Bajada de las Vacas, Los Molles (Jurassic of Argentina)

Where: Mendoza, Argentina (35.2° S, 69.7° W: paleocoordinates 32.8° S, 32.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Jurassic (161.5 - 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 137145: authorized by Matthew Carrano, entered by Matthew Carrano on 11.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Reptilia
 Ichthyosauria - Ichthyosauridae
Ichthyosaurus saladensis n. sp. Rusconi 1948 ichthyosaur
teeth and jaw fragments
Cephalopoda
 Ammonitida - Reineckeiidae
 Ammonitida - Aulacostephanidae
"Steueroceras ellipsostomum" = Aulacostephanus, "Steueroceras incertum" = Aulacostephanus
"Steueroceras ellipsostomum" = Aulacostephanus ammonite
"Steueroceras incertum" = Aulacostephanus ammonite
 Ammonitida - Neocomitidae
 Ammonitida - Olcostephanidae
Spiticeras damesi Steuer 1897 ammonite