Malakialina, unit 5: Middle Callovian, Madagascar

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Oecoptychiidae
Oecoptychius refractus
Cephalopoda - Ammonitida - Reineckeiidae
Reineckeia delarochei
Reineckeia anceps (Reinecke 1818)
Cephalopoda - Ammonitida - Perisphinctidae
Obtusicostites bukmani
Obtusicostites obtusicosta (Waagen 1875)
Obtusicostites ushas Spath 1931
synonym of Obtusicostites obtusicosta
Hubertoceras ranaivoi
synonym of Obtusicostites
Kinkeliniceras kinkelini (Dacque 1910)
Grossouvria rjasanensis
synonym of Choffatia
Cephalopoda - Ammonitida - Aspidoceratidae
Parapeltoceras aff. oblungum
Cephalopoda - Ammonitida - Oppeliidae
Kheraites giraudi
Bonarellia fornix
Sindeites sindensis
Bivalvia - Ostreida - Palaeolophidae
Alectryonia gregarea (Sowerby 1816)
recombined as Actinostreon gregareum
Bivalvia - Nuculida - Nuculidae
Palaeonucula blanfordi
Palaeonucula cuneiformis (Sowerby 1840)
Rhynchonellata - Rhynchonellida - Tetrarhynchiidae
Rhynchonella fornix Kitchin 1900
recombined as Kallirhynchia fornix
Rhynchonella indica d'Orbigny 1847
recombined as Kutchirhynchia indica
Rhynchonellata - Rhynchonellida - Rhynchonellidae
Rhynchonella recticardinalis
Rhynchonella brevicostata
    = Rhynchonelloidella brevicostata
Kiessling 2009
Rhynchonellata - Terebratulida - Postepithyrididae
Terebratula dhosaensis Kitchin 1900
recombined as Kutchithyris dhosaensis
see common names

Coordinates: 16.7° South, 46.6° East (view map)
Paleocoordinates:24.4° South, 24.3° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
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:bed
Stratigraphy comments: unit 5, 30 m thick
Lithology and environment
Primary lithology: lithified marl
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:98127
Authorizer:W. Kiessling Enterer:U. Merkel, W. Kiessling
Research group:marine invertebrate
Created:2010-09-21 02:58:25 Last modified:2010-09-21 05:58:25
Access level:the public Released:2010-09-21 02:58:25
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]

Secondary references:

30388 W. Kiessling. 2009. Taxonomic vetting of messy data in the Paleobiology Database. [W. Kiessling/W. Kiessling]