12 km from Los Molles (Jurassic of Argentina)

Where: Mendoza, Argentina (35.2° S, 69.8° W: paleocoordinates 32.8° S, 32.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Jurassic (163.5 - 145.0 Ma)

• most remains from the same bed as the ichthyosaur, or one very close

• group of beds-level stratigraphic resolution

Environment/lithology: marine; gray limestone

• "a slate-colored limestone"

Size classes: macrofossils, mesofossils

Collected by F. Gabrieli, C. Rusconi, V. Tomba, E. Flores, & P. Save in 1938

Primary reference: C. Rusconi. 1938. Restos de ictiosaurios del Jurásico Superior de Mendoza [Remains of ichthyosaurs from the Upper Jurassic of Mendoza]. Boletin Paleontológico de Buenos Aires 10:1-4 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 137144: authorized by Matthew Carrano, entered by Matthew Carrano on 11.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida -
 Ammonitida - Hildoceratidae
 Ammonitida - Hoplitidae
 Ammonitida - Oppeliidae
"Oppelia perlaevis" = Cieneguiticeras perlaevis
"Oppelia perlaevis" = Cieneguiticeras perlaevis Steuer 1897 ammonite
 Ammonitida - Olcostephanidae
Spiticeras damesi Steuer 1897 ammonite
"Astieria subandina" = Olcostephanus ammonite
 Ammonitida - Neocomitidae
 Ammonitida - Aspidoceratidae
 Ammonoidea -
 Ichthyosauria - Ophthalmosauridae
"Myobradypterygius mollensis n. sp." = Ancanamunia mollensis
"Myobradypterygius mollensis n. sp." = Ancanamunia mollensis Rusconi 1938 ichthyosaur
MHN-PV 106