Afikpo district (Cretaceous of Nigeria)

Where: Nigeria (5.8° N, 7.9° E)

• Paleocoordinates: 8.9° S, 7.5° E (Wright 2013)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Maastrichtian (72.1 - 66.0 Ma)

• Maastrichtian age established on the presence of ammonite genera Libycoceras and Sphenodiscus.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; mixed carbonate-siliciclastic sediments

Size class: macrofossils

Collected by J.R.T. Hazell, R.A. Reyment; reposited in the BMNH

Primary reference: R. A. Reyment. 1955. Upper Cretaceous Mollusca (Lamellibranchia and Gastropoda) from Nigeria. Colonial Geology and Mineral Resources 5:127-155 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 1361: authorized by Dave Jablonski, entered by Dave Jablonski on 06.01.1993, edited by Matthew Clapham

Creative Commons license: CC0 (CC0)

Taxonomic list

Bivalvia
 Arcida - Cucullaeidae
Pseudocucullaea lens Solger 1903 clam
 Arcida - Glycymerididae
Trigonarca angolensis Rennie 1929 clam
 Myalinida - Inoceramidae
"Inoceramus bantu" = Cataceramus bantu
"Inoceramus bantu" = Cataceramus bantu Heinz 1932 clam
 Pectinida - Plicatulidae
Plicatula ibo n. sp. Reyment 1955 scallop
 Carditida - Astartidae
Astarte awensis Woods 1911 clam
 Cardiida - Cardiidae
Cardium spp. Linnaeus 1758 cockle
Cardium subperobliquum Riedel 1933 cockle
 Cardiida - Arcticidae
Veniella undata Conrad 1852 clam
 Cardiida - Veneridae
Anofia aro n. gen. n. sp.
Anofia aro n. gen. n. sp. Reyment 1955 venus clam
Gastropoda
 Neogastropoda - Volutidae
 Sorbeoconcha - Aporrhaidae
Helicaulax cf. latealata Riedel 1933 snail