Bivalvia, Schenck collection, Ameki: Lutetian, Nigeria

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Discorbina globularis
Adegoke 1968
Discorbina orbicularis
Adegoke 1968
Discorbina turbo
Adegoke 1968
Nonionina depressula
Adegoke 1968
Nonionina asterizans
Adegoke 1968
Nonionina boueana
Adegoke 1968
Nonionina boueana and Nonionina boueana janiformis
Nonionina scapha
Adegoke 1968
Carcharinus nigeriensis
Adegoke 1968
Ammobaculinidae
Haplophragmium pseudospirale
Adegoke 1968
Haplophragmium fontinense
Adegoke 1968
unclassified
Cristellaria rotulata
Adegoke 1968
Cassidulinidae
Cassidulina laevigata
Adegoke 1968
Cassidulina subglobosa
Adegoke 1968
Uvigerinidae
Uvigerina canariensis
Adegoke 1968
Uvigerina pygmaea
Adegoke 1968
Buliminidae
Bulimina fusiformis
Adegoke 1968
Virgulina schreibersiana
Adegoke 1968
Bolivinidae
Bolivina textilarioides
Adegoke 1968
Bolivina plicata
Adegoke 1968
Globigerinidae
Globigerina cretacea
Adegoke 1968
Globigerina pachyderma
Adegoke 1968
Pullenia obliquiloculata Parker and Jones 1865
Adegoke 1968
recombined as Pulleniatina obliquiloculata
Globorotaliidae
Globigerina dutertrei d'Orbigny 1839
Adegoke 1968
recombined as Neogloboquadrina dutertrei
Heterohelicidae
Textularia globulosa Ehrenberg 1840
Adegoke 1968
recombined as Heterohelix globulosa
Textulariidae
Textularia gramen dOrbigny 1846
Adegoke 1968
Nodosariidae
Nodosaria obliqua
Adegoke 1968
Lagena apiculata
Adegoke 1968
Lagena sulcata Williamson 1848
Adegoke 1968
Malacostraca - Decapoda - Carpiliidae
Holcocarcinus sulcatus Withers 1924
Adegoke 1968
Ostracoda - Podocopida
Basslerites abalidiegwuensis
Adegoke 1968
Ostracoda - Podocopida - Bythocyprididae
Bythocypris alejo
Adegoke 1968
Ostracoda - Loxoconchidae
Loxoconcha lagosensis
Adegoke 1968
Bivalvia - Carditida - Carditidae
Venericardia cf. planicosta Lamarck 1801
recombined as Venericor planicosta
Bivalvia - Cardiida
Cossmannella costaenodulosis
1 specimen
stated as abundant in the field
Cossmannella triparticostata
Cossmannella costaeirregularis
Cephalopoda
Belosaepia sepioides
Adegoke 1968
Chondrichthyes - Rhinopristiformes - Pristidae
Pristis mucrodens White 1926
Adegoke 1968
Pristis lathami Galeotti 1837
Adegoke 1968
Pristis hamatus White 1926
Adegoke 1968
Propristis schweinfurthi Priem 1897
Adegoke 1968
Chondrichthyes - Myliobatiformes - Myliobatidae
Myliobatis toliapicus (Agassiz 1843)
Adegoke 1968
Myliobatis dixoni Agassiz 1843
Adegoke 1968
Myliobatis striatus (Agassiz 1843)
Adegoke 1968
Rhinoptera sherborni White 1926
Adegoke 1968
Chondrichthyes - Lamniformes - Otodontidae
Odontaspis koerti (Stromer 1910)
Adegoke 1968
original and current combination Otodus koerti
Odontaspis koerti and Odontaspis koerti itoriensis
Chondrichthyes - Lamniformes - Lamnidae
Oxyrhina desori (Agassiz 1843)
Adegoke 1968
synonym of Isurus oxyrinchus
Oxyrhina desori praecursor
Carcharodon debrayi Leriche 1906
Adegoke 1968
Chondrichthyes - Carchariniformes - Carcharhinidae
Hypoprion overricus White 1926
Adegoke 1968
Aprionodon amekiensis White 1926
Adegoke 1968
Galeocerdo latidens Agassiz 1843
Adegoke 1968
Actinopteri - Acipenseriformes
Cylindracanthus rectus (Agassiz 1843)
Adegoke 1968
Actinopteri - Sphyraenidae
Sphyraena lugardi White 1926
Adegoke 1968
Actinopteri - Scombriformes
Scombramphodon woodwardi White 1926
Adegoke 1968
Actinopteri - Acanthuriformes - Sciaenidae
Otolithus (Sciaena) simplex Frost 1926
Adegoke 1968
Actinopteri - Spariformes - Sparidae
Otolithus (Pagellus) concavus Frost 1926
Adegoke 1968
Actinopteri - Labriformes - Labridae
Pseudosphaerodon pycnodoides White 1926
Adegoke 1968
Crenilabrus eocenicus White 1926
Adegoke 1968
Platylaemus nigeriensis White 1926
Adegoke 1968
Actinopteri - Siluriformes - Ariidae
Otolithus (Arius) angulatus Frost 1926
Adegoke 1968
Arius hewardbelli White 1926
Adegoke 1968
Otolithus (Arius) africanus Frost 1926
Adegoke 1968
Arius kitsoni White 1926
Adegoke 1968
Otolithus (Arius) amekiensis Frost 1926
Adegoke 1968
Actinopteri - Siluriformes - Claroteidae
Chrysichthys eaglesomei White 1926
Adegoke 1968
Anthozoa - Scleractinia - Turbinoliidae
Turbinolia sp. Lamarck 1816
Adegoke 1968
unclassified
Pulvinulina brongniartii
Adegoke 1968
Pulvinulina oblonga
Adegoke 1968
Pulvinulina hauerii
Adegoke 1968
Pulvinulina elegans
Adegoke 1968
Truncatulina lobatula
Adegoke 1968
Truncatulina refulgens
Adegoke 1968
Truncatulina ungeriana
Adegoke 1968
Truncatulina haidingerii
Adegoke 1968
Truncatulina pygmaea
Adegoke 1968
Foraminferea - Miliolida
Miliolina tricarinata
Adegoke 1968
Miliolina pygmaea
Adegoke 1968
Miliolina seminulum
Adegoke 1968
Miliolina contorta
Adegoke 1968
Miliolina ferussacii
Adegoke 1968
Miliolina boueana
Adegoke 1968
Miliolina bicarinella
Adegoke 1968
Miliolina sulcifera
Adegoke 1968
Miliolina (Adelosina) laevigata
Adegoke 1968
Miliolina (Adelosina) bicornis
Adegoke 1968
Miliolina (Adelosina) bicornis elegans
Foraminferea - Miliolida - Peneroplidae
Peneroplis carinatua
Adegoke 1968
Foraminferea - Miliolida - Spiroloculinidae
Spiroloculina excavata d'Orbigny 1846
Adegoke 1968
see common names

