Bivalvia, Schenck collection, Ameki: Lutetian, Nigeria
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
unclassified
|
||||||||||
|
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 | |||||||||
|
Acipenseriformes
|
||||||||||
|
Cylindracanthus rectus
(Agassiz 1843)
|
Adegoke 1968 | |||||||||
|
Actinopteri
- Acanthopteri
- Sphyraenidae
|
||||||||||
|
Sphyraena lugardi
White 1926
|
Adegoke 1968 | |||||||||
|
Actinopteri
- Labriformes
- Labridae
|
||||||||||
|
Crenilabrus eocenicus
White 1926
|
Adegoke 1968 | |||||||||
|
Platylaemus nigeriensis
White 1926
|
Adegoke 1968 | |||||||||
|
Pseudosphaerodon pycnodoides
White 1926
|
Adegoke 1968 | |||||||||
|
Actinopteri
- Perciformes
- Sparidae
|
||||||||||
|
Otolithus (Pagellus) concavus
Frost 1926
|
Adegoke 1968 | |||||||||
|
Actinopteri
- Acanthuriformes
- Sciaenidae
|
||||||||||
|
Otolithus (Sciaena) simplex
Frost 1926
|
Adegoke 1968 | |||||||||
|
Actinopteri
- Scombriformes
|
||||||||||
|
Scombramphodon woodwardi
White 1926
|
Adegoke 1968 | |||||||||
|
Actinopteri
- Siluriformes
- Claroteidae
|
||||||||||
|
Chrysichthys eaglesomei
White 1926
|
Adegoke 1968 | |||||||||
|
Actinopteri
- Siluriformes
- Ariidae
|
||||||||||
|
Otolithus (Arius) africanus
Frost 1926
|
Adegoke 1968 | |||||||||
|
Arius hewardbelli
White 1926
|
Adegoke 1968 | |||||||||
|
Otolithus (Arius) amekiensis
Frost 1926
|
Adegoke 1968 | |||||||||
|
Arius kitsoni
White 1926
|
Adegoke 1968 | |||||||||
|
Otolithus (Arius) angulatus
Frost 1926
|
Adegoke 1968 | |||||||||
|
Chondrichthyes
- Myliobatiformes
- Myliobatidae
|
||||||||||
|
Myliobatis dixoni
Agassiz 1843
|
Adegoke 1968 | |||||||||
| recombined as Aetomylaeus dixoni | ||||||||||
|
Myliobatis striatus
(Agassiz 1843)
|
Adegoke 1968 | |||||||||
| recombined as Aetomylaeus striatus | ||||||||||
|
Myliobatis toliapicus
(Agassiz 1843)
|
Adegoke 1968 | |||||||||
|
Rhinoptera sherborni
White 1926
|
Adegoke 1968 | |||||||||
|
Chondrichthyes
- Rhinopristiformes
- Pristidae
|
||||||||||
|
Pristis hamatus
White 1926
|
Adegoke 1968 | |||||||||
|
Pristis mucrodens
White 1926
|
Adegoke 1968 | |||||||||
|
Pristis lathami
Galeotti 1837
|
Adegoke 1968 | |||||||||
|
Propristis schweinfurthi
Priem 1897
|
Adegoke 1968 | |||||||||
|
Chondrichthyes
- Carcharhiniformes
- Galeocerdidae
|
||||||||||
|
Galeocerdo latidens
(Agassiz 1835)
|
Adegoke 1968 | |||||||||
|
Chondrichthyes
- Carcharhiniformes
- Carcharhinidae
|
||||||||||
|
Aprionodon amekiensis
White 1926
|
Adegoke 1968 | |||||||||
|
Hypoprion overricus
White 1926
|
Adegoke 1968 | |||||||||
|
Chondrichthyes
- Lamniformes
- Odontaspididae
|
||||||||||
|
Odontaspis koerti
(Stromer 1910)
|
Adegoke 1968 | |||||||||
| recombined as Brachycarcharias koerti | ||||||||||
| Odontaspis koerti and Odontaspis koerti itoriensis | ||||||||||
|
Chondrichthyes
- Lamniformes
- Lamnidae
|
||||||||||
|
Carcharodon debrayi
Leriche 1906
|
Adegoke 1968 | |||||||||
|
Oxyrhina desori
(Agassiz 1843)
|
Adegoke 1968 | |||||||||
| synonym of Isurus oxyrinchus | ||||||||||
| Oxyrhina desori praecursor | ||||||||||
|
Cephalopoda
|
||||||||||
|
Belosaepia sepioides
|
Adegoke 1968 | |||||||||
|
Bivalvia
- Carditida
- Carditidae
|
||||||||||
|
Cossmannella costaenodulosis
|
1 specimen | |||||||||
| stated as abundant in the field | ||||||||||
|
Cossmannella triparticostata
|
||||||||||
|
Cossmannella costaeirregularis
|
||||||||||
|
Venericardia cf. planicosta
Lamarck 1801
|
||||||||||
| recombined as Venericor planicosta | ||||||||||
|
Ostracoda
- Podocopida
- Leguminocythereidae
|
||||||||||
|
Basslerites abalidiegwuensis
|
Adegoke 1968 | |||||||||
|
Ostracoda
- Podocopida
- Bythocyprididae
|
||||||||||
|
Bythocypris alejo
|
Adegoke 1968 | |||||||||
|
Ostracoda
- Podocopida
- Loxoconchidae
|
||||||||||
|
Loxoconcha lagosensis
|
Adegoke 1968 | |||||||||
|
Malacostraca
- Decapoda
- Carpiliidae
|
||||||||||
|
Holcocarcinus sulcatus
Withers 1924
|
Adegoke 1968 | |||||||||
|
Anthozoa
- Scleractinia
- Turbinoliidae
|
||||||||||
|
Turbinolia sp.
