Agate (3 Miles NE) ( of the United States)

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.3° N, 98.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Marsland Formation (Hemingford Group), Harrisonian (24.8 - 20.4 Ma)

• = Upper Harrison beds

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

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 17736: authorized by John Alroy, entered by John Alroy on 21.09.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Carnivora - Canidae
Desmocyon thomsoni Matthew 1907 bone-crushing dog
"15 ft above the contact with the lower Harrison"
 Ungulata - Moschidae
"Blastomeryx tantillus n. sp." = Pseudoblastomeryx advena
"Blastomeryx tantillus n. sp." = Pseudoblastomeryx advena Matthew 1907 musk deer