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Santa Clara Formation (Triassic of Mexico)

Where: Sonora, Mexico (28.6° N, 109.7° W: paleocoordinates 3.3° N, 46.9° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Santa Clara Formation (Barranca Group), Carnian (235.0 - 221.5 Ma)

• 37 beds collected

• formation-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine

• The Santa Clara Formation is consistes of a sequence of fluvial and lacustrine sediments with occasional coastal and marine influence. Described better in (Potter and Cojan, 1985; Vassallo, 1985)

Size class: macrofossils

Preservation: mold/impression, adpression

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

• This entry summarizes the 37 Zambrano-Garcia and Weber entries from this paper. Some overlap of entries with Weber et al. (1980)

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 24092: authorized by Allister Rees, entered by Dave Sunderlin on 30.07.2002

Creative Commons license: CC BY (attribution)