Also known as La Popa Basin
Where: Nuevo León, Mexico (26.1° N, 100.7° W: paleocoordinates 20.8° N, 50.1° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Early/Lower Kimmeridgian (155.7 - 150.8 Ma)
• "early Kimmeridgian"
Environment/lithology: lagoonal or restricted shallow subtidal; lithified, shelly/skeletal lime mudstone
Size class: macrofossils
Collection methods: IGM collection
Primary reference: F. J. Vega and T. F. Lawton. 2011. Upper Jurassic (Lower Kimmeridgian-Olvido) carbonate strata from the La Popa Basin diapirs, NE Mexico. Boletín de la Sociedad Geológica Mexicana 63(2):313-321 [J. Alroy/J. Alroy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 114687: authorized by John Alroy, entered by John Alroy on 20.08.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Myophorella sp. Bayle 1878 clam | |
Cercomya durangensis clam | |
? Eocallista sp. Douvillé 1921 clam | |
Grammatodon sp. Meek and Hayden 1860 clam | |
Nanogyra virgula Deshayes 1831 oyster | |
Rastellum sp. Faujas-St.-Fond 1799 oyster | |
Cephalopoda | |
? Cymatoceras sp. Hyatt 1884 nautiloid |