Ammonite Unit Turonian 2, Sergipe Basin (Cretaceous to 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 to Early/Lower Turonian (93.5 - 89.3 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
""Sphenoceramus" spp." = Inoceramus (Sphenoceramus) Böhm 1915 clam
Mytiloides labiatus Schlotheim 1813 clam
Mytiloides mytiloides Mantell 1822 clam
 Pectinida - Limidae
Pseudolimea interplicosa Stoliczka 1871 file clam
 Carditida - Astartidae
Astarte similis Munster 1840 clam
 Poromyida - Poromyidae
Liopistha alta, "Psilomya ligeriensis" = Liopistha (Psilomya)
"Psilomya ligeriensis" = Liopistha (Psilomya) clam
 Pholadomyida - Pholadomyidae
Pholadomya aff. esmarki Nilsson 1827 clam
 Cardiida - Cardiidae
Protocardia pauli Coquand 1862 cockle
Cephalopoda
 Ammonitida - Diplomoceratidae
Scalarites sp. Wright and Matsumoto 1954 ammonite
 Ammonitida - Hamitidae
 Ammonitida - Coilopoceratidae
Coilopoceras sp. Hyatt 1903 ammonite
Hoplitoides sp. von Koenen 1898 ammonite
Hoplitoides gibbosulus von Koenen 1897 ammonite
Hoplitoides ingens von Koenen 1897 ammonite
 Ammonitida - Vascoceratidae
Fagesia bomba ammonite
Fagesia involuta Barber 1957 ammonite
Neoptychites cephalotus Courtiller 1860 ammonite
 Ammonitida - Acanthoceratidae
Kamerunoceras turoniense d'Orbigny 1850 ammonite
Kamerunoceras seitzi Riedel 1933 ammonite
"Romaniceras deverianum" = Romaniceras (Romaniceras) deverianum d'Orbigny 1841 ammonite
Watinoceras sp. Warren 1930 ammonite
Watinoceras coloradoense Henderson 1908 ammonite
Watinoceras jaekeli Solger 1904 ammonite
Watinoceras amudariense Arkhanguelsky 1916 ammonite
Benueites ? sp. Reyment 1954 ammonite
Mitonia residei ammonite
Spathites (Spathites) sp. Kummel and Decker 1954 ammonite
Mammites nodosoides Schlüter 1871 ammonite
 Ammonitida - Desmoceratidae
Parapuzosia sp. Nowak 1913 ammonite
Pachydesmoceras sp. Spath 1922 ammonite
Gastropoda
 Sorbeoconcha - Aporrhaidae
Chenopus (Helicaulax) subgibbosus, "Pterocera (Dicroloma) aff. decussata" = Dicroloma
"Pterocera (Dicroloma) aff. decussata" = Dicroloma snail
listed as Pterocera (Dicroloma?) aff. decussata
 Neogastropoda - Volutidae
 Neogastropoda - Mitridae
 Architaenioglossa - Ampullinidae
Echinoidea
 Spatangoida - Hemiasteridae
"Hemiaster jacksoni" = Mecaster batnensis
"Hemiaster jacksoni" = Mecaster batnensis Coquand 1862 heart urchin