B4-Portezuelo Ancho Pass, Mendoza (Jurassic of Argentina)

Where: Mendoza, Argentina (35.1° S, 70.1° W: paleocoordinates 35.2° S, 30.4° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Puchenque Formation, Late/Upper Pliensbachian (189.6 - 183.0 Ma)

• Puchenque?

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collection methods: surface (in situ),

Primary reference: S. E. Damborenea. 2002. Early Jurassic bivalves of Argentina: Part 3, Superfamilies Monotoidea, Pectinoidea, Plicatuloidea and Dimyoidea. Palaeontographica Abteilung A 265(1-4):1-119 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 36935: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 19.02.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Pectinida - Entoliidae
"Entolium (Entolium) cf. lunare" = Entolium lunare
"Entolium (Entolium) cf. lunare" = Entolium lunare Roemer 1839 scallop
 Pectinida - Pectinoidae
"Chlamys" textoria Schlotheim 1820 scallop
 Pectinida - Entolioididae
Kolymonectes weaveri Damborenea 1997 scallop