Miquihuana8-4 (Cretaceous of Mexico)
Where: Tamaulipas, Mexico (23.6° N, 99.8° W)
• Paleocoordinates: 19.5° N, 41.0° W (Wright 2013)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Valanginian (137.1 - 132.6 Ma)
• bed-level stratigraphic resolution
Environment/lithology: limestone and shale
• limestone, thin-bedded to shaly, lt. grey; marly and silty shales
Preservation: original calcite
Primary reference: R. W. Imlay. 1937. Lower Neocomian fossils from the Miquihuana region, Mexico. Journal of Paleontology 11(7):552-574 [M. Patzkowsky/K. Layou/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 2132: authorized by Mark Patzkowsky, entered by Karen Layou on 22.06.1999, edited by Austin Hendy
Creative Commons license: CC0 (CC0)
Taxonomic list
Show authors, comments, and common names
| Bivalvia | |
Exogyra reedi, "Exogyra putnami" = Aetostreon subsinuatum
Exogyra reedi Imlay 1937 oyster
"Exogyra putnami" = Aetostreon subsinuatum Leymerie 1842 oyster | |
| Cephalopoda | |
"Olcostephanus filifer" = Olcostephanus atherstoni
"Olcostephanus filifer" = Olcostephanus atherstoni Sharpe 1856 ammonite "R. filfer" - originally entered as "Rogersites aff. R. filfer"
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Thurmannites novihispanicus Imlay 1937 ammonite | |