Where: Zacatecas, Mexico (22.5° N, 101.5° W: paleocoordinates 22.2° N, 69.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Early/Lower Cenomanian (99.6 - 93.5 Ma)
• STRATIGRAPHIC RELATIONS: From unnamed lithostratigraphic unit. AGE: Vraconian (=Late Albian), on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within section.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified lithology not reported
Size class: macrofossils
Preservation: cast, mold/impression
Collected by Bose
Collection methods: surface (in situ),
• COLLECTOR: Böse. REPOSITORY: Museo de Paleontologia del Instituto de Geologia.
Primary reference: E. Böse. 1923. Algunas faunas cretácias de Zacatecas, Durango y Guerrero. Boletín del Instituto Géologica de México 42:1-219 [A. Hendy/A. Hendy/L. Bulot]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 87607: authorized by Austin Hendy, entered by Austin Hendy on 20.03.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Phylloceras velledae" = Phylloceras (Hypophylloceras) velledae
"Phylloceras velledae" = Phylloceras (Hypophylloceras) velledae Michelin 1834 ammonite | |
"Schloenbachia cf. inflata" = Mortoniceras (Mortoniceras) inflatum, "Schloenbachia aguilerae" = Goodhallites aguilerae
"Schloenbachia cf. inflata" = Mortoniceras (Mortoniceras) inflatum Sowerby 1818 ammonite
"Schloenbachia aguilerae" = Goodhallites aguilerae Böse 1923 ammonite | |
"Acanthoceras camachoense n. sp." = Mantelliceras camachoense
"Acanthoceras camachoense n. sp." = Mantelliceras camachoense Böse 1923 ammonite | |
"Acanthoceras cf. lyelli" = Lyelliceras lyelli
"Acanthoceras cf. lyelli" = Lyelliceras lyelli d'Orbigny 1841 ammonite | |
Desmoceras aff. austeni ammonite | |
"Crioceras sp." = Crioceratites, "Toxoceras sp." = Crioceratites
"Crioceras sp." = Crioceratites Leveillé 1837 ammonite
"Toxoceras sp." = Crioceratites Leveillé 1837 ammonite | |
Schloenbachia cf. utaturensis ammonite | |
Litoceras (Tetragonites) zacatecanum Böse 1923 ammonite | |
"Turrilites camachoensis" = Mariella (Mariella) camachoensis, Turrilites carrancoi, Turrilites scheuchzeri, Turrilites sp., "Turrilites aff. acutus" = Turrilites (Turrilites) acutus, "Turrilites cf. wiestii" = Turrilites (Turrilites) acutus, Turrilites multipunctatus, Turrilites scheuchzerianus
"Turrilites camachoensis" = Mariella (Mariella) camachoensis Bose 1923 ammonite
Turrilites sp. Lamarck 1801 ammonite
"Turrilites aff. acutus" = Turrilites (Turrilites) acutus Passy 1832 ammonite
"Turrilites cf. wiestii" = Turrilites (Turrilites) acutus Passy 1832 ammonite | |
Hamites aff. attenuatus, Hamites carrancoi, Hamites cf. venetzianus, Hamites aff. intermedius, "Hamites aff. charpentieri" = Hamites (Hamites) charpentieri
Hamites aff. attenuatus Sowerby 1814 ammonite
Hamites carrancoi Böse 1923 ammonite
Hamites cf. venetzianus Pictet 1847 ammonite
Hamites aff. intermedius Sowerby 1814 ammonite
"Hamites aff. charpentieri" = Hamites (Hamites) charpentieri Pictet and Roux 1847 ammonite | |
"Baculites aff. baculoides" = Sciponoceras baculoides, "Baculites cf. gaudini" = Lechites (Lechites) gaudini
"Baculites aff. baculoides" = Sciponoceras baculoides Mantell 1822 ammonite
"Baculites cf. gaudini" = Lechites (Lechites) gaudini Pictet and Campiche 1861 ammonite | |
Anisoceras neohispanicum ammonite
Anisoceras cf. armatum Sowerby 1817 ammonite | |
Scaphites aff. aequalis, "Scaphites cf. hugardianus" = Scaphites (Scaphites) hugardianus
Scaphites aff. aequalis ammonite
"Scaphites cf. hugardianus" = Scaphites (Scaphites) hugardianus d'Orbigny 1842 ammonite | |
Ancyloceras sp. d'Orbigny 1842 ammonite
Ancyloceras zacatecanum ammonite
Ancyloceras camachoense ammonite | |
Ptychoceras gracillimum ammonite
Diptychoceras mazapilense ammonite | |
Hamulina sp. ammonite | |
Macroscaphites sp. Meek 1876 ammonite |