Where: India (25.2° N, 90.7° E: paleocoordinates 15.9° N, 88.6° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Baghmara Formation, Early/Lower Miocene (23.0 - 16.0 Ma)
• STRATIGRAPHIC RELATIONS: Assumed by Hendy (2007) to originate from the Baghmara Fm, which regionally conformably underlies the Chengapara Fm (Burdigalian). AGE: Aquitaian-Burdigalian. STRATIGRAPHIC POSITION: From unknown position within formation
• bed-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; poorly lithified, fine-grained, shelly/skeletal marl and lithified, concretionary sandstone
Size class: macrofossils
Preservation: original aragonite, original calcite
Collected by Mukerjee in 1924; reposited in the BMNH
• COLLECTORS: P.N. Mukerjee (1924). REPOSITORY: British Museum of Natural History.
Primary reference: P. N. Mukerjee. 1939. Fossil fauna from the Tertiary of Garo Hills, Assam. Palaeontologia Indica 28(1):1-101 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 76573: authorized by Austin Hendy, entered by Austin Hendy on 23.11.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Architectonica perspectivum" = Architectonica perspectiva Linnaeus 1767 sundial
Architectonica nitens Noetling 1901 sundial
Torinia buddha snail | |
"Turritella (Torculoidella) angulata" = Kapalmerella ranikoti, Turritella pinfoldi
"Turritella (Torculoidella) angulata" = Kapalmerella ranikoti Vredenburg 1928 turret shell
Turritella pinfoldi Vredenburg 1921 turret shell | |
Calyptraea rugosa Noetling 1895 slipper shell | |
Natica pellistigrina, Natica helvacea, Natica alapapilionis, Natica cf. dydmia, Natica cf. vitellus, Natica coxi n. sp., "Natica epiglottina" = Cochlis epiglottina, Sinum protoneritoideum, Sinum cf. cymba
Natica pellistigrina moon snail
Natica helvacea Lamarck 1822 moon snail
Natica alapapilionis Chemntiz 1781 moon snail
Natica cf. dydmia Bolten 1798 moon snail
Natica cf. vitellus Linnaeus 1758 moon snail
Natica coxi n. sp. Mukerjee 1939 moon snail
"Natica epiglottina" = Cochlis epiglottina Lamarck 1804 moon snail
Sinum protoneritoideum moon snail
Sinum cf. cymba Menke 1828 moon snail | |
Clavolithes (Cyrtulus) seminudus Noetling 1901 snail | |
Nassaria neacolubrina snail
Nassaria cf. javana Martin 1879 snail
Nassaria birmanica Vredenburg 1921 snail
Nassarius ovum Martin 1879 snail | |
Siphonalia (Kelletia) subspadicea Vredenburg 1921 true whelk
Babylonia pangkaensis Martin 1895 true whelk | |
Melongena (Pugilina) praeponderosa Vredenburg 1921 snail | |
"Cancellaria (Bivetopsia) dertonensis" = Bivetopsia, Cancellaria cf. birmanica
"Cancellaria (Bivetopsia) dertonensis" = Bivetopsia snail
Cancellaria cf. birmanica Vredenburg 1921 snail | |
Mitra granatinaeformis Martin 1884 mitre shell
"Mitra (Chrysame) cf. sowerbyi" = Chrysame sowerbyi d'Orbigny 1852 mitre shell | |
"Terebra (Duplicaria) protoduplicata" = Duplicaria, Terebra (Duplicaria) maunguensis, Terebra (Duplicaria) woodwardiana, Terebra (Myurella) cf. birmanica, "Terebra (Myurella) reticulata" = Myurella reticulata, Terebra (Myurella) protomyuros
"Terebra (Duplicaria) protoduplicata" = Duplicaria auger snail
Terebra (Duplicaria) maunguensis Vredenburg 1921 auger snail
Terebra (Duplicaria) woodwardiana Martin 1879 auger snail SUBSPECIES: T. (D.) woodwardiana mindegyiensis
Terebra (Myurella) cf. birmanica Vredenburg 1921 auger snail
"Terebra (Myurella) reticulata" = Myurella reticulata Sowerby 1840 auger snail
Terebra (Myurella) protomyuros Noetling 1901 auger snail | |
Turricula promensis Vredenburg 1921 snail | |
"Conus (Leptoconus) vimineus" = Conasprella (Fusiconus) vimineus, Conus (Leptoconus) cf. bonneti, Conus (Lithoconus) ineditus, Conus (Lithoconus) kyudawonensis, Conus (Lithoconus) odengensis, Conus (Dendroconus) cf. loroisii
"Conus (Leptoconus) vimineus" = Conasprella (Fusiconus) vimineus Reeve 1849 cone shell
Conus (Leptoconus) cf. bonneti Cossmann 1900 cone shell
Conus (Lithoconus) ineditus Michelotti 1861 cone shell
Conus (Lithoconus) kyudawonensis Vredenburg 1921 cone shell
