Bagmara - Baghmara Fm: Early/Lower Miocene, India
collected by Mukerjee 1924

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Heterostropha - Architectonicidae
Architectonica perspectivum (Linnaeus 1767)
recombined as Architectonica perspectiva
Architectonica nitens (Noetling 1901)
Torinia buddha
Gastropoda - Turritellidae
Turritella (Torculoidella) angulata (Sowerby 1840)
synonym of Kapalmerella ranikoti
Turritella pinfoldi Vredenburg 1921
Gastropoda - Neotaenioglossa - Calyptraeidae
Calyptraea rugosa Noetling 1895
Gastropoda - Naticidae
Natica pellistigrina
Natica helvacea Lamarck 1822
Natica alapapilionis Chemntiz 1781
Natica cf. dydmia (Bolten 1798)
Natica cf. vitellus (Linnaeus 1758)
Natica coxi n. sp. Mukerjee 1939
Natica epiglottina Lamarck 1804
recombined as Cochlis epiglottina
Sinum protoneritoideum
Sinum cf. cymba (Menke 1828)
Gastropoda - Neogastropoda - Fasciolariidae
Clavolithes (Cyrtulus) seminudus (Noetling 1901)
Gastropoda - Neogastropoda - Nassariidae
Nassaria neacolubrina
Nassaria cf. javana (Martin 1879)
Nassaria birmanica (Vredenburg 1921)
Nassarius ovum (Martin 1879)
Gastropoda - Neogastropoda - Buccinidae
Siphonalia (Kelletia) subspadicea Vredenburg 1921
Babylonia pangkaensis (Martin 1895)
Gastropoda - Neogastropoda - Melongenidae
Melongena (Pugilina) praeponderosa Vredenburg 1921
Gastropoda - Neogastropoda - Cancellariidae
Cancellaria (Bivetopsia) dertonensis
original and current combination Bivetopsia
Cancellaria cf. birmanica Vredenburg 1921
Gastropoda - Neogastropoda - Mitridae
Mitra chinensis Gray 1839
SUBSPECIES: M. chinensis subscrobiculata
Mitra granatinaeformis Martin 1884
Mitra (Chrysame) cf. sowerbyi (d'Orbigny 1852)
recombined as Chrysame sowerbyi
Gastropoda - Neogastropoda - Terebridae
Terebra (Duplicaria) protoduplicata
spelled with current rank as Duplicaria
Terebra (Duplicaria) maunguensis Vredenburg 1921
Terebra (Duplicaria) woodwardiana (Martin 1879)
SUBSPECIES: T. (D.) woodwardiana mindegyiensis
Terebra (Myurella) cf. birmanica Vredenburg 1921
Terebra (Myurella) reticulata (Sowerby 1840)
recombined as Myurella reticulata
Terebra (Myurella) protomyuros (Noetling 1901)
Gastropoda - Neogastropoda - Clavatulidae
Turricula promensis (Vredenburg 1921)
Gastropoda - Neogastropoda - Conidae
Conus (Leptoconus) vimineus (Reeve 1849)
recombined as Conasprella (Fusiconus) vimineus
Conus (Leptoconus) cf. bonneti Cossmann 1900
Conus (Lithoconus) ineditus (Michelotti 1861)
Conus (Lithoconus) kyudawonensis Vredenburg 1921
Conus (Lithoconus) odengensis (Martin 1895)
Conus (Dendroconus) cf. loroisii (Kiener 1845)
Gastropoda - Neogastropoda - Turridae
Turris garoensis n. sp. Mukerjee 1939
Clavatula (Perrona) birmanica Vredenburg 1921
INCLUDES: C (P.) birmanica singuensis and C (P.) birmanica birmanica
Drillia (Brachytoma) tjemoroensis (Martin 1903)
Turris (Gemmula) congener (Smith 1894)
recombined as Gemmula congener
SUBSPECIES: T. (G.) congener mekranica
Turris (Gemmula) cf. thyrsus (Vredenburg 1921)
Turris (Gemmula) birmanica (Vredenburg 1921)
Gastropoda - Neogastropoda - Olivellidae
Olivancillaria (Agaronia) nebulosa (Lamarck 1822)
SUBSPECIES: O. (A.) nebulosa pupa
    = Agaronia pupa Sowerby 1840
Harzhauser et al. 2009
Gastropoda - Neogastropoda - Olividae
Oliva (Strephona) australis (Duclos 1835)
SUBSPECIES: O. (S.) australis indica
    = Oliva indica Vredenburg 1925
Harzhauser et al. 2009
Ancilla (Sparella) birmanica Vredenburg 1921
Gastropoda - Neogastropoda - Turbinellidae
Vasum cf. basilicum (Bellardi 1872)
Gastropoda - Neogastropoda - Marginellidae
Marginella (Cryptospira) birmanica (Vredenburg 1923)
Gastropoda - Strombidae
Tibia cf. protofusus (Vredenburg 1928)
Gastropoda - Cymatiidae
Gyrineum tuberculatum (Risso 1826)
corrected as Ranella tubercularis
Gastropoda - Bursidae
Bursa elegans
Gastropoda - Cassidae
Cassis cf. birmanica Vredenburg 1921
Galeodea cf. echinophora (Linnaeus 1758)
Gastropoda - Vermetidae
Vermetus cf. javanus Martin 1879
Gastropoda - Pseudomelaniidae
Drillia (Crassispira) cotteri Vredenburg 1921
recombined as Inquisitor cotteri
SUBSPECIES: D. (C.) cotteri cf. decemcostata
Bivalvia - Nuculanida - Nuculanidae
Nuculana virgo (Martin 1879)
Bivalvia - Nuculida - Nuculidae
Nucula alcocki Noetling 1895
Bivalvia - Pectinida - Pectinidae
Chlamys senatoria (Gmelin 1791)
recombined as Mimachlamys senatoria
Bivalvia - Pectinida - Anomiidae
Anomia cf. ephippium Linnaeus 1758
Indoplacuna sindiensis (Vredenburg 1923)
Bivalvia - Ostreida - Pinnidae
Pinna (Atrina) cf. vexillum (Born 1778)
original and current combination Pinna vexillum
Bivalvia - Ostreida - Ostreidae
Ostrea latimarginata Vredenburg 1908
Bivalvia - Ostreida - Gryphaeidae
Ostrea hyotis (Linnaeus 1758)
recombined as Hyotissa hyotis
Bivalvia - Arcida - Noetiidae
Barbatia bataviana (Martin 1883)
recombined as Arcopsis (Arcopsis) bataviana
SUBSPECIES: B. bataviana carinata
Bivalvia - Arcida - Arcidae
Trisidos tortuosa (Linnaeus 1758)
Anadara daviesi n. sp. Mukerjee 1939
Anadara craticulata (Nyst 1848)
Anadara garoensis n. sp. Mukerjee 1939
Anadara granosa (Linnaeus 1758)
recombined as Anadara (Tegillarca) granosa
Bivalvia - Cardiida - Cardiidae
Cardium (Trachycardium) minbuense (Noetling 1901)
Bivalvia - Cardiida - Donacidae
Donax (Hecuba) protoflexuosa (Noetling 1901)
Bivalvia - Cardiida - Tellinidae
Apolymetis grimesi
Tellina protostriatula Noetling 1901
Tellina indifferens Noetling 1901
recombined as Tellina (Moerella) indifferens
Bivalvia - Cardiida - Psammobiidae
Psammobia kingi (Noetling 1901)
Bivalvia - Cardiida - Ungulinidae
Taras (Diplodonta) rotundatus
original and current combination Diplodonta
Taras (Diplodonta) incerta (d'Archiac 1850)
original and current combination Diplodonta incerta
Bivalvia - Cardiida - Veneridae
Dosinia subpenicillata Vredenburg 1928
recombined as Dosina subpenicillata
Timoclea subspadicea
Dosinia protojuvenilis Noetling 1901
Pitar sp. Römer 1857
Hysteroconcha (Lamelliconcha) protophilippinarum (Noetling 1901)
Macrocallista erycina (Linnaeaus 1758)
recombined as Costacallista erycina
Bivalvia - Cardiida - Mactridae
Mactra protoreevesii Noetling 1901
recombined as Mactra (Mactra) protoreevesii
Mactra (Heteromactra) grateloupi Cossmann and Peyrot 1909
Bivalvia - Pholadida - Corbulidae
Corbula tunicosulcata Vredenburg 1928
Bivalvia - Solenida - Pharidae
Ensis sp. Schumacher 1817
Bivalvia - Lucinida - Lucinidae
Lucina darchiaciana Noetling 1901
Lucina pagana Noetling 1901
Bivalvia - Carditida - Crassatellidae
Eucrassatella rostrata (Lamarck 1805)
see common names

