Ammonite Unit Turonian 1, 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, Early/Lower Turonian (93.5 - 89.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; nodular limestone

• limestone breccia or conglomerate, flaser bedded or nodular limestone, dolomitic limestone

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 140888: authorized by Martin Aberhan, entered by Thomas Schossleitner on 18.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Myalinida - Inoceramidae
Mytiloides sp. Brongniart 1822 clam
Mytiloides mytiloides Mantell 1822 clam
 Pectinida - Limidae
Pseudolimea interplicosa Stoliczka 1871 file clam
 Carditida - Astartidae
Astarte similis Munster 1840 clam
 Poromyida - Poromyidae
 Neogastropoda - Fasciolariidae
"Piestochilus (Cryptorhytis) cf. thevestensis" = Cryptorhytis
"Piestochilus (Cryptorhytis) cf. thevestensis" = Cryptorhytis snail
 Stromboidea - Aporrhaidae
 Ammonitida - Vascoceratidae
Vascoceras ? globosum, "Nannovascoceras sp." = Vascoceras, "Paravascoceras hartti" = Vascoceras harttii
Vascoceras ? globosum Reyment 1954 ammonite
"Nannovascoceras sp." = Vascoceras Choffat 1898 ammonite
"Paravascoceras hartti" = Vascoceras harttii Hyatt 1870 ammonite
 Ammonitida - Pseudotissotiidae
Pseudotissotia nigeriensis Woods 1911 ammonite
Thomasites sp. Pervinquiére 1907 ammonite
 Ammonitida - Acanthoceratidae
Mitonia sp. Renz and Alvarez 1979 ammonite
 Ammonitida - Pseudotissotidae
Wrightoceras sp. Reyment 1954 ammonite
 Spatangoida - Hemiasteridae
"Hemiaster jacksoni" = Mecaster batnensis
"Hemiaster jacksoni" = Mecaster batnensis Coquand 1862 heart urchin