Bajada Vieja (La Tosca Member, Huitrin Formation) (Cretaceous of Argentina)

Where: Argentina (38.4° S, 70.0° W: paleocoordinates 38.4° S, 35.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: La Tosca Member (Huitrin Formation), Barremian (129.4 - 125.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone and lithified wackestone

• middle to outer carbonate ramp

Size class: macrofossils

Primary reference: D. G. Lazo and S. E. Damborenea. 2011. Barremian Bivalves From the Huitrín Formation, West-Central Argentina: Taxonomy and Paleoecology Of A Restricted Marine Association. Journal of Paleontology 85(4):721-749 [M. Aberhan/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 114202: authorized by Martin Aberhan, entered by Sabine Nürnberg on 11.08.2011, edited by Franco Aspromonte

Creative Commons license: CC BY (attribution)

Taxonomic list

• focus on bivalves
Show authors, comments, and common names
Gastropoda
 Caenogastropoda -
Cataldia ? binodosa
Cataldia ? binodosa Cataldo 2017 snail
CPBA 21799.1–4 and CPBA 21297
 Pseudomelanoidea - Pseudomelaniidae
Paosia ? sp.
Paosia ? sp. Böhm 1895 snail
CPBA 21294
 Cerithioidea - Cryptaulacidae
Exelissa crassicostata n. sp., Cirsocerithium agriorivensis n. sp.
Exelissa crassicostata n. sp. Cataldo 2017 snail
CPBA 21293.1–135
Cirsocerithium agriorivensis n. sp. Cataldo 2017 snail
CPBA 21801.1–19
Bivalvia
 Cardiida - Isocyprinidae
Argenticyprina mulensis
Argenticyprina mulensis Lazo and Damborenea 2011 clam
7 shell pavements