Cote 87: Early/Lower Callovian, Madagascar

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Macrocephalitidae
Kamptokephalites dimerus
Macrocephalites formosus
Macrocephalites charriensis
Cephalopoda - Ammonitida - Tulitidae
Lycetticeras cf. coma
synonym of Morrisiceras
Cephalopoda - Ammonitida - Perisphinctidae
Indosphinctes aff. urbanus
Choffatia baluchistanensis
Choffatia aff. recuperoi
Cephalopoda - Phylloceratida - Phylloceratidae
Holcophylloceras lodaiense
Cephalopoda - Belemnitida - Belemnopseidae
Belemnopsis cf. calloviensis
Bivalvia - Pholadida - Ceratomyidae
Ceromya concentrica (Sowerby 1825)
Bivalvia - Pectinida - Limidae
Lima impressa
Rhynchonellata - Rhynchonellida - Cyclothyrididae
Rhynchonella pseudoinconstans Kitchin 1900
recombined as Torquirhynchia pseudoinconstans
see common names

Coordinates: 16.0° South, 47.5° East (view map)
Paleocoordinates:24.3° South, 25.6° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Period:Jurassic Epoch:Middle Jurassic
Stage:Callovian 10 m.y. bin:Jurassic 5
Key time interval:Early/Lower Callovian
Age range of interval:164.70000 - 161.20000 m.y. ago
Stratigraphic resolution:bed
Stratigraphy comments: unit 2, 5 m thick
Lithology and environment
Primary lithology: lithified argillaceous "limestone"
Lithology description: marly limestone, conglomerate intercalation
Environment:marine indet.
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Database number:98121
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2010-09-21 00:44:37 Last modified:2010-09-21 03:44:37
Access level:the public Released:2010-09-21 00:44:37
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]