Where: Madagascar (22.9° S, 44.3° E: paleocoordinates 45.5° S, 21.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Acanthoplites bigoureti ammonoid zone, Late/Upper Aptian (122.5 - 113.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Preservation: cast, mold/impression

Collected by P. Hirtz in 1949

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 168092: authorized by Matthew Clapham, entered by Matthew Clapham on 16.04.2015

Creative Commons license: CC BY (attribution)