84-CH-4, Chaquipuquio (Triassic of Peru)

Where: Peru (10.8° S, 76.2° W: paleocoordinates 22.5° S, 43.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Chambara Formation (Pucara Group), Norian (228.0 - 208.5 Ma)

• Norian age not sure, Lower Jurassic age possible. Large blocks collected 5 m lower the top of the hill.

• bed-level stratigraphic resolution

Environment/lithology: lithified, cherty/siliceous limestone

• Fine-grained beige-colored silicified limestone

Size class: macrofossils

Preservation: replaced with silica

Collected by B. Senowbari-Daryan, G. Stanley in 1984, 1985; reposited in the UMMP

Collection methods: chemical

Primary reference: K. Bandel. 1994. Comparison of Upper Triassic and Lower Jurassic gastropods from the Peruvian Andes (Pucara Group) and the Alps (Cassian Formation). Palaeontographica Abteilung A 233:127-160 [W. Kiessling/B. Brenneis/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 144484: authorized by Matthew Clapham, entered by Matthew Clapham on 08.05.2013, edited by Benjamin Brenneis

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Euomphalina - Paraturbinidae
Chartroniella pacifica Jaworski 1922 snail
 Sorbeoconcha - Procerithiidae
 Trochoidea - Turbinidae
Cassianastraea stanleyia n. sp. Bandel 1994 snail