Where: Oaxaca, Mexico (17.8° N, 98.1° W: paleocoordinates 9.4° N, 48.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Tecomazuchil Formation, Middle Jurassic (174.7 - 161.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: silty sandstone

Size class: macrofossils

Preservation: mold/impression, adpression

Collection methods: surface (in situ),

Primary reference: A. Silva-Pineda. 1978. Plantas del Jurasico Medio del sur de Puebla y noroeste de Oaxaca. Universidad Nacional Autonoma de Mexico, Instituto de Geologia, Paleontologia Mexicana 44(3):27-56 [A. Rees/D. Sunderlin/D. Sunderlin]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24679: authorized by Allister Rees, entered by Dave Sunderlin on 15.08.2002

Creative Commons license: CC BY (attribution)