Ankaramanga: Middle Callovian, Madagascar

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Macrocephalitidae
Nothocephalites semilaevis
Cephalopoda - Ammonitida - Schlotheimiidae
Encycloceras encyclum
synonym of Angulaticeras
Cephalopoda - Ammonitida - Perisphinctidae
Obtusicostites obtusicosta (Waagen 1875)
Kinkeliniceras aff. subwaageni
Kinkeliniceras cf. discoideum Spath 1931
synonym of Kinkeliniceras angygaster
Kinkeliniceras catillus Spath 1931
synonym of Kinkeliniceras angygaster
Klematosphinctes aff. precursor
Choffatia baluchistanensis
Grossouvria aff. calloviensis
synonym of Choffatia
Subgrossouvria gudjinsirensis
synonym of Choffatia
Cephalopoda - Ammonitida - Lytoceratidae
Thysanolytoceras adeloides (Kudernatsch 1852)
recombined as Lytoceras eudesianum adeloides
Cephalopoda - Ammonitida - Oppeliidae
Sublunuloceras aff. dynastes
spelled with current rank as Hecticoceras (Sublunuloceras)
Cephalopoda - Belemnitida - Belemnopseidae
Belemnopsis calloviensis
Bivalvia - Pholadida - Ceratomyidae
Ceromya concentrica (Sowerby 1825)
Bivalvia - Trigoniida - Trigoniidae
Trigonia elongata
Bivalvia - Ostreida - Palaeolophidae
Alectryonia gregarea (Sowerby 1816)
recombined as Actinostreon gregareum
Bivalvia - Pectinida - Limidae
Lima aff. strigillata Brocchi 1814
recombined as Limea strigillata
Bivalvia - Pectinida - Pectinidae
Eopecten aubryi (Douville 1886)
synonym of Eopecten velatus
Rhynchonellata - Rhynchonellida - Cyclothyrididae
Rhynchonella aff. badensis Oppel 1858
recombined as Praecyclothyris badensis
Rhynchonellata - Terebratulida - Lissajousithyrididae
Terebratula pelagica Rollier 1918
recombined as Pentithyris pelagica
Rhynchonellata - Terebratulida - Loboidothyrididae
Terebratula quillyensis Bayle 1879
recombined as Ptyctothyris quillyensis
Rhynchonellata - Terebratulida - Terebratulidae
Terebratula lamberti Douville 1886
see common names

Coordinates: 16.3° South, 47.3° East (view map)
Paleocoordinates:24.4° South, 25.2° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Period:Jurassic Epoch:Middle Jurassic
Stage:Callovian 10 m.y. bin:Jurassic 5
Key time interval:Middle Callovian
Age range of interval:164.70000 - 161.20000 m.y. ago
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: not reported
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:98124
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2010-09-21 01:18:24 Last modified:2010-09-21 04:18:24
Access level:the public Released:2010-09-21 01:18:24
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]