Chacamax River (Oligocene of Mexico)

Where: Chiapas, Mexico (17.5° N, 92.0° W: paleocoordinates 18.0° N, 87.2° W)

• coordinate estimated from map

When: Chattian (28.1 - 23.0 Ma)

• upper Oligocene

•Domning et al. 1982 suggest this collection might be Eocene

Environment/lithology: marine; limestone

Size class: macrofossils

Primary reference: M. Maldonado-Koerdell. 1953. Segundo hallazgo de sirenidos fosiles en Mexico. Ciencia 13(7-8):146-148 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 134766: authorized by Mark Uhen, entered by Mark Uhen on 16.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Sirenia -
Sirenia indet. Illiger 1811 sirenian