Where: Oaxaca, Mexico (17.8° N, 98.2° W: paleocoordinates 3.3° N, 47.9° W)

• coordinate estimated from map

• local area-level geographic resolution

When: lower Member (Rosario Formation), Early/Lower Jurassic (201.4 - 174.7 Ma)

• covered by the Conglomerado Cualac and the Zorillo Formation

• member-level stratigraphic resolution

Environment/lithology: gray, silty sandstone and black, carbonaceous shale

Size class: macrofossils

Collection methods: Originally published in Erben, 1956b, p. 21

Primary reference: A. Silva-Pineda. 1978. Paleobotanica del Jurasico de Mexico. Universidad Nacional Autonoma de Mexico. Instituto de Geologia, Paleontologia Mexicana 44:1-16 [A. Rees/D. Sunderlin/D. Sunderlin]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 24724: authorized by Allister Rees, entered by Dave Sunderlin on 19.08.2002

Creative Commons license: CC BY (attribution)