Lamarck 1816
|
Adegoke 1968 | |||||||||
|
Lituolida
- Lituolidae
|
||||||||||
|
Textularia gramen
dOrbigny 1846
|
Adegoke 1968 | |||||||||
|
Lituolida
- Ammobaculinidae
|
||||||||||
|
Haplophragmium pseudospirale
|
Adegoke 1968 | |||||||||
|
Haplophragmium fontinense
|
Adegoke 1968 | |||||||||
|
Globothalamea
- Rotaliida
- Discorbidae
|
||||||||||
|
Discorbina globularis
|
Adegoke 1968 | |||||||||
|
Discorbina orbicularis
|
Adegoke 1968 | |||||||||
|
Discorbina turbo
|
Adegoke 1968 | |||||||||
|
Nodosariata
- Nodosariida
- Nodosariidae
|
||||||||||
|
Nodosaria obliqua
|
Adegoke 1968 | |||||||||
|
Lagena apiculata
(Reuss 1850)
|
Adegoke 1968 | |||||||||
|
Lagena sulcata
Williamson 1848
|
Adegoke 1968 | |||||||||
|
Charentiidae
|
||||||||||
|
Peneroplis carinatua
|
Adegoke 1968 | |||||||||
|
unclassified
|
||||||||||
|
Cristellaria rotulata
|
Adegoke 1968 | |||||||||
|
Bolivinidae
|
||||||||||
|
Bolivina textilarioides
|
Adegoke 1968 | |||||||||
|
Bolivina plicata
|
Adegoke 1968 | |||||||||
|
Eponididae
|
||||||||||
|
Pulvinulina brongniartii
|
Adegoke 1968 | |||||||||
|
Pulvinulina oblonga
|
Adegoke 1968 | |||||||||
|
Pulvinulina hauerii
|
Adegoke 1968 | |||||||||
|
Pulvinulina elegans
|
Adegoke 1968 | |||||||||
|
Uvigerinidae
|
||||||||||
|
Uvigerina canariensis
|
Adegoke 1968 | |||||||||
|
Uvigerina pygmaea
|
Adegoke 1968 | |||||||||
|
Cassidulinidae
|
||||||||||
|
Cassidulina laevigata
|
Adegoke 1968 | |||||||||
|
Cassidulina subglobosa
|
Adegoke 1968 | |||||||||
|
Tubothalamea
- 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 | ||||||||||
|
Tubothalamea
- Miliolida
- Miliolidae
|
||||||||||
|
Spiroloculina excavata
d'Orbigny 1846
|
Adegoke 1968 | |||||||||
|
Heterohelicidae
|
||||||||||
|
Textularia globulosa
Ehrenberg 1840
|
Adegoke 1968 | |||||||||
| recombined as Heterohelix globulosa | ||||||||||
|
Globotruncanidae
|
||||||||||
|
Globigerina cretacea
d'Orbigny 1840
|
Adegoke 1968 | |||||||||
| recombined as Archaeoglobigerina cretacea | ||||||||||
|
Globorotaliidae
|
||||||||||
|
Globigerina dutertrei
d'Orbigny 1839
|
Adegoke 1968 | |||||||||
| recombined as Neogloboquadrina dutertrei | ||||||||||
|
Globigerina pachyderma
(Ehrenberg 1861)
|
Adegoke 1968 | |||||||||
| recombined as Neogloboquadrina pachyderma | ||||||||||
|
Pullenia obliquiloculata
Parker and Jones 1865
|
Adegoke 1968 | |||||||||
| recombined as Pulleniatina obliquiloculata | ||||||||||
|
Buliminidae
|
||||||||||
|
Bulimina fusiformis
|
Adegoke 1968 | |||||||||
|
Virgulina schreibersiana
|
Adegoke 1968 | |||||||||
|
unclassified
|
||||||||||
|
Truncatulina lobatula
|
Adegoke 1968 | |||||||||
|
Truncatulina refulgens
|
Adegoke 1968 | |||||||||
|
Truncatulina ungeriana
|
Adegoke 1968 | |||||||||
|
Truncatulina haidingerii
|
Adegoke 1968 | |||||||||
|
Truncatulina pygmaea
|
Adegoke 1968 | |||||||||
| see common names | ||||||||||
Geography
| Country: | Nigeria |
| Coordinates: | 5.0° North, 7.5° East (view map) |
| Paleocoordinates: | 0.7° South, 1.4° East |
| 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 - 41.20000 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 |
| Size of fossils: | macrofossils |
| 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: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2006-05-21 06:27:21 | Last modified: | 2020-05-01 10:44:47 |
| Access level: | the public | Released: | 2006-05-21 06:27:21 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 17429. | 1% 21900 | A. 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] |