Baonamary M4, Majunga, Madagascar (Cretaceous of Madagascar)

Also known as KT 100

Where: Madagascar (15.8° S, 46.3° E: paleocoordinates 29.7° S, 38.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, argillaceous limestone

• 100-200 m water depth estimated
• Strongly marly limestone. Clay content increasing upsection.

Size class: macrofossils

Preservation: original calcite

Collection methods: bulk, mechanical,

• Echinids, ostracods, foraminifers, and bivalves reported but not listed

Primary reference: K. Brood. 1976. Cyclostomatous Bryozoa from the Paleocene and Maastrichtian of Majunga basin Madagascar. Géobios 9(4):393-408 [W. Kiessling/W. Kiessling/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 22986: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 06.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• Only Bryozoans
Show authors, comments, and common names
Stenolaemata
 Cyclostomata -
Cyclostomata indet., Serpentipora parvipora
 Cyclostomata - Oncousoeciidae
Filisparsa majungensis
 Cyclostomata - Tubuliporidae
Crisisina carinata
 Cyclostomata - Diastoporidae
Diastopora madagascarensis
 Cyclostomata - Entalophoridae
Pustulopora virgula, Pustulopora variabilis, Pustulopora transversorugosa
 Cyclostomata -
Pseudotervia delicatula
 Cyclostomata - Lichenoporidae
Lichenopora betsibokensis n. sp.
 Cyclostomata - Crisinidae
Crisina cancellata
 Cyclostomata - Heteroporidae
Canalipora cylindrica
Gymnolaemata
 Cheilostomata -
Cheilostomata indet.