Lokpanta, northerly cutting [Eze-Aku Fm] (Cretaceous of Nigeria)

Where: Nigeria (6.0° N, 7.5° E: paleocoordinates 7.9° S, 0.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Mammites nodosoides ammonoid zone, Eze-Aku Formation, Early/Lower Turonian (93.5 - 89.3 Ma)

• Mammites nodosoides Zone; lower Turonian

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, black, sandy, calcareous shale

• '...In the most northerly of these cuttings 10-12 m of black, weathering sandy yellow, shales with large calcareous nodules contain an ammonite fauna of...'

Size class: macrofossils

Preservation: mold/impression

Collected by Zaborski; reposited in the BMNH

• specimens in the Department of Paleontology, British Museum (Natural History), London; probably own field collection

Primary reference: P. M. P. Zaborski. 1987. Lower Turonian (Cretaceous) ammonites from south-east Nigeria. Bull. Br. Mus. nat. Hist. (Geol.) 41(2):31-66 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 69503: authorized by Martin Aberhan, entered by Sabine Nürnberg on 27.02.2007, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to ammonoids described in text. NOMENCLATURE: Authoritative publication, with modern nomenclature and species-resolution identifications.
Cephalopoda
 Ammonitida - Desmoceratidae
Pachydesmoceras denisonianum Stoliczka 1865 ammonite
 Ammonitida - Vascoceratidae
"Fagesia levis" = Fagesia peroni Pervinquiére 1907 ammonite
29 specimens + six specimens which may belong to the same species
Neoptychites cephalotus Courtiller 1860 ammonite
Vascoceras venezolanum Renz 1982 ammonite
 Ammonitida - Acanthoceratidae
Mammites nodosoides Schlüter 1871 ammonite
Paramammites polymorphus Pervinquiére 1907 ammonite
Kamerunoceras puebloense Cobban and Scott 1972 ammonite
four specimens + two specimens which may belong to the same species
 Ammonitida - Pseudotissotidae
"? Herrickiceras sp." = Wrightoceras
"? Herrickiceras sp." = Wrightoceras Reyment 1954 ammonite
 Ammonitida - Coilopoceratidae
Hoplitoides latefundatus Zaborski 1987 ammonite
 Phylloceratida - Phylloceratidae