Cerro de los Dinosaurios, 15 Quarry (Cretaceous of Mexico)

Also known as Quarry 15

Where: Coahuila, Mexico (25.5° N, 101.4° W: paleocoordinates 31.6° N, 76.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Cerro del Pueblo Formation (Difunta Group), Late/Upper Campanian (83.5 - 70.6 Ma)

• 120 m from base of formation

• bed-level stratigraphic resolution

Environment/lithology: marine; concretionary, sideritic shale

• "shallow open marine conditions"
• "marine shale"

Size classes: macrofossils, mesofossils

Preservation: concretion

Collected by M. C. Aguillón-Martínez in 1994

Collection methods: surface (in situ),

Primary reference: J. I. Kirkland and M. C. Aguillón-Martínez. 2002. Schizorhiza: a unique sawfish paradigm from the Difunta Group, Coahuila, Mexico. Revista Mexicana de Ciencias Geológicas 19(1):16-24 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 79607: authorized by Matthew Carrano, entered by Matthew Carrano on 14.03.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871 ammonite
 Nautilida - Nautilidae
Eutrephoceras sp. Hyatt 1894
Gastropoda
 Cerithioidea - Turritellidae
Bivalvia
 Cardiida - Cardiidae
Ethmocardium sp. White 1880 cockle
 Myalinida - Inoceramidae
Chondrichthyes
 Lamniformes - Serratolamnidae
Serratolamna serrata Agassiz 1838 mackerel shark
 Rajiformes - Sclerorhynchidae
Schizorhiza stromeri Weiler 1930 ray
SEPCPV-1/303
Reptilia
 Dinosauria -