Cedar Creek (Middle) (Oligocene of the United States)
Where: Logan County, Colorado (40.8° N, 103.1° W: paleocoordinates 42.0° N, 95.2° W)
• coordinate based on political unit
When: Cedar Creek Member (Brule Formation), Orellan (33.9 - 33.3 Ma)
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: E. C. Galbreath. 1953. A contribution to the Tertiary geology and paleontology of northeastern Colorado. University of Kansas Paleontological Contributions Vertebrata 4:1-120 [J. Alroy/J. Alroy/J. Marcot]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 17082: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
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Oligomyotis casementi2 vesper bat from "middle Orellan" of Cedar Creek", must = middle of mbr.; a bat
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Cedromus wardi Wilson 1949 squirrel | |
"Prosciurus relictus" = Altasciurus relictus, Pelycomys placidus
"Prosciurus relictus" = Altasciurus relictus Cope 1873 mountain beaver
Pelycomys placidus Galbreath 1953 mountain beaver said by Korth 1989b to occur "at all levels of the Orellan Cedar Creek beds" but listed only here by Galbreath
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Eumys elegans Leidy 1856 mouse | |
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"Heliscomys tenuiceps" = Ecclesimus tenuiceps
"Heliscomys tenuiceps" = Ecclesimus tenuiceps Galbreath 1948 rodent additional specimen described by Galbreath 1961
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"Paradjidaumo trilophus" = Adjidaumo trilophus
"Paradjidaumo trilophus" = Adjidaumo trilophus Cope 1873 rodent | |
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Ischyromys typus Leidy 1856 rodent | |
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Megalagus turgidus Cope 1873 rabbit
Palaeolagus burkei Schlaikjer 1935 rabbit | |
Proscalops sp., "Arctoryctes galbreathi n. sp." = Oligoscalops galbreathi
Proscalops sp. Matthew 1901 placental
"Arctoryctes galbreathi n. sp." = Oligoscalops galbreathi Reed 1956 placental "? Arctoryctes sp."; includes "O. whitmanensis" reported by Reed 1961
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Domnina gradata, "Heterosorex compressus" = Noritrimylus compressus
Domnina gradata Cope 1873 shrew | |
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Daphoenus cf. vetus Leidy 1853 bear-dog probably includes "Cedar Creek" and "Casement Ranch" specimens of Hunt 1998b
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Drassonax harpagops n. sp.
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Dinictis sp. Leidy 1854 false sabre-tooth | |
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"Pseudocynodictis gregarius" = Hesperocyon gregarius Cope 1873 canid | |
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Hyaenodon horridus Leidy 1853 creodont | |
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Leptomeryx evansi Leidy 1853 ruminant
Leptomeryx esulcatus Cope 1889 ruminant | |
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Hypisodus minimus Cope 1873 ruminant | |
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Hypertragulus calcaratus Cope 1873 ruminant | |
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Archaeotherium mortoni Leidy 1850 even-toed ungulate | |
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Heptacodon sp. Marsh 1894 anthracothere | |
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Poebrotherium wilsoni Leidy 1847 camel | |
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Subhyracodon occidentalis Leidy 1850 rhinoceros | |
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"Peratherium fugax" = Herpetotherium fugax Cope 1873 marsupial | |