Where: Sonora, Mexico (30.7° N, 112.6° W: paleocoordinates 6.5° N, 47.4° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Lower Member (Antimonio Formation), Carnian (237.0 - 228.0 Ma)
• based on ammonites, Dilleri zone
• bed-level stratigraphic resolution
Environment/lithology: open shallow subtidal; red, calcareous mudstone
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 39173: authorized by Martin Aberhan, entered by Sabine Nürnberg on 23.05.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Calliconites cf. drakei Smith 1927 belemnite
Calliconites milleri n. sp. Doyle 1994 belemnite | |
Dictyoconites cf. reticulatum belemnite |