3 miles north of Odukpani (Shell D'Arcy collection) (Cretaceous of Nigeria)

Where: Nigeria (5.1° N, 8.3° E: paleocoordinates 10.2° S, 0.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Odukpani Formation, Late/Upper Cenomanian (99.6 - 93.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Odukpani Fm, which unconformably overlies Precambrian basement. AGE: Cenomanian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From near the base of the unit.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

• ENVIRONMENT: Not reported in text.
• SPECIFIC LITHOLOGY: Not specifically reported. Could be from a range of carbonate or siliciclastic facies. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression

Collected by J.P. Studer, D. Watt

• COLLECTOR: J. P. Studer. REPOSITORY: N.V. Bataafsche Petroleum Maatschappij, The Hague, Netherlands.

Primary reference: R. A. Reyment. 1955. The Cretaceous Ammonoidea of southern Nigeria and the southern Cameroons. Geological Survey of Nigeria Bulletin 25:1-112 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 82730: authorized by Austin Hendy, entered by Austin Hendy on 31.07.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for Ammonoidea. NOMENCLATURE: Authoritative publication, but with somewhat antiquated nomenclature. Mostly identified to species resolution.
Cephalopoda
 Phylloceratida - Phylloceratidae
"Phylloceras cf. velledae" = Phylloceras (Hypophylloceras) velledae
"Phylloceras cf. velledae" = Phylloceras (Hypophylloceras) velledae Michelin 1834 ammonite
 Ammonitida - Turrilitidae
"Turrilites (Euturrilites) scheuchzerianus" = Turrilites scheuchzerianus
"Turrilites (Euturrilites) scheuchzerianus" = Turrilites scheuchzerianus Bosc 1801 ammonite
 Ammonitida - Acanthoceratidae
Metoicoceras sp., "Metoicoceras aff. ornatum" = Metoicoceras gibbosum
Metoicoceras sp. Hyatt 1903 ammonite
"Metoicoceras aff. ornatum" = Metoicoceras gibbosum Hyatt 1903 ammonite