Arroyo de la Pasta, Esperanzas [Taylor Marl] (Cretaceous of Mexico)

Where: Coahuila de Zaragoza, Mexico (27.7° N, 101.3° W: paleocoordinates 33.7° N, 74.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Taylor Marl Formation, Campanian (83.6 - 72.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified marl

• SPECIFIC LITHOLOGY: Marl. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: mold/impression

Collected by Bose; reposited in the UCMP

Collection methods: surface (in situ),

• COLLECTOR: Not stated, but presumably E. Böse. REPOSITORY: University of California, Berkeley.

Primary reference: E. Böse. 1928. Cretaceous ammonites from Texas and northern Mexico. University of Texas Bulletin 2748:143-357 [A. Hendy/A. Hendy/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88229: authorized by Austin Hendy, entered by Austin Hendy on 04.04.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for bivalves and ammonoids. NOMENCLATURE: Authoritative publication with somewhat antiquated nomenclature, but with species-resolution identifications.
Anthozoa
 Scleractinia - Micrabaciidae
"Micrabacia cribraria" = Stephanophyllia cribraria
"Micrabacia cribraria" = Stephanophyllia cribraria Stephenson 1916 stony coral
Bivalvia
 Ostreida - Gryphaeidae
 Ostreida - Ostreidae
 Cardiida - Veneridae
Cyprimeria sp. Conrad 1864 venus clam
Gastropoda
 Sorbeoconcha - Aporrhaidae
 Neogastropoda - Pholidotomidae
Cephalopoda
 Ammonitida - Placenticeratidae
Placenticeras syrtale Morton 1834 ammonite