PBDB Collection

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, Early/Lower Hemingfordian (20.4 - 16.0 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

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

Purpose of describing collection: taxonomic analysis

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

Show authors, comments, and common names

Mammalia
Rodentia - Florentiamyidae	Fanimus ultimus n. sp.⁴, Florentiamys sp.⁴ 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	Anchitheriomyinae indet.¹, Monosaulax sp.¹, Anchitheriomys sp.¹, Euroxenomys wilsoni¹ Anchitheriomyinae indet.¹ Korth 2001 beaver said to be new Monosaulax sp.¹ Stirton 1935 beaver said to be new Anchitheriomys sp.¹ Roger 1885 beaver said to be new Euroxenomys wilsoni¹ Korth 2001 beaver
Rodentia -	Geomyoidea indet.⁴ Geomyoidea indet.⁴ Bonaparte 1845 rodent
Rodentia - Mylagaulidae	Mesogaulus paniensis¹ Mesogaulus paniensis¹ Matthew 1902 rodent
Lagomorpha - Leporidae	Archaeolagus sp.¹ Archaeolagus sp.¹ Dice 1917 rabbit
Lagomorpha - Ochotonidae	Oreolagus nebrascensis¹, Gripholagomys lavocati¹ Oreolagus nebrascensis¹ McGrew 1941 pika Gripholagomys lavocati¹ Green 1972 pika
Theriamorpha - Talpidae	Scalopoides isodens¹ Scalopoides isodens¹ Wilson 1960 mole
Theriamorpha - Proscalopidae	Mesoscalops scopelotemos¹ Mesoscalops scopelotemos¹ Reed 1960 placental
Theriamorpha - Soricidae	Pseudotrimylus sp.¹ Pseudotrimylus sp.¹ Gureev 1971 shrew
Carnivora - Amphicyonidae	Amphicyon galushai², Daphoenodon (Borocyon) robustum³ Amphicyon galushai² Hunt 2003 bear-dog Daphoenodon (Borocyon) robustum³ Peterson 1910 bear-dog
Carnivora - Canidae	Leptocyon vulpinus⁷, Metatomarctus canavus, Cynarctoides emryi n. sp., Cynarctoides acridens 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
Artiodactyla - Merycoidodontidae	Merycochoerus proprius⁵, Merychyus elegans⁶ Merycochoerus proprius⁵ Leidy 1858 oreodont sensu stricto Merychyus elegans⁶ Leidy 1858 oreodont

¹Bailey 2004; ²Hunt 2003; ³Hunt 2009; ⁴Korth et al. 1990; ⁵Schultz and Falkenbach 1940; ⁶Schultz and Falkenbach 1947; ⁷Tedford et al. 2009