Plaisance Conglomerate, San Fernando Fm (Cretaceous of Trinidad and Tobago)

Where: Trinidad and Tobago (10.5° N, 61.3° W: paleocoordinates 4.2° N, 37.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Plaisance Conglomerate Member (San Fernando Formation), Early/Lower Turonian (93.5 - 89.3 Ma)

• STRATIGRAPHIC RELATIONS: From the Plaisance Conglomerate of the San Fernando Fm, for which lithostratigraphic relations are not discussed. AGE: Early Turonian. STRATIGRAPHIC POSITION: From loose boulder.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified conglomerate

• ENVIRONMENT: Not stated, but said to be facies which become euxinic, from a shale lateral equivalent.
• SPECIFIC LITHOLOGY: Conglomerate. LITHIFICATION: Lithified, on the basis of figured specimens and facies description.

Size class: macrofossils

Preservation: mold/impression

Collected by Kugler in 1936; reposited in the NMB

Collection methods: surface (in situ),

• COLLECTOR: H. Kugler. REPOSITORY: Museum of Natural History, Basel.

Primary reference: O. Renz. 1982. The Cretaceous ammonites of Venezuela 1-132 [A. Hendy/A. Hendy/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88082: authorized by Austin Hendy, entered by Austin Hendy on 31.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonites. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications.
Show authors, comments, and common names
Cephalopoda
 Ammonitida - Coilopoceratidae
Hoplitoides sp.
Hoplitoides sp. von Koenen 1898 ammonite
 Ammonitida - Acanthoceratidae
Benueites trinidadensis n. sp.
Benueites trinidadensis n. sp. Renz 1982 ammonite