Where: India (8.9° N, 76.6° E: paleocoordinates 1.8° N, 72.7° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Quilon Limestone Formation, Early/Lower Miocene (23.0 - 16.0 Ma)
• STRATIGRAPHIC RELATIONS: From the Quilon Limestone, which overlie unconformably Archean granites, and are regionally overlain by the Late Miocene Wakalay beds. THICKNESS: From 1-1.25 ft thick limestone within section of about 40 ft thick. AGE: Early MIocene based on multiple sources, including ostracod biostratigraphy (Khosla and Nagori, 1989) and vertebrate (Sahni and Mitra, 1980). STRATIGRAPHIC POSITION: From entire formation, which is found at the base of this section.
• formation-level stratigraphic resolution
Environment/lithology: poorly lithified, gray, yellow, blue limestone
Size class: macrofossils
Collection methods: COLLECTOR: From multiple collections, including the present author Dey, A. K. and E. H. Pascoe (1926-1927's), General W. Cullen (c. 1850's), W. Logan (1883). REPOSITORY: British Museum of Natural History.
Primary reference: A. K. Dey. 1961. The Miocene Mollusca from Quilon, Kerala (India). Palaeontologica Indica 36 [A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 72033: authorized by Austin Hendy, entered by Austin Hendy on 22.05.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Carinodrillia multicostellata, Carinodrillia fermori n. sp., Drillia (Crassispira) logani n. sp., Drillia (Crassispira) woodringi n. sp.
Carinodrillia fermori n. sp. Dey 1961 snail
Drillia (Crassispira) logani n. sp. Dey 1961 snail
Drillia (Crassispira) woodringi n. sp. Dey 1961 snail | |
Natica rodatzi, "Natica ruffa" = Natica vitellus2, "Natica lineata" = Tanea lineata, Sinum delessertii, Polinices mammilla
Natica rodatzi Schepman 1900 moon snail
"Natica lineata" = Tanea lineata Röding 1798 moon snail
Sinum delessertii moon snail
Polinices mammilla Linnaeus 1758 moon snail | |
"Strombus quilonensis n. sp." = Persististrombus quilonensis, Strombus cossmanni, Strombus daviesi n. sp., Tibia indica n. sp., Terebellum terebellum
"Strombus quilonensis n. sp." = Persististrombus quilonensis Dey 1961 true conch
Strombus cossmanni Dey 1961 conch
Strombus daviesi n. sp. Dey 1961 conch
Tibia indica n. sp. Dey 1961 true conch
Terebellum terebellum Linnaeus 1758 true conch | |
"Dientomochilus (Varicospira) subrimosus" = Varicospira
"Dientomochilus (Varicospira) subrimosus" = Varicospira snail | |
Xenophora terpstrai n. sp.
Xenophora terpstrai n. sp. Dey 1961 carrier shell | |
Terebra travancorensis n. sp., Terebra coxi n. sp., "Terebra (Myurella) pamotamensis" = Terebra, "Terebra (Myurella) fenestrata" = Terebra, "Terebra (Myurella) reticulata" = Myurella reticulata, Terebra (Myurella) wadiai n. sp., Terebra (Myurella) oldhami, "Terebra (Myurella) aiyengari n. sp." = Myurella aiyengari, "Terebra bandongensis" = Terebra (Diplomeriza) bandongensis, "Terebra (Strioterebrum) exigua" = Terebra textilis, Terebra (Strioterebrum) mukerjeei n. sp.
Terebra travancorensis n. sp. Dey 1961 auger snail
Terebra coxi n. sp. Dey 1961 auger snail
"Terebra (Myurella) pamotamensis" = Terebra auger snail
"Terebra (Myurella) fenestrata" = Terebra auger snail
"Terebra (Myurella) reticulata" = Myurella reticulata Sowerby 1840 auger snail
Terebra (Myurella) wadiai n. sp. Dey 1961 auger snail
Terebra (Myurella) oldhami Vredenburg 1921 auger snail
"Terebra (Myurella) aiyengari n. sp." = Myurella aiyengari Dey 1961 auger snail
"Terebra bandongensis" = Terebra (Diplomeriza) bandongensis Martin 1879 auger snail
"Terebra (Strioterebrum) exigua" = Terebra textilis Hinds 1844 auger snail
Terebra (Strioterebrum) mukerjeei n. sp. Dey 1961 auger snail | |
Drillia (Brachytoma) pinfoldi Vredenburg 1921 turrid
Turris (Lophotoma) quilonica n. sp. Dey 1961 turrid
Turris (Gemmulata) gilchristi Dey 1961 turrid | |
Moniliopsis multiseriata, Conus (Lithoconus) nganianus, Conus (Lithoconus) odengensis, Conus (Lithoconus) brevis, Conus (Leptoconus) quilonensis n. sp., Conus (Leptoconus) tomlini n. sp.
