Los Pocitos (Oligocene of Mexico)

Also known as Simojovel

Where: Chiapas, Mexico (17.1° N, 92.7° W: paleocoordinates 17.7° N, 88.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Simojovel-El Bosque Area Unit C Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)

• "unnamed formation.. upper part of the Globigerina opima opima Range Zone and the lower part of the G. ciperoensis ciperoensis Interval Zone... i.e., in the early late Oligocene"

•"upper sandstone member of Unit C" (Ferrusquía-Villafranca 2006)

• bed-level stratigraphic resolution

Environment/lithology: lagoonal; black siltstone

• "estuarine to swampy lagoonal environment" (repeated by Ferrusquía-Villafranca 2006)
• "dark gray to black, organic matter-rich, fine-grained, very fossiliferous, shaly phyllarenitic sandstone to mudstone"

Size class: macrofossils

Collection methods: one mammal specimen only

Primary reference: I. Ferrusquia. 2003. The first Paleogene mammal record of Middle America: Helohyidae new gen. and sp. Journal of Vertebrate Paleontology 23(3):49A-50A [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 35366: authorized by John Alroy, entered by John Alroy on 07.12.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

 Artiodactyla - Tayassuidae
Simojovelhyus pocitosense n. gen. n. sp. Ferrusquía-Villafranca 2006 peccary
said to be a new genus