Quebrada Plaza, Atacama (Jurassic of Chile)

Where: Chile (28.9° S, 70.2° W: paleocoordinates 27.4° S, 33.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Phymatoceras toroense ammonoid zone, Variabilis (182.0 - 175.6 Ma)

• ammonoid zone: details given for trigonioids only

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithology not reported

Size class: macrofossils

Preservation: mold/impression, original calcite, replaced with silica

Collection methods: mechanical, acetic,

• collected since 1966

Primary reference: J. Gründel. 2001. Gastropoden aus dem Jura der südamerikanischen Anden - Gastropods from the Jurassic of the Andes of South America. Paläontologie, Stratigraphie, Fazies - Heft 9; Freiberger Forschungshefte C 492:43-84 [M. Aberhan/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 95075: authorized by Martin Aberhan, entered by Sabine Nürnberg on 06.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Trigoniida - Trigoniidae
Neuquenitrigonia plazaensis n. sp.2 Pérez et al. 2008 clam
Neuquenitrigonia huenickeni2 Leanza and Garate 1985 clam
 Trigoniida - Myophorelloidae
Myophorella (Myophorella) reginae2 Pérez et al. 2008 clam
Vaugonia "sp. 1"2 Crickmay 1930 clam
 Pholadida - Ceratomyidae
Gresslya peregrina1 Phillips 1829 clam
 Pholadomyida - Pholadomyidae
Gastropoda
 Pseudomelanoidea - Pseudomelaniidae
Pseudomelania "sp. 3" Pictet and Campiche 1862 snail