Amparambato: Early/Lower Callovian, Madagascar

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Cytheropleron sp.
Fastigatocythere (Batella) falcula
Fastigatocythere (Fastigatocythere) trisulcata
Trichordis (Paratrichordis) dexeva
Trichordis (Trichordis) praetexta
Bivalvia - Mytilida - Mytilidae
Arcomytilus sp. Agassiz 1843
Bivalvia - Arcida - Parallelodontidae
Indogrammatodon sp. Cox 1937
spelled with current rank as Grammatodon (Indogrammatodon)
Grammatodon (Cosmetodon) sp. Branson 1942
spelled with current rank as Cosmetodon
Bivalvia - Ostreida - Eligmidae
Eligmus sp. Eudes-Deslongchampes 1856
Bivalvia - Ostreida - Gryphaeidae
Gryphaea sp. Lamarck 1801
Liostrea sp. Douvillé 1904
Bivalvia - Ostreida - Palaeolophidae
Actinostreon sp. (Bayle 1878)
original and current combination Lopha (Actinostreon)
Bivalvia - Ostreida - Pinnidae
Pinna sp. Linnaeus 1758
Bivalvia - Ostreida - Bakevelliidae
Gervillella sp. Waagen 1907
Bivalvia - Pectinida - Neitheidae
Weyla sp. Böhm 1920
Bivalvia - Pectinida - Limidae
Plagiostoma sp. Sowerby 1814
Ctenostreon sp. Eichwald 1862
Pseudolimea sp. Douglas and Arkell 1932
Bivalvia - Carditida - Astartidae
Nicaniella sp. Chavan 1945
Coelastarte sp. (Boehm 1893)
reassigned as Neocrassina (Coelastarte)
Bivalvia - Lucinida - Lucinidae
Sphaera sp. Sowerby 1822
Bivalvia - Lucinida - Mactromyidae
Mactromya sp. Agassiz 1843
Bivalvia - Pholadida - Pleuromyidae
Pleuromya sp. (Meek 1873)
original and current combination Myacites (Pleuromya)
Bivalvia - Pholadida - Ceratomyidae
Ceratomya sp. Sandberger 1864
Bivalvia - Cardiida - Cardiidae
Protocardia sp. (Beyrich 1845)
Bivalvia - Megalodontida - Ceratomyopsidae
Ceratomyopsis sp. Cossmann 1915
Bivalvia - Pholadomyida - Pholadomyidae
Pholadomya (Pholadomya) sp. Sowerby 1823
Pholadomya (Bucardiomya) sp. (Rollier 1912)
Homomya sp. Agassiz 1843
Bivalvia - Trigoniida - Trigoniidae
Trigonia sp. Bruguière 1789
Bivalvia - Trigoniida - Myophorellidae
Vaugonia (Orthotrigonia) sp. Crickmay 1930
Bivalvia - Nuculida - Nuculidae
Palaeonucula sp. Quenstedt 1930
Ostracoda
Fastigatocythere (Amicytheridea) globosa
Fastigatocythere (Amicytheridea) triangulata
Ostracoda - Platycopida - Cytherellidae
Cytherella informal sp. 1 Jones 1849
Ostracoda - Podocopida - Candonidae
Paracypris sp. Sars 1866
Ostracoda - Podocopida - Cytheruridae
Acrocythere (Diacrocythere) oculata
Ostracoda - Podocopida - Progonocytheridae
? Procytheridea informal sp. 1
? Procytheridea informal sp. 2
Ostracoda - Podocopida
Majungaella mundula
see common names

Geography
Country:Madagascar
Coordinates: 23.0° South, 44.4° East (view map)
Paleocoordinates:28.3° South, 18.4° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
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:group of beds
Lithology and environment
Primary lithology: lithified sandstone
Secondary lithology: lithified marl
Lithology description: marls and well-sorted sandstones
Environment:coastal indet.
Geology comments: shoreface to shallow middle/outer shelf
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,microfossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:101718
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:U. Merkel Research group:marine invertebrate,micropaleontology
Created:2010-12-30 21:10:54 Last modified:2010-12-30 04:11:29
Access level:the public Released:2010-12-30 21:10:54
Creative Commons license:CC BY
Reference information

Primary reference:
34610. W. Mette. 2004. Middle to Upper Jurassic sedimentary sequences and marine biota of the early Indian Ocean (SW Madagascar): some biostratigraphic, palaeoecologic and palaeobiogeographic conclusions. Journal of African Earth Sciences 38:331-342 [W. Kiessling/U. Merkel]