Conus (Lithoconus) odengensis Martin 1895 cone shell
Conus (Dendroconus) cf. loroisii Kiener 1845 cone shell | |
Turris garoensis n. sp., Clavatula (Perrona) birmanica, Drillia (Brachytoma) tjemoroensis, "Turris (Gemmula) congener" = Gemmula congener, Turris (Gemmula) cf. thyrsus, Turris (Gemmula) birmanica
Turris garoensis n. sp. Mukerjee 1939 turrid
Clavatula (Perrona) birmanica Vredenburg 1921 turrid INCLUDES: C (P.) birmanica singuensis and C (P.) birmanica birmanica
Drillia (Brachytoma) tjemoroensis Martin 1903 turrid
"Turris (Gemmula) congener" = Gemmula congener Smith 1894 turrid SUBSPECIES: T. (G.) congener mekranica
Turris (Gemmula) cf. thyrsus Vredenburg 1921 turrid
Turris (Gemmula) birmanica Vredenburg 1921 turrid | |
| |
Ancilla (Sparella) birmanica Vredenburg 1921 olive snail | |
Vasum cf. basilicum Bellardi 1872 snail | |
Marginella (Cryptospira) birmanica Vredenburg 1923 margin shell | |
Tibia cf. protofusus Vredenburg 1928 true conch | |
"Gyrineum tuberculatum" = Ranella tubercularis
"Gyrineum tuberculatum" = Ranella tubercularis Risso 1826 snail | |
Bursa elegans frog shell | |
Cassis cf. birmanica Vredenburg 1921 snail
Galeodea cf. echinophora Linnaeus 1758 snail | |
Vermetus cf. javanus Martin 1879 worm shell | |
"Drillia (Crassispira) cotteri" = Inquisitor cotteri
"Drillia (Crassispira) cotteri" = Inquisitor cotteri Vredenburg 1921 snail SUBSPECIES: D. (C.) cotteri cf. decemcostata
| |
Bivalvia | |
Nuculana virgo Martin 1879 pointed nut clam | |
Nucula alcocki Noetling 1895 nut clam | |
"Chlamys senatoria" = Mimachlamys senatoria
"Chlamys senatoria" = Mimachlamys senatoria Gmelin 1791 scallop | |
Anomia cf. ephippium Linnaeus 1758 jingle
Indoplacuna sindiensis Vredenburg 1923 scallop | |
"Pinna (Atrina) cf. vexillum" = Pinna vexillum
"Pinna (Atrina) cf. vexillum" = Pinna vexillum Born 1778 oyster | |
Ostrea latimarginata Vredenburg 1908 oyster | |
"Ostrea hyotis" = Hyotissa hyotis
"Ostrea hyotis" = Hyotissa hyotis Linnaeus 1758 Honeycomb Oyster | |
"Barbatia bataviana" = Arcopsis (Arcopsis) bataviana
"Barbatia bataviana" = Arcopsis (Arcopsis) bataviana Martin 1883 clam SUBSPECIES: B. bataviana carinata
| |
Trisidos tortuosa, Anadara daviesi n. sp., Anadara craticulata, Anadara garoensis n. sp., "Anadara granosa" = Anadara (Tegillarca) granosa
Trisidos tortuosa Linnaeus 1758 clam
Anadara daviesi n. sp. Mukerjee 1939 ark
Anadara craticulata Nyst 1848 ark
Anadara garoensis n. sp. Mukerjee 1939 ark
"Anadara granosa" = Anadara (Tegillarca) granosa Linnaeus 1758 ark | |
Cardium (Trachycardium) minbuense Noetling 1901 cockle | |
Donax (Hecuba) protoflexuosa Noetling 1901 clam | |
Apolymetis grimesi tellin clam
Tellina protostriatula Noetling 1901 tellin clam
"Tellina indifferens" = Tellina (Moerella) indifferens Noetling 1901 tellin clam | |
Psammobia kingi Noetling 1901 clam | |
"Taras (Diplodonta) rotundatus" = Diplodonta, "Taras (Diplodonta) incerta" = Diplodonta incerta
"Taras (Diplodonta) rotundatus" = Diplodonta clam
"Taras (Diplodonta) incerta" = Diplodonta incerta d'Archiac 1850 clam | |
"Dosinia subpenicillata" = Dosina subpenicillata, Timoclea subspadicea, Dosinia protojuvenilis, Pitar sp., Hysteroconcha (Lamelliconcha) protophilippinarum, "Macrocallista erycina" = Costacallista erycina
"Dosinia subpenicillata" = Dosina subpenicillata Vredenburg 1928 venus clam
Timoclea subspadicea venus clam
Dosinia protojuvenilis Noetling 1901 venus clam
Pitar sp. Römer 1857 venus clam
Hysteroconcha (Lamelliconcha) protophilippinarum Noetling 1901 venus clam
"Macrocallista erycina" = Costacallista erycina Linnaeaus 1758 venus clam | |
"Mactra protoreevesii" = Mactra (Mactra) protoreevesii, Mactra (Heteromactra) grateloupi
"Mactra protoreevesii" = Mactra (Mactra) protoreevesii Noetling 1901 clam
Mactra (Heteromactra) grateloupi Cossmann and Peyrot 1909 clam | |
Corbula tunicosulcata Vredenburg 1928 clam | |
Ensis sp. Schumacher 1817 clam | |
Lucina darchiaciana Noetling 1901 clam
Lucina pagana Noetling 1901 clam | |
Eucrassatella rostrata Lamarck 1805 clam |