Ammonite Unit Cenomanian 2, Sergipe Basin (Cretaceous of Brazil)

Where: Brazil (10.8° S, 37.1° W: paleocoordinates 17.4° S, 11.4° W)

• coordinate estimated from map

• basin-level geographic resolution

When: Cotinguiba Formation, Middle Cenomanian (99.6 - 93.5 Ma)

Environment/lithology: open shallow subtidal; limestone and calcareous sandstone

• thick bedded, massive lithology called 'Laranjeiras facies'. It may be strongly bioturbated and icludes nodular and flaser-bedded limestones.

Size class: macrofossils

Preservation: cast

Collection methods: A total of 604 localities in the Segripe Basin has been sampled, though the occurences can't be assigend to a specific locality

Primary reference: P. Bengtson. 1983. The Cenomanian-Coniacian of Sergipe Basin, Brazil. Fossil and Strata (12)1-78 [M. Aberhan/T. Schossleitner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 140838: authorized by Martin Aberhan, entered by Thomas Schossleitner on 18.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ostreida - Gryphaeidae
 Carditida - Astartidae
 Ammonitida - Forbesiceratidae
Forbesiceras sp. Kossmat 1897 ammonite
 Ammonitida - Acanthoceratidae
Calycoceras sp. Hyatt 1900 ammonite
Acompsoceras aff. renevieri Sharpe 1857 ammonite
Dunveganoceras sp. Warren and Stelck 1940 ammonite
 Ammonitida - Turrilitidae
Turrilites sp. Lamarck 1801 ammonite