ammonites
banner
Gateway to the Paleobiology Database
Simojovel (Balumtum Sandstone) (Miocene of Mexico)

Also known as UCMP V99089

Where: Chiapas, Mexico (17.2° N, 92.6° W: paleocoordinates 17.8° N, 89.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Balumtum Sandstone Formation, Early/Lower Miocene (23.0 - 16.0 Ma)

• single specimen

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; conglomerate

• "amber-bearing beds"
• tightly cemented conglomerate

Size class: macrofossils

Collection methods: apparently the only vertebrate present

Primary reference: S. D. Webb, B. L. Beatty, and G. Poinar, Jr. 2003. New evidence of Miocene Protoceratidae including a new species from Chiapas, Mexico. Bulletin of the American Museum of Natural History 279:348-367 [J. Alroy/J. Alroy/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 35575: authorized by John Alroy, entered by John Alroy on 28.12.2003

Creative Commons license: CC BY (attribution)