Moniliopsis multiseriata cone shell
Conus (Lithoconus) nganianus cone shell
Conus (Lithoconus) odengensis Martin 1895 cone shell
Conus (Lithoconus) brevis Sowerby 1840 cone shell
Conus (Leptoconus) quilonensis n. sp. Dey 1961 cone shell
Conus (Leptoconus) tomlini n. sp. Dey 1961 cone shell | |
"Surcula tuberculata" = Asthenotoma tuberculata, Microdrillia reciproca
"Surcula tuberculata" = Asthenotoma tuberculata Gray 1839 snail
Microdrillia reciproca snail | |
Turricula kayalensis n. sp., Surcula culleni n. sp., "Surcula promensis" = Turricula promensis, Clionella vinaykraoi
Turricula kayalensis n. sp. Dey 1961 snail
Surcula culleni n. sp. Dey 1961 snail
"Surcula promensis" = Turricula promensis Vredenburg 1921 snail SUBSPECIES: S. promensis silistrensis
Clionella vinaykraoi Dey 1961 snail | |
Volvaria lahrii n. sp., Mitra (Tiara) aegra, "Mitra (Chrysame) sowerbyi" = Chrysame sowerbyi, Mitra quilonensis n. sp.
Volvaria lahrii n. sp. mitre shell
Mitra (Tiara) aegra mitre shell
"Mitra (Chrysame) sowerbyi" = Chrysame sowerbyi d'Orbigny 1852 mitre shell
Mitra quilonensis n. sp. Dey 1961 mitre shell | |
| |
"Xancus affinis" = Turbinella affinis
"Xancus affinis" = Turbinella affinis Sowerby 1839 snail | |
Marginella culleni n. sp., Marginella (Volvarina) kayalensis n. sp.
Marginella culleni n. sp. Dey 1961 margin shell
Marginella (Volvarina) kayalensis n. sp. Dey 1961 margin shell | |
"Persicula (Closia) sarda" = Closia, Lyria eidelessertiana n. sp., "Lyria jugosa" = Lyria (Harpeola) jugosa
"Persicula (Closia) sarda" = Closia volute
Lyria eidelessertiana n. sp. volute
"Lyria jugosa" = Lyria (Harpeola) jugosa Sowerby 1839 volute | |
Murex (Muricantha) iravadicus, Murex (Tubicardia) bonneti, Murex (Tubicardia) sondeianus, Murex (Brontes) bantamensis, Murex macgillierayi, Murex (Tubicardia) rubigonosus, Murex (Pteropleura) tripterus, "Typhis (Laevityphis) tetragoniatus" = Siphonochelus (Laevityphis), "Murex (Homalocantha) talahabensis" = Homalocantha, Tritonalia quilonica n. sp.
Murex (Muricantha) iravadicus Vredenburg 1921 murex snail
Murex (Tubicardia) bonneti Cossman 1903 murex snail
Murex (Tubicardia) sondeianus murex snail
Murex (Brontes) bantamensis murex snail
Murex macgillierayi murex snail
Murex (Tubicardia) rubigonosus murex snail
Murex (Pteropleura) tripterus Born 1778 murex snail
"Typhis (Laevityphis) tetragoniatus" = Siphonochelus (Laevityphis) murex snail
"Murex (Homalocantha) talahabensis" = Homalocantha murex snail
Tritonalia quilonica n. sp. Dey 1961 murex snail | |
Morum (Oniscidea) quilonensis n. sp. Dey 1961 snail | |
| |
"Ancilla rembangensis" = Ancilla (Sparella) rembangensis Martin 1906 olive snail | |
"Hemifusus eulacteus n. sp." = Pugilina eulactea
"Hemifusus eulacteus n. sp." = Pugilina eulactea Dey 1961 snail | |
Fasciolaria nodulosa, "Latirus (Peristernia) corallinus" = Peristernia, Latirus (Peristernia) coxi n. sp., Latirus tjilongenensis, Latirus (Polygona) hexagonus, Fusinus quilonicus n. sp.
