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
Bivalvia | |
Nuculana virgo Martin 1879 pointed nut clam | |
Nucula alcocki Noetling 1895 nut clam | |
"Ostrea hyotis" = Hyotissa hyotis
"Ostrea hyotis" = Hyotissa hyotis Linnaeus 1758 Honeycomb Oyster | |
Ostrea latimarginata Vredenburg 1908 oyster | |
"Pinna (Atrina) cf. vexillum" = Pinna vexillum
"Pinna (Atrina) cf. vexillum" = Pinna vexillum Born 1778 oyster | |
Indoplacuna sindiensis Vredenburg 1923 scallop
Anomia cf. ephippium Linnaeus 1758 jingle | |
"Chlamys senatoria" = Mimachlamys senatoria
"Chlamys senatoria" = Mimachlamys senatoria Gmelin 1791 scallop | |
"Anadara granosa" = Anadara (Tegillarca) granosa, Anadara craticulata, Anadara daviesi n. sp., Anadara garoensis n. sp., Trisidos tortuosa
"Anadara granosa" = Anadara (Tegillarca) granosa Linnaeus 1758 ark
Anadara craticulata Nyst 1848 ark
Anadara daviesi n. sp. Mukerjee 1939 ark
Anadara garoensis n. sp. Mukerjee 1939 ark
Trisidos tortuosa Linnaeus 1758 clam | |
"Barbatia bataviana" = Arcopsis (Arcopsis) bataviana
"Barbatia bataviana" = Arcopsis (Arcopsis) bataviana Martin 1883 clam SUBSPECIES: B. bataviana carinata
| |
Eucrassatella rostrata Lamarck 1805 clam | |
Ensis sp. Schumacher 1817 clam | |
Cardium (Trachycardium) minbuense Noetling 1901 cockle | |
Tellina protostriatula Noetling 1901 tellin clam
"Tellina indifferens" = Tellina (Moerella) indifferens Noetling 1901 tellin clam
Apolymetis grimesi tellin clam | |
Donax (Hecuba) protoflexuosa Noetling 1901 clam | |
Psammobia kingi Noetling 1901 clam | |
Mactra (Heteromactra) grateloupi, "Mactra protoreevesii" = Mactra (Mactra) protoreevesii
Mactra (Heteromactra) grateloupi Cossmann and Peyrot 1909 clam
"Mactra protoreevesii" = Mactra (Mactra) protoreevesii Noetling 1901 clam | |
Dosinia protojuvenilis, "Dosinia subpenicillata" = Dosina subpenicillata, Timoclea subspadicea, Pitar sp., "Macrocallista erycina" = Costacallista erycina, Hysteroconcha (Lamelliconcha) protophilippinarum
Dosinia protojuvenilis Noetling 1901 venus clam
"Dosinia subpenicillata" = Dosina subpenicillata Vredenburg 1928 venus clam
Timoclea subspadicea venus clam
Pitar sp. Römer 1857 venus clam
"Macrocallista erycina" = Costacallista erycina Linnaeaus 1758 venus clam
Hysteroconcha (Lamelliconcha) protophilippinarum Noetling 1901 venus clam | |
"Taras (Diplodonta) rotundatus" = Diplodonta, "Taras (Diplodonta) incerta" = Diplodonta incerta
"Taras (Diplodonta) rotundatus" = Diplodonta clam
"Taras (Diplodonta) incerta" = Diplodonta incerta d'Archiac 1850 clam | |
Corbula tunicosulcata Vredenburg 1928 clam | |
Lucina pagana Noetling 1901 clam
Lucina darchiaciana Noetling 1901 clam | |
Gastropoda | |
Torinia buddha snail
Architectonica nitens Noetling 1901 sundial
"Architectonica perspectivum" = Architectonica perspectiva Linnaeus 1767 sundial | |
Calyptraea rugosa Noetling 1895 slipper shell | |
Tibia cf. protofusus Vredenburg 1928 true conch | |
Vasum cf. basilicum Bellardi 1872 snail | |
Marginella (Cryptospira) birmanica Vredenburg 1923 margin shell | |
"Cancellaria (Bivetopsia) dertonensis" = Bivetopsia, Cancellaria cf. birmanica
"Cancellaria (Bivetopsia) dertonensis" = Bivetopsia snail
Cancellaria cf. birmanica Vredenburg 1921 snail | |
| |
Ancilla (Sparella) birmanica Vredenburg 1921 olive snail | |
Turricula promensis Vredenburg 1921 snail | |
