Where: Brazil (10.7° S, 37.2° W: paleocoordinates 13.6° S, 6.5° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Angico 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: coastal; lithified, massive, fine-grained, yellow sandstone and lithified siltstone
Size class: macrofossils
Preservation: mold/impression
Collection methods: mechanical,
• Associated fauna is composed of other bivalves (e.g., trigonids, ostreids), ammonites, and gastropods.
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 114714: 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 | |
Douvilleiceras mammillatum Schlotheim 1813 ammonite | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Bivalvia | |
Ostreida indet. Fërussac 1822 oyster | |
Gervillia (Gervillia) sergipensis Mello et al. 2007 oyster | |
Trigoniida indet. Dall 1889 clam |