Arofu (Turonian limestone) (Cretaceous of Nigeria)

Also known as Arufu

Where: Nigeria (7.8° N, 9.3° E: paleocoordinates 6.5° S, 1.4° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Early/Lower Turonian (93.5 - 89.3 Ma)

• STRATIGRAPHIC RELATIONS: From the unnamed lithostratigraphic unit. AGE: Early Turonian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within the unit.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

• ENVIRONMENT: Presumably an shallow siliciclastic marine facies.
• SPECIFIC LITHOLOGY: Not stated, but most probably a siliciclastic facies. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression

Collected by J.D. Falconer; reposited in the BMNH

• COLLECTOR: J.D. Falconer. REPOSITORY: BMNH, London

Primary reference: L. F. Spath. 1928. The Albian Ammonoidea of Nigeria. The Nigerian Coalfield. Section II. Parts of Onitsha and Owerri Provinces. Geological Survey of Nigeria Bulletin 12:51-54 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 82775: authorized by Austin Hendy, entered by Austin Hendy on 01.08.2008, edited by Matthew Clapham

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
 Ammonitida - Pseudotissotiidae