Where: Sonora, Mexico (30.7° N, 112.6° W: paleocoordinates 14.6° N, 55.1° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Upper Member (Antimonio Formation), Rhaetian (208.5 - 201.3 Ma)
• early Rhaetian
• member-level stratigraphic resolution
Environment/lithology: marine; siltstone
Size class: macrofossils
Preservation: mold/impression
Primary reference: C. A. McRoberts. 1997. Late Triassic (Norian-Rhaetian) bivalves from the Antimonio Formation, northwestern Sonora, Mexico. Revista Mexicana de Ciencias Geológicas 14(2):167-177 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 39203: authorized by Martin Aberhan, entered by Sabine Nürnberg on 23.05.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Plantae indet. Haeckel 1866 | |
Bivalvia | |
Xiaoschuiculana tozeri n. sp.
Xiaoschuiculana tozeri n. sp. pointed nut clam | |
Pseudolimea sp. Douglas and Arkell 1932 file clam | |
Septocardia sp. Hall 1877 cockle | |
Cardinioides sp. Kobayashi and Ichikawa 1952 clam | |
Crinoidea | |
Pentacrinoidea indet. Jaekel 1918 Sea lily |