Where: Sonora, Mexico (28.6° N, 110.2° W: paleocoordinates 3.6° N, 47.2° 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: R. Weber, R. Trjo-Cruz, A. Tores-Romo and A. Garcia-Padilla. 1980. Hipotesis de trabajo acerca de la paleoecologia de comunidades de la tafoflora Santa Clara del Triasico Tardio de Sonora. Univ. Nal. Auton. Mexico, Inst. Geologia, Revista 4(2):138-154 [A. Rees/D. Sunderlin/D. Sunderlin]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 24069: authorized by Allister Rees, entered by Dave Sunderlin on 29.07.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
| Pteropsida | |
|
Alethopteris whitneyi Newberry 1876 | |
| Polypodiopsida | |
|
? Cladophlebis sp. Brongniart 1849 | |
|
Asterotheca sp. Presl 1845 | |
|
Zamites cf. truncatus Zeiller 1903 | |
|
Desmiophyllum sp. Lesquereux 1878 | |
|
Elatocladus spp. Halle 1913 podocarp | |
| Cycadopsida | |
|
Taeniopteris elegans cycads | |
|
Ctenophyllum braunianum Göppert 1844 cycads | |
| Macrotaeniopteris | |
|
Macrotaeniopteris sp. Schimper 1869 | |
|
Pelourdea sp. Seward 1917 | |