Concha (CH-17) ( of Mexico)

Where: Chihuahua, Mexico (28.9° N, 108.0° W: paleocoordinates 29.0° N, 107.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Blancan (4.9 - 1.8 Ma)

Environment/lithology: terrestrial

Primary reference: E. H. Lindsay and L. L. Jacobs. 1985. Pliocene small mammal fossils from Chihuahua, Mexico. Paleontologia Mexicana 51:1-53 [J. Alroy/J. Alroy/J. Alroy]more details

PaleoDB collection 20071: authorized by John Alroy, entered by John Alroy on 12.04.1997

Creative Commons license: CC BY (attribution)

Taxonomic list

• overlies Yepomera and other Concha sites
not possible to compute NISP because specimens are lumped with Yepomera material
replaces preliminary "Concha" list of Lindsay 1984
"Prosigmodon oroscoi" is listed but not described
Mammalia
 Rodentia - Cricetidae
Pliophenacomys wilsoni Lindsay and Jacobs 1985 mouse
Prosigmodon chihuahuensis n. sp. Lindsay and Jacobs 1985 mouse
 Rodentia - Geomyidae
Nerterogeomys minor Gidley 1922 pocket gopher
 Theriamorpha - Soricidae
Notiosorex repenningi Lindsay and Jacobs 1985 gray shrew
listed by Lindsay 1984 as "N. sp."