Salitral La Amarga (Cretaceous of Argentina)

Where: La Pampa, Argentina (36.6° S, 68.2° W: paleocoordinates 38.9° S, 55.9° W)

• outcrop-level geographic resolution

When: nannozone CC26 zone, Jaguel Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• from "a bed of mudstones"

• bed-level stratigraphic resolution

Environment/lithology: marine; wackestone

• formation is "marine pelites"

lithology said to be "mudstones" in text but illustrated as wackestone in section

• wackestone

Primary reference: R. M. Feldmann, S. Casadio, L. Chirino-Galvez and M. Aguirre-Urreta. 1995. Fossil decapod crustaceans from the Jaguel and Roca Formations (Maastrichtian-Danian) of the Neuquen Basin, Argentina. Journal of Paleontology 69(5 II):1-22 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 5167: authorized by John Alroy, entered by John Alroy on 01.09.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• nannoplankton mentioned but not described
Malacostraca
 Decapoda - Callianassidae
Callianassa burckhardi decapod
definitely not the same as the following
 Decapoda - Tumidocarcinidae
Lobonotus sp. Milne-Edwards 1863 crab
mentioned in list but not described
Bivalvia
 Pectinida - Pectinoidae
Camptonectes sp. Meek 1864 scallop
 Ostreida - Arctostreidae
 Hiatellida - Hiatellidae
 Trigoniida - Megatrigonioidae
 Trigoniida - Trigoniidae
Cephalopoda
 Ammonitida - Baculitidae
Baculites sp. Lamarck 1799 ammonite