Tiv Division, Uomba River (Shell D'Arcy collection) (Cretaceous of Nigeria)

Where: Nigeria (8.0° N, 8.7° E: paleocoordinates 7.3° S, 0.0° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Uomba Formation, Middle Albian (109.0 - 105.3 Ma)

• STRATIGRAPHIC RELATIONS: From the sandstones and shales of the Tiv Divsion. AGE: Middle of the Middle Albian, zone 1, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: Middle of the Middle Albian.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone and lithified shale

• ENVIRONMENT: Not reported in text.
• SPECIFIC LITHOLOGY: Sandstones and shales. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression

Collected by R. Blaser

• COLLECTOR: R. Blaser, Shell D'Arcy. REPOSITORY: N.V. De Bataafsche Petroleum Maatschappij, The Hague

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 82738: 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.
Show authors, comments, and common names
Cephalopoda
 Ammonitida - Mojsisovicsiidae
Oxytropidoceras (Manuaniceras) aff. applanatum, Oxytropidoceras (Manuaniceras) aff. ornatum, Oxytropidoceras (Androiavites) cf. besairiei, Oxytropidoceras (Androiavites) aff. paucituberculatum