El Piedral, Chinameca village, southern Veracruz, Chinameca Fm, Upper Tithon (Jurassic of Mexico)

Where: Mexico (18.1° N, 94.6° W: paleocoordinates 12.7° N, 46.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Chinameca Formation, Late/Upper Tithonian (150.8 - 145.0 Ma)

Environment/lithology: deep subtidal; brown limestone and chert

• The exposure is surrounded by the Upper Oligocene Dep6sito Formation.
• Light brown, laminated, and fossiliferous limestone in beds 20-40 cm in thickness

Size classes: macrofossils, mesofossils

Primary reference: A. Cantu-Chapa. 2006. New Upper Tithonian (Jurassic) Ammonites from the Chinameca Fomation in South Veracruz, Eastern Mexico. Journal of Paleontology 80(2):294-308 [W. Kiessling/M. Krause/D. Mertz]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 142314: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 08.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Olcostephanidae
Olcostephanidae indet. Haug 1910 ammonite
 Ammonitida - Platylenticeratidae
Eopaquiericeras peraltai Cantu-Chapa 2006 ammonite
Eopaquiericeras pazi Cantu-Chapa 2006 ammonite
 Ammonitida - Aspidoceratidae
Chinamecaceras maldonadoi Cantu-Chapa 2006 ammonite
 Ammonitida - Himalayitidae
Durangites aff. zigzagcostatus Cantu-Chapa 2006 ammonite
Durangites zigzagcostatus Cantu-Chapa 2006 ammonite
 Ammonitida - Simoceratidae
Veracruciceras sp. Cantu-Chapa 2006 ammonite
Veracruciceras ruizi Cantu-Chapa 2006 ammonite
 Ammonitida - Neocomitidae
Andiceras monserrati Aguilera 1895 ammonite
Kossmatia "sp. B" Uhlig 1907 ammonite
Kossmatia "sp. A" Uhlig 1907 ammonite
Kossmatia purisima Verma and Westermann 1973 ammonite
Kossmatia cf. bifurcata Aguilera 1895 ammonite
 Ammonitida - Haploceratidae
Haploceras sp. Zittel 1870 ammonite
 Ammonitida - Oppeliidae
Salinites inflatum Imlay 1939 ammonite
Glochiceras sp. Hyatt 1900 ammonite