San Lazaro Anticline5 (Cretaceous of Mexico)
Where: Nuevo Leon, Mexico (25.8° N, 99.6° W: paleocoordinates 23.3° N, 53.2° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Hauterivian (132.9 - 129.4 Ma)
• bed-level stratigraphic resolution
Environment/lithology: limestone
• interbedded fine-grained, blue, laminated limestone and argillaceous, finely laminated, grey-black limestone with phosphatic concretions
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 2135: authorized by Mark Patzkowsky, entered by Karen Layou on 22.06.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Cephalopoda | |
"Rogersites filifer" = Olcostephanus atherstoni, Valanginites sp.
"Rogersites filifer" = Olcostephanus atherstoni Sharpe 1856 ammonite
Valanginites sp. Sayn 1910 ammonite | |
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aff. Distoloceras parritense Imlay 1937 ammonite originally entered as "Distoloceras aff. D. parritense"
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