Ihopy (Jurassic of Madagascar)

Where: Madagascar (16.6° S, 45.8° E: paleocoordinates 23.8° S, 23.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Middle Callovian (164.7 - 161.2 Ma)

• unit 2, 20 m thick

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified marl and lithified limestone

• marl with marly limestone intercalations

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 98157: authorized by Wolfgang Kiessling, entered by Uta Merkel on 22.09.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Perisphinctidae
Subgrossouvria gudjinsirensis Waagen 1875 ammonite
"Choffatia balinensis" = Homoeoplanulites balinensis Neumayr 1871 ammonite
Sivajiceras sp. ammonite
"Kinkeliniceras ex gr. varuna" = Kinkeliniceras angygaster Waagen 1875 ammonite
 Ammonitida - Reineckeiidae
Reineckeia anceps Reinecke 1818 ammonite
"Reineckeia rehmanni" = Rehmannia rehmanni Oppel 1862 ammonite
 Ammonitida - Lytoceratidae
"Thysanolytoceras adeloides" = Lytoceras eudesianum adeloides
"Thysanolytoceras adeloides" = Lytoceras eudesianum adeloides Kudernatsch 1852 ammonite
 Ammonitida - Oppeliidae
Ankobites saintoursi Collignon 1958 ammonite
"Bonarellia fornix" = Chanasia fornix Sowerby 1840 ammonite
Bonarellia ratoariveloi Collignon 1958 ammonite
 Phylloceratida - Phylloceratidae
Calliphylloceras disputabile Zittel 1869 ammonite
Bivalvia
 Nuculida - Nuculidae