Geography
Country:Nigeria
Coordinates: 5.0° North, 7.5° West (view map)
Paleocoordinates:0.9° North, 13.4° West
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period:Paleogene Epoch:Eocene
Stage:Lutetian 10 m.y. bin:Cenozoic 2
Key time interval:Lutetian
Age range of interval:47.80000 - 41.30000 m.y. ago
Stratigraphy
Formation:Ameki
Stratigraphic resolution:formation
Lithology and environment
Primary lithology:green argillaceous,sandy mudstone
Secondary lithology: sandstone
Lithology description: The formation is predominantly greenish-grey clayey sandstone and sandy claystone. It may locally show shaley development or inclusions of white and mottled claystone and sandstone. The typical greenish gray mudstone includes variable amounts of interbedded sandstone.
Environment:marine indet.
Taphonomy
Modes of preservation:body
Preservation of anatomical detail:excellent
Articulated whole bodies:all
Collection methods and comments
Collection methods:survey of museum collection
Collection size:1 specimens
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Foraminifera, ostracods, fish, crustaceans, and cephalopods are compiled by Adegoke (1968) as occurring in this formation, no specific locality information is given.
Metadata
Database number:60711
Authorizer:L. Villier, A. Miller Enterer:L. Villier, J. Sessa
Modifier:J. Sessa Research group:marine invertebrate
Created:2006-05-21 06:27:21 Last modified:2008-05-07 10:56:18
Access level:the public Released:2006-05-21 06:27:21
Creative Commons license:CC BY
Reference information

Primary reference:

17429.1% 21900A. Chavan. 1938. Un groupe africain de carditidés, Cossmannella Mayer-Eymar. Bulletin de la Société Géologique de France 8(1):3-10 [L. Villier/L. Villier]

Secondary references:

27147 O.S. Adegoke. 1968. Eocene stratigraphy of southern Nigeria. Memoires du Bureau de Recherches Geologiques et Minieres 69:23-47 [A. Miller/J. Sessa]