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

Where: Brazil (10.8° S, 37.1° W: paleocoordinates 16.9° S, 12.9° W)

• coordinate estimated from map

• basin-level geographic resolution

When: Cotinguiba Formation, Turonian (93.9 - 89.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; limestone

• limestone breccia or conglomerate, flaser bedded or nodular limestone, dolomitic limestone, 'Laranjeireas facies', 'Pindoba facies'

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 140889: authorized by Martin Aberhan, entered by Thomas Schossleitner on 18.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Myalinida - Inoceramidae
Mytiloides labiatus Schlotheim 1813 clam
Mytiloides mytiloides Mantell 1822 clam
""Sphenoceramus" spp." = Inoceramus (Sphenoceramus) Böhm 1915 clam
 Pectinida - Limidae
Pseudolimea interplicosa Stoliczka 1871 file clam
 Pterioida -
 Carditida - Astartidae
Astarte similis Munster 1840 clam
 Cardiida - Cardiidae
 Poromyida - Poromyidae
 Pholadomyida - Pholadomyidae
Gastropoda
 Architaenioglossa - Ampullinidae
"Ampullospira (Amauropsis) bulbiformis" = Ampullina (Ampullospira)
"Ampullospira (Amauropsis) bulbiformis" = Ampullina (Ampullospira) snail
 Neogastropoda - Mitridae
 Neogastropoda - Volutidae
 Stromboidea - Aporrhaidae
"Pterocera (Dicroloma) aff. decussata" = Dicroloma, Chenopus (Helicaulax) subgibbosus
"Pterocera (Dicroloma) aff. decussata" = Dicroloma snail
listed as Pterocera (Dicroloma?) aff. decussata
Cephalopoda
 Ammonitida - Desmoceratidae
Pachydesmoceras sp. Spath 1922 ammonite
Parapuzosia sp. Nowak 1913 ammonite
 Ammonitida - Vascoceratidae
Fagesia bomba ammonite
Neoptychites cephalotus Courtiller 1860 ammonite
 Ammonitida - Acanthoceratidae
Watinoceras sp. Warren 1930 ammonite
Watinoceras amudariense Arkhanguelsky 1916 ammonite
Watinoceras coloradoense Henderson 1908 ammonite
Benueites ? sp. Reyment 1954 ammonite
Mammites nodosoides Schlüter 1871 ammonite
Mitonia residei ammonite
Spathites (Spathites) sp. Kummel and Decker 1954 ammonite
"Romaniceras deverianum" = Romaniceras (Romaniceras) deverianum d'Orbigny 1841 ammonite
Kamerunoceras turoniense d'Orbigny 1850 ammonite
 Ammonitida - Coilopoceratidae
Hoplitoides sp. von Koenen 1898 ammonite
Hoplitoides gibbosulus von Koenen 1897 ammonite
Hoplitoides ingens Koenen 1898 ammonite
Coilopoceras sp. Hyatt 1903 ammonite
 Ammonitida - Hamitidae
 Ammonitida - Diplomoceratidae
Scalarites sp. Wright and Matsumoto 1954 ammonite
Echinoidea
 Spatangoida - Hemiasteridae
"Hemiaster jacksoni" = Mecaster batnensis
"Hemiaster jacksoni" = Mecaster batnensis Coquand 1862 heart urchin