Fauna 11, 35.5-36.3 km from Calabar, south-east Nigeria (Cretaceous of Nigeria)

Where: Nigeria (5.2° N, 8.2° E: paleocoordinates 7.2° S, 1.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Nkporo Shale Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

• basal Nkporo Shale

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified shale

Size class: macrofossils

Preservation: mold/impression

Collection methods: specimens in the Department of Palaeontology, British Museum (Natural History), London, and in the Department of Geology, University of Ilorin, Nigeria; probably own field collection

Primary reference: P. M. P. Zaborski. 1982. Campanian and Maastrichtian sphenodiscid ammonites from southern Nigeria. Bull. Br. Mus. nat. Hist. (Geol.) 36(4):303-332 [M. Aberhan/S. Nurnberg]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 69626: authorized by Martin Aberhan, entered by Sabine Nürnberg on 01.03.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• Focus on ammonites.
Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus lobatus Tuomey 1856 ammonite
S. lobatus lobatus
Libycoceras afikpoense Reyment 1955 ammonite
 Ammonitida - Pachydiscidae
 Ammonitida - Tetragonitidae
"Gaudryceras varicostatum" = Gaudryceras (Gaudryceras) varicostatum
"Gaudryceras varicostatum" = Gaudryceras (Gaudryceras) varicostatum van Hoepen 1921 ammonite
 Ammonitida - Baculitidae
Baculites sp. Lamarck 1799 ammonite
 Ammonitida - Nostoceratidae
Didymoceras aff. cheyennense Meek and Hayden 1856 ammonite
Didymoceras aff. hornbyense Whiteaves 1876 ammonite
6 specimens + four specimens which probably belong to the same species
 Ammonitida - Diplomoceratidae