Androtsy River: Middle Callovian, Madagascar

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Phylloceratida - Phylloceratidae
Ptychophylloceras vivaricum
Cephalopoda - Ammonitida - Perisphinctidae
Choffatia aurita
Grossouvria aff. leptoides
Indosphinctes sp. Spath 1930
Obtusicostites sp.
Obtusicostites ushas Spath 1931
Sivajiceras sp.
Kinkeliniceras aff. anygaster
Kinkeliniceras aff. varuna Spath 1931
Kinkeliniceras catillus Spath 1931
Kinkeliniceras indra Spath 1931
Subgrossouvria sp.
Cephalopoda - Ammonitida - Macrocephalitidae
Eucycloceras eucyclum
Eucycloceras pilgrimi
Subkossmatia bassei
Cephalopoda - Ammonitida - Oppeliidae
Sublunuloceras dynastes
see common names

Geography
Country:Madagascar
Coordinates: 20.6° South, 45.0° East (view map)
Paleocoordinates:26.7° South, 20.4° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Jurassic Epoch: Middle Jurassic
Stage: Callovian 10 m.y. bin: Jurassic 5
Key time interval: Middle Callovian
Age range of interval: 165.3 - 161.5 m.y. ago
Stratigraphy
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:98173
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2010-09-23 01:31:10 Last modified:2010-09-23 04:31:10
Access level:the public Released:2010-09-23 01:31:10
Creative Commons license:CC BY
Reference information

Primary reference:
8015.PGAP 1022H. Besairie and M. Collignon. 1972. Geologie de Madagascar I. Les Terrains Sedimentaires. Annales Geologiques de Madagascar 35:1-463 [A. Rees/A. Rees]