Hemingford Quarry 7B (Miocene of the United States)

Also known as UNSM Bx-7B

Where: Box Butte County, Nebraska (42.2° N, 103.1° W: paleocoordinates 42.9° N, 99.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Runningwater Formation, Hemingfordian (20.4 - 16.0 Ma)

Environment/lithology: terrestrial

Reposited in the UNSM

Primary reference: X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy]more details

PaleoDB collection 17934: authorized by John Alroy, entered by John Alroy on 19.05.2000, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Anchitheriomyinae indet.1
said to be new
 Rodentia -
Geomyoidea indet.4 Bonaparte 1845 rodent
 Rodentia - Florentiamyidae
Fanimus ultimus n. sp.4 Korth et al. 1990 rodent
Florentiamys sp.4 Wood 1936 rodent
presumably OK, but omitted by Bailey 2004
 Rodentia - Castoridae
Euroxenomys wilsoni1 Korth 2001 beaver
Anchitheriomys sp.1 Roger 1885 beaver
said to be new
Monosaulax sp.1 Stirton 1935 beaver
said to be new
 Rodentia - Mylagaulidae
Mesogaulus paniensis1 Matthew 1902 rodent
 Lagomorpha - Leporidae
Archaeolagus sp.1 Dice 1917 rabbit
 Lagomorpha - Ochotonidae
Oreolagus nebrascensis1 McGrew 1941 pika
Gripholagomys lavocati1 Green 1972 pika
 Lipotyphla - Talpidae
Scalopoides isodens1 Wilson 1960 mole
 Tribosphenida - Soricidae
Pseudotrimylus sp.1 Gureev 1971 shrew
 Tribosphenida - Proscalopidae
Mesoscalops scopelotemos1 Reed 1960 placental
 Carnivora - Amphicyonidae
Amphicyon galushai2 Hunt 2003 bear-dog
Daphoenodon (Borocyon) robustum3 Peterson 1910 bear-dog
 Carnivora - Canidae
Leptocyon vulpinus7 Matthew 1907 canine
Metatomarctus canavus Simpson 1932 bone-crushing dog
Cynarctoides emryi n. sp. Wang et al. 1999 bone-crushing dog
Cynarctoides acridens Barbour and Cook 1914 bone-crushing dog
 Ungulata - Merycoidodontidae
Merychyus elegans6 Leidy 1858 oreodont
Merycochoerus proprius5 Leidy 1858 oreodont
sensu stricto