Where: Sonora, Mexico (30.7° N, 112.6° W: paleocoordinates 12.0° N, 53.9° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Lower Member (Antimonio Formation), Norian (228.0 - 208.5 Ma)
• based on ammonites
• group of beds-level stratigraphic resolution
Environment/lithology: open shallow subtidal; gray limestone and fine-grained sandstone
Size class: macrofossils
Preservation: cast, mold/impression
Collection methods: bulk,
Primary reference: G. D. Stanley, Jr., C. Gonzalez-Leon, M. R. Sandy, B. Senowbari-Daryan, P. Doyle, M. Tamura, and D. H. Erwin. 1994. Upper Triassic invertebrates from the Antimonio Formation, Sonora, Mexico. The Paleontological Society Memoir 36:1-33 [M. Aberhan/S. Nurnberg/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 39171: authorized by Martin Aberhan, entered by Sabine Nürnberg on 23.05.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Alpinophyllia flexuosa Roniewicz 1989 stony coral | |
Retiophyllia norica Frech 1890 stony coral | |
Stromatoporoidea | |
Stromaporidium lamellatum n. sp.
Stromaporidium lamellatum n. sp. Stanley 1994 stromatoporoid sponge | |
Disjectoporidae | |
Pamiropora sonorensis Stanley 1994 |