Habo (=Chari) beds east of Ler, Central Unit, Bed 1, Kutch (Jurassic to of India)

Where: India (23.2° N, 69.8° E: paleocoordinates 23.7° S, 32.6° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Habo beds Formation, Callovian to Callovian (166.1 - 157.3 Ma)

• the youngest, bed No. 1, is Mebha Oolite and assigned to Callovo-Oxfordian

• 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 68647: 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.
Show authors, comments, and common names
Bivalvia
 Nuculida - Nuculidae
Palaeonucula blanfordi, Palaeonucula cuneiformis, Nuculoma agrawali
Palaeonucula cuneiformis Sowerby 1840 nut clam
Nuculoma agrawali nut clam
sp. nov.
 Nuculanida - Malletiidae
Palaeoneilo cf. indicus
 Nuculanida - Nuculanidae
Nuculana (Praesaccella) juriana
 Trigoniida - Trigoniidae
Trigonia (Trigonia) haboensis
 Carditida - Astartidae
Nicaniella (Nicaniella) extensa, Neocrassina (Pruvostiella) freneixae, Neocrassina (Pruvostiella) spitiensis
 Lucinida - Mactromyidae
Mactromya mehrotrai
 Pholadomyida - Pholadomyidae
Pholadomya (Pholadomya) ovalis, Pholadomya (Bucardiomya) lirata, Pholadomya (Bucardiomya) cf. lirata, Pholadomya (Bucardiomya) protei, Goniomya (Goniomya) literata
Pholadomya (Bucardiomya) protei Brongniart 1821 clam
Goniomya (Goniomya) literata Sowerby 1819 clam
 Pholadida - Pleuromyidae
Pleuromya uniformis, Pleuromya alduini
Pleuromya uniformis Sowerby 1813 clam
Pleuromya alduini Brongniart 1821 clam
 Cardiida - Cardiidae
Protocardia (Protocardia) dyonisea
 Mytilida - Mytilidae
Lithophaga (Lithophaga) cf. inclusa, Inoperna glendayi
 Arcida - Parallelodontidae
Grammatodon (Grammatodon) jurianus, Grammatodon (Indogrammatodon) virgatus
 Arcida - Cucullaeidae
Megacucullaea sp.
Megacucullaea sp. Rennie 1936 clam
 Arcida - Arcidae
"Arca (Eonavicula) chaudharii" = Eonavicula
"Arca (Eonavicula) chaudharii" = Eonavicula clam
sp. nov.
 Ostreida - Pinnidae
Pinna stoliczkai, Trichites cf. gemmellaroi
 Ostreida - Pteriidae
Pteroperna shuklai
Pteroperna shuklai pearl oyster
sp. nov.
 Ostreida - Bakevelliidae
Gervillella siliqua
 Ostreida - Gryphaeidae
"Catinula alimena" = Gryphaea (Catinula), "Nanogyra nana" = Nanogyra (Nanogyra) nana
"Catinula alimena" = Gryphaea (Catinula) oyster
"Nanogyra nana" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster
 Ostreida - Ostreidae
Lopha (Actinostreon) sp.
Lopha (Actinostreon) sp. Bayle 1878 oyster
 Ostreida - Palaeolophidae
"Lopha (Actinostreon) gregarea" = Actinostreon gregareum, "Lopha (Actinostreon) marshii" = Actinostreon marshi
"Lopha (Actinostreon) gregarea" = Actinostreon gregareum Sowerby 1816 oyster
"Lopha (Actinostreon) marshii" = Actinostreon marshi Sowerby 1814 oyster
 Pectinida - Oxytomidae
Oxytoma (Oxytoma) censoriensis, Oxytoma (Oxytoma) agrawali, Oxytoma (Oxytoma) sp., "Oxytoma (Oxytoma) inequivalvis" = Oxytoma inequivalvis
Oxytoma (Oxytoma) agrawali scallop
sp. nov.
Oxytoma (Oxytoma) sp. Meek 1864 scallop
"Oxytoma (Oxytoma) inequivalvis" = Oxytoma inequivalvis Sowerby 1819 scallop
 Pectinida - Limidae
Pseudolimea duplicata, Ctenostreon proboscideum, Plagiostoma strigillata, Plagiostoma singhi, Plagiostoma aciculata, Plagiostoma kackeri, Plagiostoma laxmani, Plagiostoma jumarensis
Pseudolimea duplicata Sowerby 1814 file clam
