Malakialina, unit 3: Early/Lower Callovian, Madagascar

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Pseudomicromphalites kuntzi
Parecotraustes aff. serrigerus
Subbonarella cf. decipiens
Cephalopoda - Ammonitida - Macrocephalitidae
Kamptokephalites aff. lamellosus
Pleurocephalites elephantinus
Pleurocephalites besairiei
Pleurocephalites habyensis Spath 1928
Macrocephalites charriensis
Nothocephalites semilaevis
Indocephalites transitorius
Indocephalites sphaeroidalis
Indocephalites diadematus
Cephalopoda - Ammonitida - Parkinsoniidae
Parapatoceras calloviense
Cephalopoda - Ammonitida - Perisphinctidae
Indosphinctes aff. urbanus Spath 1931
Grossouvria cf. crassa (Siemiradzki 1894)
Choffatia aff. perdagata Waagen 1875
Choffatia balinensis (Neumayr 1871)
recombined as Homoeoplanulites balinensis
Sivajiceras perrobustum
Cephalopoda - Ammonitida - Oppeliidae
Alcidia obsoleta
Cephalopoda - Ammonitida - Lissoceratidae
Lissoceras aff. voultense (Oppel 1865)
Cephalopoda - Phylloceratida - Phylloceratidae
Ptychophylloceras flabellatum Neumayr 1871
Calliphylloceras disputabile (Zittel 1869)
Holcophylloceras mediterraneum (Neumayr 1871)
Cephalopoda - Nautilida - Paracenoceratidae
Paracenoceras kumagunense (Waagen 1873)
Cephalopoda - Nautilida - Cymatoceratidae
Procymatoceras intumescens (Waagen 1873)
Bivalvia - Nuculida - Nuculidae
Palaeonucula blanfordi
Bivalvia - Mytilida - Mytilidae
Brachidontes laitmairensis (de Loriol 1883)
recombined as Arcomytilus laitmairensis
Bivalvia - Ostreida - Gryphaeidae
Liostrea sandalina
Bivalvia - Ostreida - Palaeolophidae
Alectryonia gregarea (Sowerby 1816)
recombined as Actinostreon gregareum
Bivalvia - Pectinida - Limidae
Lima cf. complanata
Bivalvia - Arcida - Parallelodontidae
Grammatodon virgatus
Bivalvia - Pholadida - Ceratomyidae
Ceromya concentrica (Sowerby 1825)
Bivalvia - Megalodontida - Ceratomyopsidae
Ceromyopsis sarthacensis
replaced by Ceratomyopsis
Rhynchonellata - Rhynchonellida - Tetrarhynchiidae
Rhynchonella cf. concinna (Sowerby 1815)
var. kutchensis
    = Kutchirhynchia cf. concinna
Kiessling 2009
Rhynchonellata - Rhynchonellida - Cyclothyrididae
Rhynchonella pseudoinconstans Kitchin 1900
recombined as Torquirhynchia pseudoinconstans
Rhynchonellata - Rhynchonellida - Erymnariidae
Rhynchonella rugosa Kitchin 1900
recombined as Cryptorhynchia rugosa
Rhynchonellata - Terebratulida - Postepithyrididae
Terebratula katametopa Kitchin 1900
recombined as Kutchithyris katametopa
Terebratula acutiplicata Kitchin 1900
recombined as Kutchithyris acutiplicata
see common names

Geography
Country:Madagascar
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
Time
Period:Jurassic Epoch:Middle Jurassic
Stage:Callovian 10 m.y. bin:Jurassic 5
Key time interval:Early/Lower Callovian
Age range of interval:165.30000 - 161.50000 m.y. ago
Stratigraphy
Stratigraphic resolution:bed
Stratigraphy comments: unit 3, 10 m thick
Lithology and environment
Primary lithology: lithified marl
Secondary lithology: lithified "limestone"
Lithology description: marl with limestone banks
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:98126
Authorizer:W. Kiessling Enterer:U. Merkel, W. Kiessling
Research group:marine invertebrate
Created:2010-09-21 02:06:32 Last modified:2010-09-21 05:06:32
Access level:the public Released:2010-09-21 02:06:32
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]