canid
Enhydrocyon stenocephalus n. gen. n. sp.1 Cope 1879 canid
"Canis gregarius" = Hesperocyon gregarius1 Cope 1873 canid
Canis geismarianus1 Cope 1878 canine
 Carnivora - Amphicyonidae
Temnocyon altigenis1, "Canis hartshornianus" = Daphoenus hartshornianus1, Canis lippincottianus1, "Canis cuspigerus" = Paradaphoenus cuspigerus1
Temnocyon altigenis1 Cope 1878 bear-dog
"Canis hartshornianus" = Daphoenus hartshornianus1 Cope 1873 bear-dog
Canis lippincottianus1 Cope 1873 bear-dog
"Canis cuspigerus" = Paradaphoenus cuspigerus1 Cope 1878 bear-dog
 Carnivora - Nimravidae
"Machaerodus strigidens" = Hoplophoneus strigidens1, "Hoplophoneus brachyops" = Nimravus brachyops1
"Machaerodus strigidens" = Hoplophoneus strigidens1 Cope 1878 false sabre-tooth
"Hoplophoneus brachyops" = Nimravus brachyops1 Cope 1878 false sabre-tooth
1Cope 1879; 2Hay 1908