Kachchh H 41 (Jurassic of India)

Where: India (23.5° N, 70.5° E: paleocoordinates 23.8° S, 33.2° E)

When: Chari Formation, Callovian (166.1 - 163.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: offshore; unlithified, concretionary, argillaceous siltstone

• argillaceous silt with siltstone concretions

Size class: macrofossils

Preservation: concretion, original calcite, replaced with calcite

Collection methods: bulk, mechanical,

Primary reference: F.T. Fürsich. 2006. Unpublished data from Kachchh. [F. Fursich/F. Fursich/F. Fursich]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 68551: authorized by Franz Fursich, entered by Manja Hethke on 26.01.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonoidea -
Ammonitida indet. Hyatt 1889 ammonite
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell
Bivalvia
 Pterioida -
"Cingentolium (Cingentolium) partitum" = Costentolium partitum
"Cingentolium (Cingentolium) partitum" = Costentolium partitum Sowerby 1840 clam
some quite small
 Pectinida - Limidae
Pseudolimea duplicata Sowerby 1814 file clam
 Ostreida - Pteriidae
Pteria cf. pygmaea pearl oyster
 Ostreida - Posidoniidae
Bositra buchi Roemer 1836 oyster
small, 3-4 mm
 Arcida - Parallelodontidae
"Indogrammatodon virgatus" = Grammatodon (Indogrammatodon)
"Indogrammatodon virgatus" = Grammatodon (Indogrammatodon) clam
small
 Pholadomyida - Pholadomyidae
Pholadomya (Bucardiomya) lirata Sowerby 1818 clam
in life pos. (1)
 Pholadida - Corbulidae
Corbulomima macneillii Morris 1900 clam
 Cardiida - Cardiidae
 Carditida - Astartidae
 Nuculanida - Nuculanidae
Mesosaccella indica pointed nut clam
Praesaccella juriana pointed nut clam
Praesaccella calloviensis pointed nut clam
 Nuculida - Nuculidae
Palaeonucula cuneiformis Sowerby 1840 nut clam