Also known as Estrato B

Where: Sonora, Mexico (28.6° N, 109.7° W: paleocoordinates 3.3° N, 46.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Santa Clara Formation (Barranca Group), Carnian (237.0 - 228.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology:

Size class: macrofossils

Collection methods: quarrying, surface (in situ), mechanical,

Primary reference: A. Zambrano Garcia and R. Weber. 1985. Nuevo ensayo de un panorama de la paleoecologia de comunidades de la tafoflora Santa Clara (Triasico Tardio, Sonora). III Congreso Latinoamericano de Paleontologia. Mexico. Simposio sobre Floras del Triasico Tardio, Su Fitogeografia y Paleoecologia. Memoria 153-163 [A. Rees/D. Sunderlin/S. Bruning]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 24024: authorized by Allister Rees, entered by Dave Sunderlin on 29.07.2002

Creative Commons license: CC BY (attribution)