RL-1, Rio de la Leche (Triassic to of Peru)

Where: Peru (6.4° S, 79.8° W: paleocoordinates 17.9° S, 47.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Chambara Formation (Pucara Group), Norian to Norian (228.0 - 201.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified limestone

Size classes: macrofossils, mesofossils

Preservation: recrystallized, replaced with silica

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

Collection methods: chemical

Primary reference: M. J. Simms. 1994. Crinoids from the Chambara Formation, Pucara Group, Central Peru. Palaeontographica Abteilung A 233:169-175 [W. Kiessling/B. Brenneis/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 37001: authorized by Wolfgang Kiessling, entered by Benjamin Brenneis on 23.02.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Isocrinida - Isocrinidae
Isocrinus "sp. A" Meyer in Agassiz 1836 Sea lily
Isocrinus sp. A - Tyrolecrinus sp.