Kachchh K 27a (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, shelly/skeletal, calcareous siltstone

• ferruginous, calcareous siltstone, shelly

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 Unpublished data from Kachchh.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 68596: authorized by Franz Fursich, entered by Manja Hethke on 29.01.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Isocrinida - Pentacrinitidae
Pentacrinites sp. Blumenbach 1804 Sea lily
 Isocrinida - Isocrinidae
"Isocrinites sp." = Isocrinus
"Isocrinites sp." = Isocrinus von Meyer 1836 Sea lily
Cephalopoda
 Belemnoidea -
Belemnoidea indet. Hyatt 1884 belemnite
bored (1)
Bivalvia
 Mytilida - Mytilidae
Arcomytilus laitmairensis de Loriol 1883 mussel
 Pectinida - Limidae
Ctenostreon proboscideum Sowerby 1820 file clam
Plagiostoma sp. Sowerby 1814 file clam
 Pectinida - Pectinoidae
"Chlamys (Chlamys) textoria" = Chlamys textoria Schlotheim 1820 scallop
encr. (2)
Eopecten velatus Goldfuss 1833 scallop
Spondylus sp. Linnaeus 1758 scallop
 Ostreida - Gryphaeidae
Liostrea sp. Douvillé 1904 oyster
encr. (3)
Gryphaea (Bilobissa) alimena oyster
bored (1)
"Nanogyra nana" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster
encr. (1), bored (3)
 Ostreida - Palaeolophidae
Actinostreon gregareum Sowerby 1816 oyster
bored (5), encr. (3)
Actinostreon marshi Sowerby 1814 oyster
bored (6), encr. (7)
 Trigoniida - Trigoniidae
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
Rhynchonella sp. Fischer 1809