Ammonite Unit Turonian 3, Sergipe Basin (Cretaceous of Brazil)

Where: Brazil (10.8° S, 37.1° W: paleocoordinates 16.8° S, 13.2° W)

• coordinate estimated from map

• basin-level geographic resolution

When: Cotinguiba Formation, Late/Upper Turonian (93.5 - 89.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; limestone

• flaggy limestones (Sapucari facies (Bender, 1959) here replaced with the term Pindoba facies). Laminated thin bedded rocks, where the individual beds are generally separated by clayey or marly layers, and the rocks commonly appear as flaggy 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 140890: authorized by Martin Aberhan, entered by Thomas Schossleitner on 18.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Spatangoida - Hemiasteridae
"Hemiaster jacksoni" = Mecaster batnensis
"Hemiaster jacksoni" = Mecaster batnensis Coquand 1862 heart urchin
 Holasteroida - Holasteridae
Cardiaster sp. Forbes 1850 sea urchin
Gastropoda
 Neogastropoda - Nassariidae
Fusus sp. Bruguière 1789 snail
 Sorbeoconcha - Tylostomatidae
Tylostoma sp. Sharpe 1849 snail
Bivalvia
 Pectinida - Limidae
Pseudolimea interplicosa Stoliczka 1871 file clam
 Myalinida - Inoceramidae
Cephalopoda
 Ammonitida - Desmoceratidae
Parapuzosia sp. Nowak 1913 ammonite
 Ammonitida - Collignoniceratidae
Reesidites sp. Wright and Matsumoto 1954 ammonite
 Ammonitida - Sphenodiscidae
Paralenticeras sp. Hyatt 1900 ammonite
 Ammonitida - Baculitidae
Sciponoceras ? sp. Hyatt 1894 ammonite
 Ammonitida - Hamitidae