Habo (=Chari) beds east of Ler, Central Unit, Bed 2, Kutch (Jurassic of India)

Where: India (23.2° N, 69.8° E: paleocoordinates 23.2° S, 32.7° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Habo beds Formation, Callovian (166.1 - 163.5 Ma)

• bed No. 2 corresponds to Athleta Beds; the present authors assign this bed to Callovian

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

• no information given

Size class: macrofossils

Collection methods: focus on ammonoids and bivalves

Primary reference: S. K. Agrawal and R. P. Kachhara. 1979. Habo Beds near Ler (Kutch): Pt. 3 - Biostratigraphy of the beds on the east of Ler. Proceedings of the Indian National Science Academy, Part A: Physical Sciences 45(2):129-146 [M. Aberhan/S. Nurnberg]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 68657: authorized by Martin Aberhan, entered by Sabine Nürnberg on 01.02.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• The rich collection of megafossils from the east of Ler consists of over 1800 specimens of bivalves and 600 of ammonoids. About 300 individuals of the former and 360 of the latter have been left out due to their bad preservation.
Cephalopoda
 Phylloceratida - Phylloceratidae
 Ammonitida - Reineckeiidae
 Ammonitida - Pachyceratidae
Pachyceras sp. Bayle 1878 ammonite
sp. nov.
 Ammonitida - Perisphinctidae
"Obtusicostites sp." = Obtusicostites, "Hubertoceras aff. hubertus" = Obtusicostites devi, "Hubertoceras sp." = Obtusicostites, "Hubertoceras omphalodes" = Obtusicostites, "Obtusicostites obtusicosta" = Obtusicostites obtusicosta, "Obtusicostites buckmani" = Obtusicostites obtusicosta, "Obtusicostites aff. ushas" = Obtusicostites obtusicosta, Kinkeliniceras sp., Kinkeliniceras "sp. A", Kinkeliniceras angygaster, Alligaticeras sp., Binatisphinctes sp., "Grossouvria sp." = Choffatia
"Obtusicostites sp." = Obtusicostites ammonite
"Hubertoceras aff. hubertus" = Obtusicostites devi Spath 1931 ammonite
"Hubertoceras sp." = Obtusicostites ammonite
sp. nov.
"Hubertoceras omphalodes" = Obtusicostites ammonite
"Obtusicostites obtusicosta" = Obtusicostites obtusicosta Waagen 1875 ammonite
"Obtusicostites buckmani" = Obtusicostites obtusicosta Waagen 1875 ammonite
"Obtusicostites aff. ushas" = Obtusicostites obtusicosta Waagen 1875 ammonite
Kinkeliniceras angygaster Waagen 1875 ammonite
Alligaticeras sp. ammonite
juvenile
Binatisphinctes sp. ammonite
juvenile
"Grossouvria sp." = Choffatia Siemiradzki 1898 ammonite
 Ammonitida - Aspidoceratidae
 Ammonitida - Oppeliidae
"Oppelia (? Oxycerites) sp." = Oxycerites ammonite
Oecotraustes (Paroecotraustes) sp. Spath 1928 ammonite
sp. nov.
"Paralcidia glabella" = Alcidia ammonite
"Paralcidia sp." = Alcidia Rollier 1913 ammonite
juvenile
Hecticoceras (Brightia) sp. Bonarelli 1893 ammonite
sp. nov.
"Hecticoceras (Sublunuloceras) lairense" = Hecticoceras lairense Waagen 1875 ammonite
incl. 5 specimens of H. (S.) lairense magnumbilicum subsp. nov.
Bivalvia
 Arcida - Parallelodontidae
 Arcida - Arcidae
"Arca (Eonavicula) chaudharii" = Eonavicula
"Arca (Eonavicula) chaudharii" = Eonavicula clam
sp. nov.
 Myalinida - Inoceramidae
Inoceramus (Inoceramus) coxi Reyment 1955 clam
sp. nov.
 Pectinida - Anomiidae
Placunopsis ? radiata Phillips 1829 scallop
 Pectinida - Limidae
Pseudolimea duplicata Sowerby 1814 file clam
Limatula jaini file clam
sp. nov.
Plagiostoma saxenai file clam
sp. nov.
Plagiostoma laxmani file clam
sp. nov.
 Pectinida - Pectinoidae
 Ostreida - Posidoniidae
Bositra buchi Roemer 1836 oyster
 Ostreida - Bakevelliidae
 Ostreida - Pteriidae
Pteroperna blakei pearl oyster
Pteroperna shuklai pearl oyster
sp. nov.
 Mytilida - Mytilidae
 Lucinida - Lucinidae
Mesolinga agrawali clam
sp. nov.
 Lucinida - Mactromyidae
 Pholadomyida - Pholadomyidae
 Thraciida - Thraciidae
 Pholadida - Pleuromyidae
Pleuromya calceiformis Phillips 1875 clam
Pleuromya uniformis Sowerby 1813 clam
 Megalodontida - Ceratomyopsidae
 Cardiida - Arcticidae
 Cardiida - Cardiidae
 Carditida - Astartidae
 Trigoniida - Trigoniidae
 Nuculida - Nuculidae
Palaeonucula cuneiformis Sowerby 1840 nut clam
 Nuculanida - Nuculanidae
"Reticulana calloviensis" = Indonuculana pointed nut clam