Kachchh L 15a (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, argillaceous siltstone

• argillaceous silt with thin layers of shell hash

Size class: macrofossils

Preservation: 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 Unpublished data from Kachchh.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 68394: authorized by Franz Fursich, entered by Manja Hethke on 19.01.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonoidea -
Ammonitida indet. Hyatt 1889 ammonite
Bivalvia
 Pterioida -
"Cingentolium (Cingentolium) partitum" = Costentolium partitum
"Cingentolium (Cingentolium) partitum" = Costentolium partitum Sowerby 1840 clam
 Arcida - Parallelodontidae
 Ostreida - Posidoniidae
Bositra buchi Roemer 1836 oyster
occurs in thin layers, some tiny
 Ostreida - Gryphaeidae
"Nanogyra nana" = Nanogyra (Nanogyra) nana
"Nanogyra nana" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster
 Carditida - Astartidae
 Trigoniida - Trigoniidae
Trigonia (Trigonia) sp. Bruguiere 1789 clam
 Nuculanida - Nuculanidae
Mesosaccella indica pointed nut clam
Praesaccella juriana pointed nut clam