ammonites
Ankotrofotsy-Masiadolo (Cretaceous of Madagascar)

Also known as Reef 2612

Where: Mahajanga, Madagascar (18.7° S, 44.5° E: paleocoordinates 37.5° S, 35.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Coniacian (89.3 - 85.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: J. Alloiteau. 1958. Monographie des madreporaires fossiles de Madagascar [Monograph of fossil corals from Madagascar]. Annales Geologiques de Madagascar 25:1-218 [W. Kiessling/U. Merkel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 86510: authorized by Wolfgang Kiessling, entered by Uta Merkel on 05.02.2009