Where: Fremont County, Wyoming (43.2° N, 108.2° W: paleocoordinates 44.0° N, 104.3° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Arikaree Formation, Hemingfordian (20.4 - 16.0 Ma)
Environment/lithology: eolian
Size class: macrofossils
Reposited in the UCMP
Primary reference: J. Munthe. 1988. Miocene mammals of the Split Rock area, Granite Mountains basin, central Wyoming. University of California Publications in Geological Sciences 126:1-136 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 19075: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Reptilia | |
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Mammalia | |
Mustelidae indet. Fischer 1817 mustelid carnivore
cf. Leptarctus sp. Leidy 1856 mustelid carnivore | |
Borophaginae indet.1, Cynarctoides acridens, "Tomarctus kelloggi" = Paracynarctus kelloggi, "Tomarctus optatus" = Protomarctus optatus
Cynarctoides acridens Barbour and Cook 1914 bone-crushing dog no specimens specifically tied to this locality by Wang et al. 1999
"Tomarctus kelloggi" = Paracynarctus kelloggi Merriam 1911 bone-crushing dog confirmed by Wang et al. 1999
"Tomarctus optatus" = Protomarctus optatus Matthew 1924 bone-crushing dog confirmed by Wang et al. 1999
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Protolabis cf. heterodontus Cope 1874 camel | |
Brachycrus rusticus Leidy 1870 oreodont | |
Merycodus cf. sabulonis Matthew and Cook 1909 pronghorn
Cosoryx (Paracosoryx) wilsoni Frick 1937 pronghorn | |
cf. Barbouromeryx sp. Frick 1937 ruminant | |
Limnoecus sp. Stirton 1930 shrew | |
Scalopini indet. Dobson 1883 mole | |
Mesoscalops scopelotemos Reed 1960 placental | |
Parvericius montanus Koerner 1940 hedgehog
Brachyerix macrotis Matthew 1933 hedgehog | |
Protospermophilus kelloggi Black 1963 squirrel
Miospermophilus wyomingensis Black 1963 squirrel | |
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Harrymys woodi Black 1961 rodent
Harrymys irvini Munthe 1988 rodent
Schizodontomys harkseni Macdonald 1970 rodent | |
"Plesiosminthus sabrae" = Schaubeumys sabrae
"Plesiosminthus sabrae" = Schaubeumys sabrae Black 1958 jumping mouse | |
"Mesogaulus novellus" = Galbreathia novellus, "Mesogaulus vetus" = Alphagaulus vetus
"Mesogaulus novellus" = Galbreathia novellus Matthew 1924 rodent | |
Oreolagus nebrascensis McGrew 1941 pika | |
? Desmatolagus schizopetrus Dawson 1965 rabbit |