Ammonite Unit Coniacian 1, Sergipe Basin: Early/Lower Coniacian, Brazil

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea - Spatangoida - Hemiasteridae
Hemiaster jacksoni Maury 1925
synonym of Mecaster batnensis
Rhynchonellata - Terebratulida - Cryptonellidae
Texasia sp. Cooper and Grant 1969
replaced by Texarina
Cephalopoda - Ammonitida - Nostoceratidae
Bostrychoceras indicum (Stolickza 1866)
Cephalopoda - Ammonitida - Scaphitidae
Otoscaphites sp. Wright 1953
synonym of Yezoites
Cephalopoda - Ammonitida - Desmoceratidae
Damesites sp. Matsumoto 1942
Hauericeras antiqum
Cephalopoda - Ammonitida - Collignoniceratidae
Prionocycloceras guayabanum
Prionocycloceras lenti
Prionocycloceras gaudryi
Gauthiericeras sp. de Grossouvre 1894
Reginaites sp. Reyment 1957
Peroniceras spp.
Solgerites armatus (Solger 1904)
Barroisiceras (Basseoceras) sp. de Grossouvre 1894
Barroisiceras (Barroisiceras) onilahyense (Basse 1947)
Forresteria spp.
Harleites sp. (Reeside 1932)
reassigned as Forresteria (Harleites)
Cephalopoda - Ammonitida - Tissotiidae
Heterotissotia sp. Peron 1897
Cephalopoda - Ammonitida - Tetragonitidae
Anagaudryceras buddha (Forbes 1846)
synonym of Anagaudryceras sacya
Cephalopoda - Phylloceratida - Phylloceratidae
Hypophylloceras sp. (Salfeld 1924)
original and current combination Phylloceras (Hypophylloceras)
Gastropoda - Tylostomatidae
Tylostoma spp.
Gastropoda - Neogastropoda - Nassariidae
Fusus sp. Bruguière 1789
Gastropoda - Aporrhaidae
Aporrhais sp. da Costa 1778
Bivalvia - Myalinida - Inoceramidae
Inoceramus winkholdioides
Mytiloides dresdensis
Mytiloides fiegei
Mytiloides lusatiae (Andert 1911)
Mytiloides striatoconcentricus (Gümbel 1968)
Cremnoceramus ? waltersdorfensis
Cremnoceramus ? rotundatus (Fiege 1930)
Bivalvia - Ostreida - Posidoniidae
Didymotis sp. Gerhardt 1897
Didymotis aff. variabilis
Bivalvia - Ostreida - Pinnidae
Pinna sp. Linnaeus 1758
Bivalvia - Poromyida - Poromyidae
Liopistha (Psilomya) supermensa
see common names

Geography
Country:Brazil
Coordinates: 10.8° South, 37.1° West (view map)
Paleocoordinates:16.7° South, 14.0° West
Basis of coordinate:estimated from map
Geographic resolution:basin
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Coniacian 10 m.y. bin:Cretaceous 6
Key time interval:Early/Lower Coniacian
Age range of interval:89.80000 - 86.30000 m.y. ago
Stratigraphy
Formation:Cotinguiba
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: "limestone"
Lithology description: • thick bedded, massive lithology called 'Laranjeiras facies'. It may be strongly bioturbated and icludes nodular and flaser-bedded limestones.
Environment:open shallow subtidal
Taphonomy
Modes of preservation:cast
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: A total of 604 localities in the Segripe Basin has been sampled, though the occurences can't be assigend to a specific locality
Metadata
Database number:140901
Authorizer:M. Aberhan Enterer:T. Schossleitner
Modifier:T. Schossleitner Research group:marine invertebrate
Created:2013-03-19 00:30:16 Last modified:2013-03-18 08:58:20
Access level:the public Released:2013-03-19 00:30:16
Creative Commons license:CC BY
Reference information

Primary reference:
45714. P. Bengtson. 1983. The Cenomanian-Coniacian of Sergipe Basin, Brazil. Fossil and Strata (12)1-78 [M. Aberhan/T. Schossleitner]