CC-R1, Cerro Chino section 2 (Cretaceous of Mexico)

Where: Chihuahua, Mexico (29.6° N, 104.9° W: paleocoordinates 29.2° N, 60.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: La Peña Formation, Late/Upper Aptian (122.5 - 112.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified marl

Size class: macrofossils

Collection methods: Repository: IGM, Museo María del Carmen Perrilliat Montoya, Coleccion Nacional de Paleontología, Instituto de Geología, UNAM

Primary reference: J. R. Ovando-Figueroa, J. A. Moreno-Bedmar, K. P. Minor, M. Franco-Rubio, A. Oviedo, P. Patarroyo, and E. Robert. 2018. Ammonite taxonomy and biostratigraphy for the upper Aptian-lower Albian (Lower Cretaceous) of Cerro Chino, Chihuahua State, northeast Mexico. Cretaceous Research 82:109-137 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 189917: authorized by Matthew Clapham, entered by Matthew Clapham on 21.11.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida - Parahoplitidae
Quitmanites sp. Scott 1940 ammonite
Quitmanites ceratitosus Scott 1940 ammonite
Kazanskyella cf. spathi Stoyanow 1949 ammonite
Kazanskyella cf. minima Scott 1940 ammonite
Kazanskyella minima Scott 1940 ammonite
Immunitoceras sp. Stoyanow 1949 ammonite
 Ammonitida - Douvilleiceratidae
"Epicheloniceras sp." = Cheloniceras (Epicheloniceras) Casey 1954 ammonite
"Epicheloniceras tschernyschewi" = Cheloniceras (Epicheloniceras) tschernyschewi Sinzow 1906 ammonite