Also known as Crucero: Estrato A
Where: Sonora, Mexico (28.6° N, 109.4° W: paleocoordinates 3.1° N, 46.6° 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 24036: authorized by Allister Rees, entered by Dave Sunderlin on 29.07.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cynepteris | |
|
Cynepteris sp. Ash 1969 | |
| Polypodiopsida | |
? Pterophyllum sp., Zamites sp., Zamites fragilis, Zamites ex gr. fragilis, Zamites cf. truncatus, Williamsonia sp.
? Pterophyllum sp. Brongniart 1828
Zamites sp. Brongniart 1828
Zamites cf. truncatus Zeiller 1903
Williamsonia sp. Carruthers 1870 | |
|
Elatocladus carolinensis podocarp
Elatocladus sp. Halle 1913 podocarp
Elatocladus ex gr. carolinensis podocarp | |
| Cycadopsida | |
|
Ctenophyllum braunianum Göppert 1844 cycads | |
|
Taeniopteris elegans cycads | |
| Macrotaeniopteris | |
|
Macrotaeniopteris sp. Schimper 1869 | |