Also known as Mailbox Prospect; UNSM Ap-125
Where: Antelope County, Nebraska (42.4° N, 98.1° W: paleocoordinates 42.7° N, 96.4° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Late/Upper Hemphillian (10.3 - 4.9 Ma)
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Collection methods: bulk, sieve
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: taxonomic analysis
PaleoDB collection 18247: authorized by John Alroy, entered by John Alroy on 05.08.1992
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Amphibia | |
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Reptilia | |
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Paleoheterodon tiheni3, Heterodon cf. platyrhinos3, Colubrinae indet.3, Lampropeltis triangulum3, Pituophis melanoleucus3, Elaphe cf. guttata3, Nerodia sp.3, Thamnophis sp.3
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Mammalia | |
Gomphotheriidae indet. Hay 1922 gomphothere | |
"Paenemarmota cf. nevadensis" = Marmota nevadensis, Spermophilus sp.
"Paenemarmota cf. nevadensis" = Marmota nevadensis Kellogg 1910 marmot
Spermophilus sp. Cuvier 1825 ground squirrel | |
Pliozapus cf. solus Wilson 1936 jumping mouse | |
Prosomys mimus Shotwell 1956 mouse
Neotoma cf. sawrockensis Hibbard 1967 pack rat
Onychomys cf. larabeei grasshopper mouse | |
Castor cf. californicus Kellogg 1911 beaver
Dipoides sp. Jaeger 1835 beaver | |
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Hypolagus vetus Kellogg 1910 rabbit | |
Ochotona cf. spanglei Shotwell 1956 pika | |
"Hesperoscalops sp." = Scalopus1
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? Paracryptotis sp. Hibbard 1950 red-toothed shrew
cf. Alluvisorex sp. Hutchison 1966 shrew | |
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Pliotaxidea nevadensis Butterworth 1916 badger | |
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Antilocapridae indet. Gray 1866 pronghorn | |
cf. Pediomeryx sp. Stirton 1936 ruminant | |
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Megatylopus cf. gigas, "Hemiauchenia cf. vera" = Pleiolama vera
Megatylopus cf. gigas Matthew and Cook 1909 camel
"Hemiauchenia cf. vera" = Pleiolama vera Matthew 1909 camel | |
Dinohippus cf. leidyanus Osborn 1918 horse
Nannippus sp. Matthew 1926 hipparionine horse | |
Tapirus sp. Brisson 1762 tapir | |
Teleoceras sp. Hatcher 1894 rhinoceros | |
Megalonyx cf. curvidens Matthew 1924 edentate |