"Conus (Leptoconus) vimineus" = Conasprella (Fusiconus) vimineus, Conus (Lithoconus) ineditus, Conus (Lithoconus) odengensis, Conus (Lithoconus) kyudawonensis, Conus (Leptoconus) cf. bonneti, Conus (Dendroconus) cf. loroisii
"Conus (Leptoconus) vimineus" = Conasprella (Fusiconus) vimineus Reeve 1849 cone shell
Conus (Lithoconus) ineditus Michelotti 1861 cone shell
Conus (Lithoconus) odengensis Martin 1895 cone shell
Conus (Lithoconus) kyudawonensis Vredenburg 1921 cone shell
Conus (Leptoconus) cf. bonneti Cossmann 1900 cone shell
Conus (Dendroconus) cf. loroisii Kiener 1845 cone shell | |
"Terebra (Duplicaria) protoduplicata" = Duplicaria, Terebra (Duplicaria) woodwardiana, Terebra (Duplicaria) maunguensis, "Terebra (Myurella) reticulata" = Myurella reticulata, Terebra (Myurella) cf. birmanica, Terebra (Myurella) protomyuros
"Terebra (Duplicaria) protoduplicata" = Duplicaria auger snail
Terebra (Duplicaria) woodwardiana Martin 1879 auger snail SUBSPECIES: T. (D.) woodwardiana mindegyiensis
Terebra (Duplicaria) maunguensis Vredenburg 1921 auger snail
"Terebra (Myurella) reticulata" = Myurella reticulata Sowerby 1840 auger snail
Terebra (Myurella) cf. birmanica Vredenburg 1921 auger snail
Terebra (Myurella) protomyuros Noetling 1901 auger snail | |
Turris garoensis n. sp., Clavatula (Perrona) birmanica, "Turris (Gemmula) congener" = Gemmula congener, Turris (Gemmula) cf. thyrsus, Turris (Gemmula) birmanica, Drillia (Brachytoma) tjemoroensis
Turris garoensis n. sp. Mukerjee 1939 turrid
Clavatula (Perrona) birmanica Vredenburg 1921 turrid INCLUDES: C (P.) birmanica singuensis and C (P.) birmanica birmanica
"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
Drillia (Brachytoma) tjemoroensis Martin 1903 turrid | |
Melongena (Pugilina) praeponderosa Vredenburg 1921 snail | |
Nassarius ovum Martin 1879 snail
Nassaria neacolubrina snail
Nassaria cf. javana Martin 1879 snail
Nassaria birmanica Vredenburg 1921 snail | |
Siphonalia (Kelletia) subspadicea Vredenburg 1921 true whelk
Babylonia pangkaensis Martin 1895 true whelk | |
Clavolithes (Cyrtulus) seminudus Noetling 1901 snail | |
Mitra granatinaeformis Martin 1884 mitre shell
"Mitra (Chrysame) cf. sowerbyi" = Chrysame sowerbyi d'Orbigny 1852 mitre shell | |
Bursa elegans frog shell | |
Galeodea cf. echinophora Linnaeus 1758 snail
Cassis cf. birmanica Vredenburg 1921 snail | |
"Gyrineum tuberculatum" = Ranella tubercularis
"Gyrineum tuberculatum" = Ranella tubercularis Risso 1826 snail | |
Vermetus cf. javanus Martin 1879 worm shell | |
Natica pellistigrina, Natica helvacea, Natica alapapilionis, Natica cf. dydmia, Natica cf. vitellus, Natica coxi n. sp., Sinum protoneritoideum, Sinum cf. cymba, "Natica epiglottina" = Cochlis epiglottina
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
Sinum protoneritoideum moon snail
Sinum cf. cymba Menke 1828 moon snail
"Natica epiglottina" = Cochlis epiglottina Lamarck 1804 moon snail | |
"Drillia (Crassispira) cotteri" = Inquisitor cotteri
"Drillia (Crassispira) cotteri" = Inquisitor cotteri Vredenburg 1921 snail SUBSPECIES: D. (C.) cotteri cf. decemcostata
| |
"Turritella (Torculoidella) angulata" = Kapalmerella ranikoti, Turritella pinfoldi
"Turritella (Torculoidella) angulata" = Kapalmerella ranikoti Vredenburg 1928 turret shell
Turritella pinfoldi Vredenburg 1921 turret shell |