Also known as Collignon gisement 4 &5 (M.C. 4 & 5)

Where: Mahajanga, Madagascar (16.6° S, 46.6° E: paleocoordinates 24.3° S, 24.4° E)

When: Macrocephalites chariensis et Notocephalites semilaevis ammonoid zone, Early/Lower Callovian (164.7 - 161.2 Ma)

Environment/lithology: marine; marl

Size class: macrofossils

Collected by M. Collignon in 1953

Primary reference: M. Collignon. 1958. Atlas des fossiles caractéristiques de Madagascar (Ammonites). Fascicule II (Bathonien, Callovien). Pl. VI-XXXIII. Figs 31-161 [P. Scofield/P. Scofield/P. Scofield]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 234109: authorized by Paul Scofield, entered by Paul Scofield on 18.03.2024

Creative Commons license: CC BY (attribution)