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
Cephalopoda | |
Libycoceras afikpoense Reyment 1955 ammonite | |
Pachydiscus (Pachydiscus) egertoni Forbes 1846 ammonite | |
"Gaudryceras varicostatum" = Gaudryceras (Gaudryceras) varicostatum
"Gaudryceras varicostatum" = Gaudryceras (Gaudryceras) varicostatum van Hoepen 1921 ammonite | |
Baculites sp. Lamarck 1799 ammonite | |
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
| |
Pseudoxybeloceras (Parasolenoceras) aff. splendens Collignon 1969 ammonite |