BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems

Mendoza - Chachao, Malargüe Department, Mendoza Province, Argentina

Group	Mendoza
Formation	Chachao
Age:	140 - 136 Ma Early/Lower Cretaceous
Interval	Early Valanginian
Tectonic Setting	Back-arc basin
Lithology	packstone, wackestone, wackestone/packstone, "carbonate"
Number of Collections	5
Number of Occurrences	33

Recorded Sample Locations

Location	Region	Stratigraphic Name
Chachao Coquina	Malargüe Department, Mendoza Province, Argentina	Mendoza - Chachao
Los Pirilos	Malargüe Department, Mendoza Province, Argentina	Mendoza - Chachao

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Thalassinoides sp. genus	6	*Thalassinoides*	140.2 - 136.4 Ma Early/Lower Cretaceous
Parsimonia sp. genus	6	Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : *Parsimonia*	140.2 - 136.4 Ma Early/Lower Cretaceous
Sarcinella sp. genus	6	Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : *Sarcinella*	140.2 - 136.4 Ma Early/Lower Cretaceous
Callianassa peruviana species	7	Animalia : Arthropoda : Malacostraca : Decapoda : Callianassidae : Callianassa : *Callianassa peruviana*	145 - 136.4 Ma Early/Lower Cretaceous
Cucullaea sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Cucullaeidae : *Cucullaea*	140.2 - 136.4 Ma Early/Lower Cretaceous
Myoconcha sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Kalenteridae : *Myoconcha*	140.2 - 136.4 Ma Early/Lower Cretaceous
Eriphyla sp. genus	6	Animalia : Mollusca : Bivalvia : Carditida : Astartidae : *Eriphyla*	140.2 - 136.4 Ma Early/Lower Cretaceous
Ptychomya sp. genus	6	Animalia : Mollusca : Bivalvia : Carditida : Astartidae : *Ptychomya*	140.2 - 136.4 Ma Early/Lower Cretaceous
Amphidonte (Ceratostreon) sp. subgenus	6.3	Animalia : Mollusca : Bivalvia : Ostreida : Gryphaeidae : Amphidonte : *Amphidonte (Ceratostreon)*	140.2 - 136.4 Ma Early/Lower Cretaceous
Exogyra (Aetostreon) sp. subgenus	6.3	Animalia : Mollusca : Bivalvia : Ostreida : Gryphaeidae : Exogyra : *Exogyra (Aetostreon)*	140.2 - 136.4 Ma Early/Lower Cretaceous
Pinna sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Pinnidae : *Pinna*	140.2 - 136.4 Ma Early/Lower Cretaceous
Pecten sp. genus	6	Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : *Pecten*	140.2 - 136.4 Ma Early/Lower Cretaceous
Trigonia sp. genus	6	Animalia : Mollusca : Bivalvia : Trigoniida : Trigoniidae : *Trigonia*	140.2 - 136.4 Ma Early/Lower Cretaceous
Olcostephanus sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Olcostephanidae : *Olcostephanus*	140.2 - 136.4 Ma Early/Lower Cretaceous

References

Aguirre-Urreta M. B. (1989) The Cretaceous decapod Crustacea of Argentina and the Antarctic Pensinsula, Palaeontology 32 3, 499-552

Palma R. M., Lanes S. G. (2001) Shell Bed Stacking Patterns in the Chachao Formation (Early Valanginian) in Malargue Area, Mendoza Province, Neuquen Basin, Argintina, Carbonates and Evaporites 16 2, 168-180

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

Quick NavTop Recorded Sample Locations Recorded Fossils References