Patranca Island (Triassic of Chile)

Where: Chile (45.5° S, 74.1° W: paleocoordinates 52.8° S, 29.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Potranca Formation, Sevatian (212.0 - 205.6 Ma)

• JA: originally entered as Norian, but said to be "probably early late Norian" (presumably meaning early Sevatian) by the authors

• group of beds-level stratigraphic resolution

Environment/lithology: submarine fan; lithified shale and lithified chert

• submarine fan turbidite and subordinate pelagic cherts

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: Z. Fang, A. Boucot, V. Covacevich and F. Herve. 1998. Discovery of Late Triassic fossils in the Chronos Metamorphic Complex, southern Chile. Revista Geologica de Chile 25(2):165-173 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 100244: authorized by Wolfgang Kiessling, entered by Uta Merkel on 03.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Monotidae