Amparambato (Jurassic of Madagascar)

Where: Madagascar (23.0° S, 44.4° E: paleocoordinates 28.3° S, 18.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Callovian (164.7 - 161.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified sandstone and lithified marl

• shoreface to shallow middle/outer shelf
• marls and well-sorted sandstones

Size classes: macrofossils, microfossils

Primary reference: 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]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 101718: authorized by Wolfgang Kiessling, entered by Uta Merkel on 30.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Cytheropleron sp., Fastigatocythere (Batella) falcula, Fastigatocythere (Fastigatocythere) trisulcata, Trichordis (Paratrichordis) dexeva, Trichordis (Trichordis) praetexta
Bivalvia
 Nuculida - Nuculidae
Palaeonucula sp.
Palaeonucula sp. Quenstedt 1930 nut clam
 Mytilida - Mytilidae
Arcomytilus sp.
Arcomytilus sp. Agassiz 1843 mussel
 Pectinida - Neitheoidae
Weyla sp.
Weyla sp. Böhm 1920 scallop
 Pectinida - Limidae
Pseudolimea sp., Plagiostoma sp., Ctenostreon sp.
Pseudolimea sp. Douglas and Arkell 1932 file clam
Plagiostoma sp. Sowerby 1814 file clam
Ctenostreon sp. Eichwald 1862 file clam
 Ostreida - Bakevelliidae
Gervillella sp.
Gervillella sp. Waagen 1907 oyster
 Ostreida - Pinnidae
Pinna sp.
Pinna sp. Linnaeus 1758 oyster
 Ostreida - Palaeolophidae
Actinostreon sp.
Actinostreon sp. Bayle 1878 oyster
 Ostreida - Eligmidae
Eligmus sp.
Eligmus sp. Eudes-Deslongchampes 1856 oyster
 Ostreida - Gryphaeidae
Liostrea sp., Gryphaea sp.
Liostrea sp. Douvillé 1904 oyster
Gryphaea sp. Lamarck 1801 oyster
 Arcida - Parallelodontidae
"Indogrammatodon sp." = Grammatodon (Indogrammatodon), "Grammatodon (Cosmetodon) sp." = Cosmetodon
"Indogrammatodon sp." = Grammatodon (Indogrammatodon) Cox 1937 clam
"Grammatodon (Cosmetodon) sp." = Cosmetodon Branson 1942 clam
 Cardiida - Cardiidae
Protocardia sp.
Protocardia sp. Beyrich 1845 cockle
 Megalodontida - Ceratomyopsidae
Ceratomyopsis sp.
Ceratomyopsis sp. Cossmann 1915 clam
 Pholadida - Pleuromyidae
Pleuromya sp.
Pleuromya sp. Meek 1873 clam
 Pholadida - Ceratomyidae
Ceratomya sp.
Ceratomya sp. Sandberger 1864 clam
 Pholadomyida - Pholadomyidae
Pholadomya (Bucardiomya) sp., Pholadomya (Pholadomya) sp., Homomya sp.
Pholadomya (Pholadomya) sp. Sowerby 1823 clam
Homomya sp. Agassiz 1843 clam
 Lucinida - Mactromyidae
Mactromya sp.
Mactromya sp. Agassiz 1843 clam
 Lucinida - Lucinidae
Sphaera sp.
Sphaera sp. Sowerby 1822 clam
 Carditida - Astartidae
Nicaniella sp., Coelastarte sp.
Nicaniella sp. Chavan 1945 clam
Coelastarte sp. Boehm 1893 clam
 Trigoniida - Trigoniidae
Trigonia sp.
Trigonia sp. Bruguière 1789 clam
 Trigoniida - Myophorelloidae
Vaugonia (Orthotrigonia) sp.
Vaugonia (Orthotrigonia) sp. Crickmay 1930 clam
Ostracoda
  -
Fastigatocythere (Amicytheridea) globosa, Fastigatocythere (Amicytheridea) triangulata
 Podocopida - Progonocytheridae
? Procytheridea "sp. 1", ? Procytheridea "sp. 2"
 Podocopida -
Majungaella mundula
 Podocopida - Candonidae
Paracypris sp.
Paracypris sp. Sars 1866 ostracod
 Podocopida - Cytheruridae
Acrocythere (Diacrocythere) oculata
 Platycopida - Cytherellidae
Cytherella "sp. 1"
Cytherella "sp. 1" Jones 1849 ostracod