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)
Taxonomic list
Cephalopoda | |
Epicheloniceras sp. Casey 1954 ammonite
Douvilleiceras mammillatum Schlotheim 1813 ammonite | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam | |
Gervillia (Gervillia) sergipensis Mello et al. 2007 oyster | |
Echinoidea | |
Echinoida indet. Troschel 1872 sea urchin | |
Anthozoa | |
Anthozoa indet. Ehrenberg 1834 |