Tarmatambo, near Tarma (Triassic to of Peru)

Where: Peru (11.5° S, 75.7° W: paleocoordinates 21.0° S, 42.2° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Pucara Group, Norian to Norian (228.0 - 190.8 Ma)

• Late Triassic or Early Jurassic. No collection details.

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified limestone

Size class: macrofossils

Preservation: recrystallized, replaced with silica

Reposited in the USNM

Collection methods: chemical

Primary reference: A. B. Smith. 1994. Triassic echinoids from Peru. Palaeontographica Abteilung A 233:177-202 [W. Kiessling/B. Brenneis/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 144534: authorized by Matthew Clapham, entered by Matthew Clapham on 10.05.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Pedinoida - Pedinidae