Also known as Collignon gisement 54

Where: Boeny, Madagascar (16.6° S, 45.6° E: paleocoordinates 23.8° S, 23.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Macrocephalites triangularis ammonoid zone, Early/Lower Callovian (164.7 - 161.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, brown marl

Size class: macrofossils

Collected by M. Collignon in 1953

Primary reference: B. Joly. 1976. Les Phylloceratidae malgaches au Jurassique. Généralités sur les Phylloceratidae et quelques Juraphyllitidae. Travaux et Documents des Laboratoires de Géologie de Lyon Année 67:1-59 [P. Scofield/P. Scofield]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 234097: authorized by Paul Scofield, entered by Paul Scofield on 16.03.2024

Creative Commons license: CC BY (attribution)