Cedar Creek (Lower) (Oligocene of the United States)
Also known as Clyde Ward Ranch
Where: Logan County, Colorado (40.8° N, 103.1° W)
• Paleocoordinates: 46.3° N, 87.5° W (Wright 2013)
• coordinate based on political unit
When: Cedar Creek Member (Brule Formation), Orellan (33.9 - 31.8 Ma)
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
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 17081: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Chris Bell and Terri Cleary
Creative Commons license: CC0 (CC0)
Taxonomic list
• includes Mellinger locality (UCM 78099)
Cedar Creek sequence is in the vicinity of Pawnee Buttes
Korth and Hageman 1988 believe that the entire Cedar Creek beds are of the same age as Orella D; however, Prothero 1996c shows that it spans at least one magnetic reversal and probably two
level indeterminate: Coloradoeumys galbreathi Martin 1980a: type "Hesperocyon" coloradensis Wang and Tedford 1996: type, UK Colorado 46, Cedar Creek Mbr., Logan Co. Parictis sp. Hunt 1998a: "Cedar Creek beds, Chimney Canyon, Logan County"
Cedar Creek sequence is in the vicinity of Pawnee Buttes
Korth and Hageman 1988 believe that the entire Cedar Creek beds are of the same age as Orella D; however, Prothero 1996c shows that it spans at least one magnetic reversal and probably two
level indeterminate: Coloradoeumys galbreathi Martin 1980a: type "Hesperocyon" coloradensis Wang and Tedford 1996: type, UK Colorado 46, Cedar Creek Mbr., Logan Co. Parictis sp. Hunt 1998a: "Cedar Creek beds, Chimney Canyon, Logan County"
Show authors, comments, and common names
| Reptilia | |
"Odontophorinae indet." = Odontophoridae8
"Odontophorinae indet." = Odontophoridae8 Gould 1844 New World quail "Cedar Creek facies... SW. 1/4 sec. 12, T. 11 N., R. 54 W.": placed in this fauna by Galbreath, who lists the specimen as "Phasianid sp."
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"Rhineura wilsoni n. sp." = Rhineura hatcherii7 Baur 1893 worm lizard KUVP No. 7651 (holotype), nearly complete skull lacking squamosal, quadrate, columella, extracolumella, and entire lower jaws
"Rhineura amblyceps n. sp." = Rhineura hatcherii7 Baur 1893 worm lizard KUVP No. 7649 (holotype), basal portion of skull. Same locality as H. galbreathi holotype, so placed here. Referred specimens: KUVP 7650, skull; KUVP 9041, fragmentary skull
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"Hyporhina galbreathi n. sp." = Hyporhina antiqua7
"Hyporhina galbreathi n. sp." = Hyporhina antiqua7 Baur 1893 worm lizard Holotype: "University of Kansas Museum of Natural History, Paleo. No. 8221, consisting of a skull, complete save for the absence of the quadrate and a part of the squamosal." Taylor 1951 gave the locality name "Clyde Ward Ranch, Logan County, Colorado;" Galbreath 1953 gave locality as SW1/4 sec. 12, T. 11N., R 54 W
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| Mammalia | |
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Sinclairella dakotensis3 Jepsen 1934 eutherian Mellinger locality; mentioned by West 1973c DUPLICATE REF 1239 or 1240
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Agnotocastor coloradensis n. sp.
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"Akmaiomys incohatus n. sp." = Apletotomeus incohatus, Heliscomys vetus
"Akmaiomys incohatus n. sp." = Apletotomeus incohatus Reeder 1960 rodent = Geomyoidea indet. ("? Proheteromys sp." DUPLICATE REF 2851 or 2852); = Apletotomeus incohatus (Korth and Branciforte 2007)
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"Paradjidaumo trilophus" = Adjidaumo trilophus, Adjidaumo minutus
"Paradjidaumo trilophus" = Adjidaumo trilophus Cope 1873 rodent
Adjidaumo minutus Cope 1873 rodent | |
"Prosciurus relictus" = Altasciurus relictus
"Prosciurus relictus" = Altasciurus relictus Cope 1873 mountain beaver | |
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Cedromus wardi Wilson 1949 squirrel | |
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Ischyromys typus Leidy 1856 rodent | |
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Megalagus turgidus Cope 1873 rabbit
Palaeolagus haydeni Leidy 1856 rabbit | |
Domnina gradata, "Heterosorex compressus" = Noritrimylus compressus
Domnina gradata Cope 1873 shrew | |
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"Metacodon magnus" = Centetodon magnus Clark 1936 placental | |
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"Pseudocynodictis gregarius" = Hesperocyon gregarius
"Pseudocynodictis gregarius" = Hesperocyon gregarius Cope 1873 canid additional Cedar Creek records of Wang 1994: "below Pawnee Quarry"; "3 mi north of Grover"; "6 mi east of Pawnee Pit"; "near Pawnee Buttes"; Clyde Ward Ranch; Jack Casement Ranch; Micro Locality; Beaver Locality; Deadman's Draw; Oscar Olander Ranch; KU-CO-004, 006, 008, 011, 014, 033, 038, 042, 046, 075
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Hyaenodon crucians Leidy 1853 placental
Hyaenodon mustelinus Scott 1894 placental | |
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Hyracodon sp. Leidy 1856 odd-toed ungulate | |
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Subhyracodon occidentalis Leidy 1850 rhinoceros | |
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Leptomeryx esulcatus Cope 1889 ruminant
Leptomeryx evansi Leidy 1853 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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Poebrotherium wilsoni, "Poebrotherium labiatum" = Paratylopus labiatus
Poebrotherium wilsoni Leidy 1847 camel
"Poebrotherium labiatum" = Paratylopus labiatus Cope 1881 camel | |
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"Peratherium fugax" = Herpetotherium fugax
"Peratherium fugax" = Herpetotherium fugax Cope 1873 marsupial | |
"Nanodelphys hunti" = Nanodelphys huntii1
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