Loc. 63, Belohasifaka, Marovoay (Cretaceous of Madagascar)

Where: Madagascar (16.1° S, 46.6° E: paleocoordinates 39.9° S, 27.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Acanthoplites bigoureti ammonoid zone, Late/Upper Aptian (122.5 - 112.0 Ma)

• STRATIGRAPHIC RELATIONS: From unknown lithostratigraphic unit. AGE: Late Aptian; Acanthoplites bigoureti zone. STRATIGRAPHIC POSITION: From unknown position within local section.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

• SPECIFIC LITHOLOGY: Not stated in text. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression

Collected by Collignon in 1953

Collection methods: surface (in situ),

• COLLECTOR: M. Collignon, 1953. REPOSITORY: Not stated in text.

Primary reference: M. Collignon. 1962. Atlas des fossiles caractéristiques de Madagascar (Ammonites). Fascicule IX (Aptien). Service Géologique Tananarive 1-64 [A. Hendy/A. Hendy/L. Bulot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 83998: authorized by Austin Hendy, entered by Austin Hendy on 14.09.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for Ammonoidea. Other groups may be present, but aren't reported in this publication. NOMENCLATURE: Somewhat antiquated publication, but authoritative, and with species-resolution identifications.
Cephalopoda
 Ammonitida - Ptychoceratidae
 Ammonitida - Heteroceratidae
Heteroceras (Argvethites) vohimaranitraensis n. sp. Collignon 1962 ammonite
 Ammonitida - Acanthohoplitidae
Colombiceras strangulatum n. sp. Collignon 1962 ammonite
Acanthoplites belohasifakaensis Collignon 1962 ammonite