Kachchh L 22 (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; lithified, ferruginous, silty, calcareous sandstone

• ferruginous, calcareous, silty, fine-grained sandstone, poorly sorted, with reworked angular to subangular clasts (2-1 cm on average)

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 Unpublished data from Kachchh.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 61886: authorized by Franz Fursich, entered by Franz Fursich on 06.07.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Belemnoidea -
Belemnoidea indet. Hyatt 1884 belemnite
originally entered as "Belemnoidea sp."
 Ammonoidea -
Ammonitida indet. Hyatt 1889 ammonite
originally entered as "Ammonitida sp."
Gastropoda
 Vetigastropoda - Discohelicidae
Discohelix sp. Dunker 1847 snail
Bivalvia
 Ostreida - Gryphaeidae
"Nanogyra nana" = Nanogyra (Nanogyra) nana
"Nanogyra nana" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster
 Ostreida - Palaeolophidae
 Pectinida - Entoliidae
Entolium (Entolium) corneolum Young and Bird 1828 scallop
(1) bored by bryozoan
 Pectinida - Limidae
Pseudolimea duplicata Sowerby 1814 file clam
 Pectinida - Anomiidae
Placunopsis socialis Morris and Lycett 1853 scallop
 Pectinida - Dimyidae
Atreta sp. Etallon 1862 scallop
bored by bryozoans
 Pectinida - Pectinoidae
Camptonectes (Camptonectes) auritus Schlotheim 1813 scallop
"Chlamys (Chlamys) textoria" = Chlamys textoria Schlotheim 1820 scallop
 Carditida - Astartidae
Astartidae indet. d'Orbigny 1844 clam
Rhynchonellata
 Rhynchonellida - Prionorhynchiidae
"Rhynchonella cf. asymmetrica" = Sphenorhynchia asymmetrica
"Rhynchonella cf. asymmetrica" = Sphenorhynchia asymmetrica Kitchin 1897
 Rhynchonellida - Rhynchonellidae
Rhynchonelloidella brevicostata
bored by bryoz. (2)
 Rhynchonellida - Basiliolidae
 Terebratulida -
 Terebratulida - Postepithyrididae
"Kutchithyris aurata" = Kutchithyris propinqua Kitchin 1900
juveniles
"Terebratula cf. breviplicata" = Kutchithyris breviplicata Kitchin 1900
Kutchithyris dhosaensis Kitchin 1900
brachiopods often forming clusters
Polychaeta
 Sabellida - Serpulidae
Dorsoserpula sp. Parsch 1956
 Serpulimorpha -
Cycloserpula sp. Parsch 1956