6 km north of Temalac (Cretaceous of Mexico)

Where: Guerrero, Mexico (18.2° N, 99.0° W: paleocoordinates 24.4° N, 80.4° W)

When: Mexcala Formation, Maastrichtian (72.1 - 66.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; brown shale

• fine grained, ochre-coloured clastics,

Size class: macrofossils

Collected by R. Cozatl & S. Kiel in 1998

• They are deposited in the Paleontological Collection of the Instituto de Geologia, UNAM. This

Primary reference: S. Kiel and M. d. C. Perrilliat. 2001. New gastropods from the Maastrichtian of the Mexcala Formation in Guerrero, southern Mexico, part 1: Stromboidea. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 222(3):407-426 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 177609: authorized by Pete Wagner, entered by Pete Wagner on 06.04.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Sorbeoconcha - Aporrhaidae
Lispodesthes lilipus n. sp., Torgnellus sp., Anchura denticulata n. sp., Pterocerella sp., Mexopus mexicanus n. gen. n. sp., Mexopus robustus n. sp.
Torgnellus sp. Olsson 1934 snail
Anchura denticulata n. sp. snail
Pterocerella sp. Meek 1864 snail
Mexopus mexicanus n. gen. n. sp. snail
Mexopus robustus n. sp. snail
 Sorbeoconcha - Rostellariidae
"Calyptraphorus binodiferus" = Eocalyptraphorus binodiferus
"Calyptraphorus binodiferus" = Eocalyptraphorus binodiferus Perrilliat and Vega 1997 snail
 Sorbeoconcha - Strombidae
Rimella mexcala n. sp.
Rimella mexcala n. sp. true conch
 Sorbeoconcha - Xenophoridae
Acanthoxenophora sinuosa
Acanthoxenophora sinuosa Perrilliat and Vega 2001 carrier shell