Concha (CH-13) ( 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 20069: authorized by John Alroy, entered by John Alroy on 12.04.1997

Creative Commons license: CC BY (attribution)

Taxonomic list

• overlies Yepomera
not possible to compute NISP because specimens are lumped with Yepomera material
replaces preliminary "Concha" list of Lindsay 1984
status unclear: Notolagus sp. - listed by Lindsay 1984, but neither listed nor described by Lindsay and Jacobs 1985 ? Equus sp., listed as "Dinohippus or Equus" by Lindsay 1984 - exactly locality not stated
Mammalia
 Rodentia - Cricetidae
Pliophenacomys wilsoni n. sp. Lindsay and Jacobs 1985 mouse
Prosigmodon oroscoi Jacobs and Lindsay 1981 mouse
Baiomys kolbi Hibbard 1952 pygmy mouse
"Bensonomys elachys" = Calomys (Bensonomys) elachys Lindsay and Jacobs 1985 mouse
"Bensonomys baskini" = Calomys (Bensonomys) baskini Lindsay and Jacobs 1985 mouse
 Rodentia - Geomyidae
Nerterogeomys minor Gidley 1922 pocket gopher
 Rodentia - Heteromyidae
Prodipodomys sp. Hibbard 1939 rodent
described but omitted from list