Cambridge (Neogene of the United States)

Also known as Amebelodon fricki Quarry; UNSM Ft-40

Where: Frontier County, Nebraska (40.5° N, 100.5° W: paleocoordinates 40.8° N, 98.8° W)

• coordinate based on political unit

When: Ash Hollow Formation (Ogallala Group), Hemphillian (10.3 - 4.9 Ma)

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: M. R. Voorhies. 1990. Vertebrate biostratigraphy of the Ogallala Group in Nebraska. In T. C. Gustavson (ed.), Geologic Framework and Regional Hydrology: Upper Cenozoic Blackwater Draw and Ogallala Formations, Great Plains 115-151 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18086: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• NOT clearly superposed above or below any other locality, contrary to Tedford et al. 1987 Fig. 6.2

•Florida school equid i.d.s are retained because Voorhies' nomenclature differs for philosophical reasons only

 Rodentia - Cricetidae
Copemys sp. Wood 1936 mouse
Goniodontomys disjunctus Wilson 1937 mouse
 Rodentia - Sciuridae
Spermophilus sp. Cuvier 1825 ground squirrel
 Rodentia - Geomyidae
Pliosaccomys sp. Wilson 1936 pocket gopher
 Rodentia - Castoridae
Dipoides williamsi5 Stirton 1936 beaver
Dipoides stirtoni Wilson 1934 beaver
 Rodentia - Mylagaulidae
Mylagaulus cambridgensis n. sp. Korth 2000 rodent
 Lagomorpha - Leporidae
 Lipotyphla - Talpidae
 Perissodactyla - Rhinocerotidae
"Teleoceras schultzi n. sp." = Teleoceras hicksi, Aphelops mutilus
"Teleoceras schultzi n. sp." = Teleoceras hicksi Cook 1927 rhinoceros
Aphelops mutilus Matthew 1924 rhinoceros
presumably includes type of A. kimballensis Tanner 1967
 Perissodactyla - Tapiridae
Tapirus simpsoni Schultz et al. 1975 tapir
 Perissodactyla - Equidae
Hipparionini indet.1 Quinn 1955 hipparionine horse
Nannippus lenticularis4 Cope 1893 hipparionine horse
Neohipparion leptode2 Merriam 1915 hipparionine horse
Dinohippus leidyanus5 Osborn 1918 horse
Protohippus gidleyi3 Hulbert 1988 horse
Calippus "large" Matthew and Stirton 1930 horse
said to be new; this is the large species of Breyer 1981
 Tribosphenida - Plesiosoricidae
Plesiosorex sp.1 Pomel 1848 placental
 Tribosphenida - Soricidae
Sorex cf. edwardsi, "Anouroneomys magnus" = Crusafontina magna
Sorex cf. edwardsi Brown 1980 long-tailed shrew
"Anouroneomys magnus" = Crusafontina magna Hutchison and Bown 1980 red-toothed shrew
 Carnivora - Ursidae
Indarctos oregonensis Merriam et al. 1916 bear
includes type of "Indarctos oregonensis keithi": replaces ID of Schultz and Martin 1975b
 Carnivora - Barbourofelidae
Barbourofelis fricki Schultz et al. 1970 carnivoran
 Carnivora - Mustelidae
Martes sp. Frisch 1775 marten
"sensu lato"
Sthenictis sp. Peterson 1910 mustelid carnivore
 Carnivora - Canidae
Vulpes stenognathus6 Savage 1941 fox
Epicyon haydeni1 Leidy 1858 bone-crushing dog
Borophagus sp.7 Cope 1892 bone-crushing dog
possibly B. orc; "Osteoborus sp."
 Carnivora - Felidae
Nimravides sp. Kitts 1958 cat
presumably = Machairodus coloradensis of Martin and Schultz 1975
 Xenarthra - Megalonychidae
Pliometanastes sp. Hirschfeld and Webb 1968 edentate
 Xenarthra - Mylodontidae
Thinobadistes sp. Hay 1919 edentate
not discussed by Webb 1989
 Proboscidea - Gomphotheriidae
Amebelodon fricki n. sp. Barbour 1927 gomphothere
UNL No. 4-4-27; see Barbour 1927; apparently includes A. sinclairi type of Barbour 1930, although this is a synonym of A. floridanus
 Ungulata - Tayassuidae
Prosthennops serus Cope 1877 peccary
includes type of "P. graffhami" of Schultz and Martin 1975a
 Ungulata - Camelidae
Megatylopus sp., "Hemiauchenia cf. vera" = Pleiolama vera, Alforjas sp.
Megatylopus sp. Matthew and Cook 1909 camel
"Hemiauchenia cf. vera" = Pleiolama vera Matthew 1909 camel
Alforjas sp. Harrison 1979 camel
 Ungulata - Gelocidae
Pseudoceras skinneri8 Frick 1937 ruminant
 Ungulata - Palaeomerycidae
"Pediomeryx figginsi" = Yumaceras figginsi
"Pediomeryx figginsi" = Yumaceras figginsi Frick 1937 ruminant
 Ungulata - Antilocapridae
Texoceros guymonensis5 Frick 1937 pronghorn
Sphenophalos middleswarti5 Barbour and Schultz 1941 pronghorn