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 - 113.0 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
Cephalopoda | |
Kazanskyella cf. minima, Kazanskyella minima, Kazanskyella cf. spathi, Quitmanites sp., Quitmanites ceratitosus
Kazanskyella cf. minima Scott 1940 ammonite
Kazanskyella minima Scott 1940 ammonite
Kazanskyella cf. spathi Stoyanow 1949 ammonite
Quitmanites sp. Scott 1940 ammonite
Quitmanites ceratitosus Scott 1940 ammonite | |
Epicheloniceras sp., "Epicheloniceras tschernyschewi" = Cheloniceras (Epicheloniceras) tschernyschewi, Eodouvilleiceras "sp. 1"
Epicheloniceras sp. Casey 1954 ammonite
"Epicheloniceras tschernyschewi" = Cheloniceras (Epicheloniceras) tschernyschewi Sinzow 1906 ammonite
Eodouvilleiceras "sp. 1" ammonite | |
Immunitoceras sp. Stoyanow 1949 ammonite |