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
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 | |
Sphenodiscus sp. Meek 1871 ammonite | |
Eutrephoceras sp. Hyatt 1894 | |
Gastropoda | |
Turritella vertibroides turret shell | |
Bivalvia | |
Ethmocardium sp. White 1880 cockle | |
Inoceramus vanuxemi clam | |
Chondrichthyes | |
Serratolamna serrata Agassiz 1838 mackerel shark | |
| |
Reptilia | |
Dinosauria indet. dinosaur |