Fasciolaria nodulosa tulip snail
"Latirus (Peristernia) corallinus" = Peristernia snail
Latirus (Peristernia) coxi n. sp. Dey 1961 snail
Latirus tjilongenensis snail
Fusinus quilonicus n. sp. Dey 1961 snail | |
Cantharus tranquebaricus Gmelin 1791 true whelk
Siphonalia (Kelletia) indica n. sp. Dey 1961 true whelk | |
"Argobuccinum cf. affinis" = Bursa granularis
"Argobuccinum cf. affinis" = Bursa granularis Röding 1798 frog shell | |
"Argobuccinum anjarense" = Gyrineum bituberculare Lamarck 1816 triton shell
Cymatium pilearis triton shell | |
Malea quilonensis n. sp.
Malea quilonensis n. sp. Dey 1961 tun shell | |
"Cassis (Semicassis) quilonensis n. sp." = Semicassis bisulcata, "Cassis (Semicassis) pila" = Semicassis bisulcata
"Cassis (Semicassis) quilonensis n. sp." = Semicassis bisulcata Schubert and Wagner 1829 snail
"Cassis (Semicassis) pila" = Semicassis bisulcata Schubert and Wagner 1829 snail | |
Distorsio cancellinus snail | |
Stolida (Cribraria) quilonensis n. sp., "Zoila schilderi n. sp." = Afrozoila schilderi, "Pseudozonaria simonnei n. sp." = Zonaria simonnei, Zonaria travancorica n. sp.
Stolida (Cribraria) quilonensis n. sp. Dey 1961 cowry
"Zoila schilderi n. sp." = Afrozoila schilderi Dey 1961 cowry
"Pseudozonaria simonnei n. sp." = Zonaria simonnei Dey 1961 cowry
Zonaria travancorica n. sp. Dey 1961 cowry | |
Rissoina (Zebinella) vredenburgi n. sp. Dey 1961 snail | |
"Siliquaria granti" = Tenagodus granti
"Siliquaria granti" = Tenagodus granti Sowerby 1840 snail | |
Turritella eucosmeta, Turritella kayalensis n. sp., "Turritella subulata" = Haustator subulata, Vermicularia cf. solarinus
Turritella eucosmeta turret shell
Turritella kayalensis n. sp. Dey 1961 turret shell
"Turritella subulata" = Haustator subulata Martin 1884 turret shell
Vermicularia cf. solarinus turret shell | |
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Cerithium (Ptychocerithium) rude, "Potamides (Cerithidea) progoensis" = Cerithium progoensis, Cerithium travancorense n. sp., "Rhinoclavis bonneti" = Rhinoclavis (Rhinoclavis) bonneti, Bittium quilonense n. sp.
Cerithium (Ptychocerithium) rude Sowerby 1840 cerith snail
"Potamides (Cerithidea) progoensis" = Cerithium progoensis Martin 1916 cerith snail
Cerithium travancorense n. sp. Dey 1961 cerith snail
"Rhinoclavis bonneti" = Rhinoclavis (Rhinoclavis) bonneti Cossmann 1910 cerith snail
Bittium quilonense n. sp. Dey 1961 cerith snail | |
"Globularia (Cernina) carlei" = Cernina carlei
"Globularia (Cernina) carlei" = Cernina carlei Finlay 1927 snail | |
Calyptraea dunni n. sp.
Calyptraea dunni n. sp. Dey 1961 slipper shell | |
Niso marmorata snail
Melanella grandis snail | |
Scaphander javanus Martin 1879 snail | |
Atys semistriata snail | |
Acteon ghossi n. sp.
Acteon ghossi n. sp. Dey 1961 snail | |
Architectonica karkalensis, "Architectonica affine" = Architectonica affinis
Architectonica karkalensis sundial
"Architectonica affine" = Architectonica affinis Sowerby 1840 sundial [entered as Architectonica affinis]
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Diodora vredenburgi n. sp.
