Chimalhuacan-Atenco Capa V (locality 66-5) (Pleistocene of Mexico)

Also known as Tzocuilco

Where: Mexico, Mexico (19.4° N, 98.9° W: paleocoordinates 19.4° N, 98.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

• bed/horizon: Capa V

Environment/lithology: lacustrine; sandstone

• upper part is grey-green volcanic ash and clay with sand and pumice, lower part is dark grey weathered sand with pumice shards; average thickness 0.22 m; possibly represents the Becerra Fm.; underlies Capa IV

Size class: macrofossils

• "In layer IV an obsidian flake was obtained . . . and a small artifact of the same material in layer V."

Collection methods: quarrying

• Repository: Departamento de Prehistoria, Instituto Nacional de Antropología e Historia, Mexico D.F.

Primary reference: A. Garcia Cook. 1968. Chimalhuacan: Un artefacto asociado a megafauna. Publicaciones, Departamento de Prehistoria, Instituto Nacional de Antropologia e Historia 21:1-42 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 71320: authorized by John Alroy, entered by John Alroy on 16.02.1999, edited by Richard Hulbert and Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cingulata - Glyptodontidae
"Glyptotherium mexicanum" = Glyptotherium cylindricum
"Glyptotherium mexicanum" = Glyptotherium cylindricum Brown 1912 glyptodon
"Brachyostracon mexicanus"
 Proboscidea - Elephantidae
Mammuthus sp. Brookes 1828 mammoth
Aves
 Charadriiformes - Recurvirostridae
Recurvirostra americana Gmelin 1789 American avocet
 Podicipediformes - Podicipedidae
Podiceps parvus Schufeldt 1913 grebe
Aechmophorus occidentalis Lawrence 1858 western grebe
 Gruiformes - Rallidae
Fulica americana Gmelin 1789 American coot
 Anseriformes - Anatidae
Aythya affinis Eyton 1838 lesser scaup
 Phoenicopteriformes - Phoenicopteridae
Phoenicopterus copei Shufeldt 1891 flamingo