Geography
Country:India
Coordinates: 25.2° North, 90.7° East (view map)
Paleocoordinates:15.9° North, 88.6° East
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
Key time interval:Early/Lower Miocene
Age range of interval:23.03000 - 15.98000 m.y. ago
Stratigraphy
Formation:Baghmara
Stratigraphic resolution:bed
Stratigraphy comments: 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
Lithology and environment
Primary lithology:fine,shelly/skeletal poorly lithified marl
Secondary lithology:concretionary lithified sandstone
Includes fossils?Y
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Soft, fine-grained, bluish grey shell marl, and in the intercalatory concretionary sandy hard beds. LITHIFICATION:
Environment:transition zone/lower shoreface
Geology comments: ENVIRONMENT: Depth of "thirty fathoms", therefore assigned in a relatively shallow water environment.
Taphonomy
Modes of preservation:body,original aragonite,original calcite
Size of fossils:macrofossils
Preservation of anatomical detail:good
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:BMNH
Collectors:Mukerjee Collection dates:1924
Collection method comments: COLLECTORS: P.N. Mukerjee (1924). REPOSITORY: British Museum of Natural History.
Taxonomic list comments:COMPLETENESS: Exhaustive for mollusca (gastropoda, bivalvia, scaphopoda), but not including other groups. NOMENCLATURE: Antiquated nomenclature, but using species resolution asisgnments. Nomenclature may be updated with more recent publications (e.g. Lyngdoh et al., 1999; Harzhauser 2007)
Metadata
Database number:76573
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2007-11-23 14:34:27 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2008-11-23 14:34:27
Creative Commons license:CC BY
Reference information

Primary reference:
25857. P. N. Mukerjee. 1939. Fossil fauna from the Tertiary of Garo Hills, Assam. Palaeontologia Indica 28(1):1-101 [A. Hendy/A. Hendy]

Secondary references:

36478 M. Harzhauser, M. Euter, W. E. Piller, B. Berning, A. Kroh and O. Mandic. 2009. Oligocene and Early Miocene gastropods from Kutch (NW India) document an early biogeographic switch from Western Tethys to Indo-Pacific. Palaeontologische Zeitschrift 83:333-372 [A. Hendy/A. Hendy]