Kachchh K 22a (Jurassic of India)

Where: India (23.5° N, 70.5° E: paleocoordinates 24.1° S, 33.1° E)

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

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, silty packstone

• 3-5 cm silty biomicrite

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 Unpublished data from Kachchh.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 63068: authorized by Franz Fursich, entered by Franz Fursich on 04.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Polychaeta
 Serpulimorpha -
Tetraserpula sp. Parsch 1956
Bivalvia
 Pectinida - Pectinoidae
 Pectinida - Limidae
Pseudolimea duplicata Sowerby 1814 file clam
 Ostreida - Gryphaeidae
Liostrea sp. Douvillé 1904 oyster
"Nanogyra nana" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster
 Ostreida - Palaeolophidae
Actinostreon gregareum Sowerby 1816 oyster
 Carditida - Astartidae
 Pholadida - Corbulidae
Corbulomima macneillii Morris 1900 clam
 Heterodonta -
Heterodonta indet. Ameghino 1889 clam
 Trigoniida - Myophorelloidae
 Nuculida - Nuculidae
Palaeonucula cuneiformis Sowerby 1840 nut clam
Nuculoma wynnei nut clam
 Protobranchia - Nuculanidae
Mesosaccella indica, "Dacryomya lacryma" = Leda lacryma
Mesosaccella indica pointed nut clam
"Dacryomya lacryma" = Leda lacryma Sowerby 1824 pointed nut clam
Cephalopoda
 Belemnoidea -
Belemnoidea indet. Hyatt 1884 belemnite
originally entered as "Belemnoidea sp."