Ctenostreon proboscideum Sowerby 1820 file clam
Plagiostoma singhi file clam
sp. nov.
Plagiostoma kackeri file clam
sp. nov.
Plagiostoma laxmani file clam
sp. nov.
 Pectinida - Pectinoidae
Camptonectes (Camptonectes) indicus, Camptonectes (Camptonectes) auritus, Camptonectes (Camptonectes) aff. auritus, Eopecten sp., "Eopecten aubryi" = Eopecten velatus, Spondylopecten sahnii, Chlamys (Chlamys) ambigua, Chlamys (Chlamys) subtextoria, Chlamys (Chlamys) rajnathi
Camptonectes (Camptonectes) auritus Schlotheim 1813 scallop
Eopecten sp. Douvillé 1897 scallop
"Eopecten aubryi" = Eopecten velatus Goldfuss 1833 scallop
Spondylopecten sahnii scallop
sp. nov.
Chlamys (Chlamys) rajnathi scallop
sp. nov.
 Pectinida - Entoliidae
Entolium (Entolium) partitum
Cephalopoda
 Ammonitida - Reineckeiidae
Collotia sp.
Collotia sp. ammonite
 Ammonitida - Perisphinctidae
Alligaticeras joorense, Perisphinctes (Orthosphinctes) anguinus, "Alligaticeras polymorphum" = Perisphinctes (Arisphinctes) polymorphus, Perisphinctes (Kranaosphinctes) subevolutus, Perisphinctes (Dichotomosphinctes) jacki, Properisphinctes bernensis, Poculisphinctes sp.
"Alligaticeras polymorphum" = Perisphinctes (Arisphinctes) polymorphus Spath 1931 ammonite
Properisphinctes bernensis de Loriol 1898 ammonite
Poculisphinctes sp. ammonite
misspelled as Poculisphintes sp.
 Ammonitida - Aspidoceratidae
Euaspidoceras (Euaspidoceras) aff. simile, Euaspidoceras (Euaspidoceras) sp., Euaspidoceras (Euaspidoceras) waageni, Peltoceras (Peltoceras) ponderosum, Peltoceras (Peltoceras) sp., Peltoceras (Metapeltoceras) aff. diversiforme, "Parawedekindia aff. torosus" = Peltoceratoides (Parawedekindia)
Euaspidoceras (Euaspidoceras) sp. Spath 1931 ammonite
sp. nov.
Peltoceras (Peltoceras) sp. Waagen 1871 ammonite
"Parawedekindia aff. torosus" = Peltoceratoides (Parawedekindia) ammonite
 Ammonitida - Sphaeroceratidae
Mayaites (Epimayaites) sp., Mayaites (Mayaites) maya, Mayaites (Mayaites) aff. maya, Dhosaites elephantoides, Dhosaites aff. elephantoides, Dhosaites cf. elephantoides, Dhosaites sp., Dhosaites primus, "Mayaites (Mayaites) cf. smeei" = Epimayaites smeei, Paryphoceras badiense
Mayaites (Epimayaites) sp. ammonite
juvenile
Mayaites (Mayaites) maya Sowerby 1840 ammonite
Mayaites (Mayaites) aff. maya Sowerby 1840 ammonite
Dhosaites sp. ammonite
Dhosaites primus Spath 1928 ammonite
"Mayaites (Mayaites) cf. smeei" = Epimayaites smeei Spath 1928 ammonite
Paryphoceras badiense Spath 1928 ammonite
 Ammonitida - Oppeliidae
Taramelliceras (Proscaphites) hermonis, Hecticoceras (Putealiceras) intermedium, Hecticoceras (Brightia) sp., Hecticoceras (Pseudobrightia) dhosaensis, Hecticoceras (Sublunuloceras) dynastes, Hecticoceras (Sublunuloceras) cf. prelairense, "Hecticoceras (Sublunuloceras) lairense" = Hecticoceras lairense
Hecticoceras (Brightia) sp. Bonarelli 1893 ammonite
sp. nov.
"Hecticoceras (Sublunuloceras) lairense" = Hecticoceras lairense Waagen 1875 ammonite
 Phylloceratida - Phylloceratidae
Calliphylloceras sp., Holcophylloceras cf. mediterraneum, Ptychophylloceras jaraense, Ptychophylloceras insulare, Phylloceras sp.
Calliphylloceras sp. Spath 1927 ammonite
Holcophylloceras cf. mediterraneum Neumayr 1871 ammonite
Phylloceras sp. Suess 1865 ammonite