Where: New Mexico (31.6° N, 108.4° W: paleocoordinates 2.6° S, 41.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Kasimovian (307.0 - 303.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

Size class: microfossils

Collection methods: Repository: Mexico Museum of Natural History and Science, Albuquerque, New Mexico

Primary reference: S. G. Lucas, J. A. Spielmann, A. O. Ivanov, L. F. Rinehart, and K. Krainer. 2011. Petalodont chondrichthyan teeth from the Pennsylvanian-Permian Horquilla Formation, Big Hatchet Mountains, New Mexico. In R. M. Sullivan, S. G. Lucas, J. A. Spielmann (eds.), Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53:110-114 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149383: authorized by Matthew Clapham, entered by Matthew Clapham on 03.08.2013

Creative Commons license: CC BY (attribution)