Diodora vredenburgi n. sp. Dey 1961 snail | |
Phasianella (Orthomesus) variegata Lamarck 1822 snail | |
"Angaria delphinus" = Delphinula delphinus
"Angaria delphinus" = Delphinula delphinus Linnaeus 1758 laciniated dolphin shell | |
Clanculus pascoei n. sp. Dey 1961 top snail
"Trochus (Tectus) cognatus" = Tectus cognatus Sowerby 1840 top snail
Calliostoma dyscritum top snail | |
Scaphopoda | |
Dentalium africanum tusk shell | |
Bivalvia | |
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Azorinus abbreviatus clam | |
Cardium quilonense n. sp., Cardium dariesi n. sp.
Cardium quilonense n. sp. Dey 1961 cockle
Cardium dariesi n. sp. Dey 1961 cockle | |
Pitar obliquatus, Pitar (Hyphantosoma) simonnei, "Macrocallista (Costacallista) florida" = Costacallista, "Macrocallista (Costacallista) cf. lilacina" = Costacallista, Mercimonia nepotina, Antigona granosa, Sunetta dautzenbergi, "Circe (Circenita) tivelinoides" = Gouldia (Circenita), "Gafrarium (Gouldia) minima" = Gouldia (Gouldia) minima
Pitar obliquatus venus clam
Pitar (Hyphantosoma) simonnei Dey 1961 venus clam
"Macrocallista (Costacallista) florida" = Costacallista venus clam
"Macrocallista (Costacallista) cf. lilacina" = Costacallista venus clam
Mercimonia nepotina venus clam
Antigona granosa Sowerby 1840 venus clam
Sunetta dautzenbergi venus clam
"Circe (Circenita) tivelinoides" = Gouldia (Circenita) venus clam
"Gafrarium (Gouldia) minima" = Gouldia (Gouldia) minima Montagu 1803 venus clam | |
Chama asperella Lamarck 1819 jewel box | |
"Corbula (Varicorbula) socialis" = Corbula (Anisocorbula) socialis, "Corbula (Varicorbula) scaphoides" = Aloidis scaphoides, Corbula (Varicorbula) sulcata
"Corbula (Varicorbula) socialis" = Corbula (Anisocorbula) socialis Martin 1879 clam
"Corbula (Varicorbula) scaphoides" = Aloidis scaphoides Hinds 1843 clam
Corbula (Varicorbula) sulcata Lamarck 1801 clam | |
Cardita (Glans) quilonensis n. sp.
Cardita (Glans) quilonensis n. sp. Dey 1961 clam | |
Crassinella nana clam | |
Anadara quilonensis n. sp., Anadara craticulata, Anadara gourae n. sp., Barbatia quilonensis n. sp., Barbatia culleni n. sp., Barbatia kayalensis n. sp., "Fossularca sculptilis" = Arca (Fossularca), Arca coxi n. sp.
Anadara quilonensis n. sp. Dey 1961 ark
Anadara gourae n. sp. Dey 1961 ark
Barbatia quilonensis n. sp. Dey 1961 clam
Barbatia culleni n. sp. Dey 1961 clam
Barbatia kayalensis n. sp. Dey 1961 clam
"Fossularca sculptilis" = Arca (Fossularca) ark
Arca coxi n. sp. Dey 1961 ark | |
Glycymeris pecten clam
Glycymeris quilonensis n. sp. Dey 1961 clam | |
"Ostrea hyotis" = Hyotissa hyotis
"Ostrea hyotis" = Hyotissa hyotis Linnaeus 1758 Honeycomb Oyster | |
Spondylus tallavignesi, "Chlamys quilonensis n. sp." = Chlamys (Chlamys) quilonensis, Amusium orientale n. sp.
Spondylus tallavignesi scallop
"Chlamys quilonensis n. sp." = Chlamys (Chlamys) quilonensis Dey 1961 scallop
Amusium orientale n. sp. Dey 1961 scallop | |
Placenta lamellata n. sp.
Placenta lamellata n. sp. Dey 1961 scallop | |
Nucula warsarensis nut clam
Nucula pulchra nut clam |