Maromandia (Jurassic of Madagascar)

Where: Madagascar (14.2° S, 48.1° E: paleocoordinates 23.1° S, 27.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Callovian (164.7 - 161.2 Ma)

• unit 1

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, argillaceous sandstone

Size class: macrofossils

Primary reference: H. Besairie and M. Collignon. 1972. Geologie de Madagascar I. Les Terrains Sedimentaires. Annales Geologiques de Madagascar 35:1-463 [A. Rees/A. Rees]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 98095: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.09.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Rhynchonellida - Cyclothyrididae
"Rhynchonella pseudoinconstans" = Torquirhynchia pseudoinconstans
"Rhynchonella pseudoinconstans" = Torquirhynchia pseudoinconstans Kitchin 1900
Bivalvia
 Nuculida - Nuculidae
 Mytilida - Mytilidae
 Pectinida - Plicatulidae
 Ostreida - Palaeolophidae
"Alectryonia gregarea" = Actinostreon gregareum
"Alectryonia gregarea" = Actinostreon gregareum Sowerby 1816 oyster
Cephalopoda
 Belemnitida - Mesohibolitidae
"Belemnopsis calloviensis" = Pachybelemnopsis canaliculatus
"Belemnopsis calloviensis" = Pachybelemnopsis canaliculatus Schlotheim 1820 belemnite
 Ammonitida - Macrocephalitidae
Macrocephalites sp. Zittel 1884 ammonite