ammonites
left bank, Río La Chilca, Ischigualasto (Triassic of Argentina)

Where: San Juan, Argentina (30.1° S, 67.9° W: paleocoordinates 39.7° S, 30.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ischigualasto Formation, Norian (221.5 - 205.6 Ma)

• lower section of the formation, near the middle third

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Gargiulo & Oñate in 1975

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

Primary reference: F. E. Novas. 1986. Un probable teropodo (Saurischia) de la Formacion Ischigualasto (Triasico Superior), San Juan, Argentina [A probable theropod (Saurischia) from the Ischigualasto Formation (Upper Triassic), San Juan, Argentina]. IV Congreso Argentino de Paleontologia y Bioestratigrafia 1:1-6 [M. Carrano/M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52907: authorized by Matt Carrano, entered by Matt Carrano on 26.08.2005