Where: Brazil (10.6° S, 37.0° W: paleocoordinates 13.5° S, 6.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Maruim Member (Riachuelo Formation), Aptian to Aptian (125.0 - 100.5 Ma)

• These layers are dated as Aptian-Albian based on ammonite zonation (Zucon, 2005; Zucon et al., 2006).

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, dolomitic limestone

Size class: macrofossils

Preservation: mold/impression

Collection methods: Associated fauna is composed of other bivalves, ammonites, gastropods, corals, and echinoids.

Primary reference: L. H. C. Mello, F. T. Mello, and M. H. Zucon. 2007. A new species of Gervillia Defrance (Bivalvia, Bakevelliidae) from the Aptian-Albian transition of Sergipe, Brazil. Revista Brasileira de Paleontologia 10(1):63-69 [M. Aberhan/D. Wellmanns/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 114715: authorized by Martin Aberhan, entered by Daniel Wellmanns on 22.08.2011, edited by Sabine Nürnberg

Creative Commons license: CC BY (attribution)