Where: Puebla, Mexico (18.2° N, 98.0° W: paleocoordinates 9.7° N, 47.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Tecomazuchil Formation, Middle Jurassic (174.7 - 161.5 Ma)
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 24681: authorized by Allister Rees, entered by Dave Sunderlin on 15.08.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Polypodiopsida | |
Piazopteris branneri White 1913 | |