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

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Arcida - Noetiidae
Barbatia bataviana (Martin 1883)
recombined as Arcopsis (Arcopsis) bataviana
SUBSPECIES: B. bataviana carinata
Bivalvia - Arcida - Arcidae
Anadara craticulata (Nyst 1848)
Anadara garoensis n. sp. Mukerjee 1939
Trisidos tortuosa (Linnaeus 1758)
Bivalvia - Ostreida - Ostreidae
Ostrea latimarginata Vredenburg 1908
Bivalvia - Ostreida - Pinnidae
Pinna (Atrina) cf. vexillum (Born 1778)
original and current combination Pinna vexillum
Bivalvia - Pectinida - Pectinidae
Chlamys senatoria (Gmelin 1791)
recombined as Mimachlamys senatoria
Chlamys jamviniensis Cox 1927
Bivalvia - Pectinida - Anomiidae
Anomia cf. ephippium Linnaeus 1758
Bivalvia - Carditida - Crassatellidae
Eucrassatella rostrata (Lamarck 1805)
Bivalvia - Lucinida - Lucinidae
Lucina pagana Noetling 1901
Bivalvia - Pholadida - Corbulidae
Corbula tunicosulcata Vredenburg 1928
Bivalvia - Cardiida - Cardiidae
Cardium (Trachycardium) minbuense (Noetling 1901)
Cardium (Trachycardium) protosubrugosum (Noetling 1901)
Bivalvia - Cardiida - Tellinidae
Apolymetis grimesi
Bivalvia - Cardiida - Veneridae
Dosinia subpenicillata Vredenburg 1928
recombined as Dosina subpenicillata
Timoclea subspadicea
Macrocallista erycina (Linnaeaus 1758)
recombined as Costacallista erycina
Hysteroconcha (Lamelliconcha) protophilippinarum (Noetling 1901)
Clementia papyracea Gray 1825
recombined as Clementia (Clementia) papyracea
Bivalvia - Cardiida - Mactridae
Mactra protoreevesii Noetling 1901
recombined as Mactra (Mactra) protoreevesii
Bivalvia - Solenida - Pharidae
Ensis sp. Schumacher 1817
Bivalvia - Nuculanida - Nuculanidae
Nuculana virgo (Martin 1879)
Gastropoda - Heterostropha - Architectonicidae
Architectonica perspectivum (Linnaeus 1767)
recombined as Architectonica perspectiva
Gastropoda - Turritellidae
Turritella (Torculoidella) angulata (Sowerby 1840)
synonym of Kapalmerella ranikoti
Turritella heberti d'Archiac and Haime 1854
SUBSPECIES: T. heberti garoensis
    = Turritella kachhensis Vredenburg 1928
Harzhauser et al. 2009
Turritella pinfoldi Vredenburg 1921
Turritella noetlingi Vredenburg 1921
Gastropoda - Naticidae
Natica pellistigrina
Gastropoda - Capulidae
Capulus lissus Smith 1894
Gastropoda - Ficidae
Ficus conditus (Brongniart 1823)
recombined as Ficus condita
Gastropoda - Neogastropoda - Mitridae
Mitra chinensis Gray 1839
SUBSPECIES: M. chinensis subscrobiculata
Gastropoda - Neogastropoda - Buccinidae
Siphonalia (Kelletia) subspadicea Vredenburg 1921
Cantharus martinianus (Noetling 1901)
recombined as Cantharus martiniana
Babylonia cf. zeylanica (Lamarck 1822)
Babylonia pangkaensis (Martin 1895)
Gastropoda - Neogastropoda - Melongenidae
Melongena (Pugilina) praeponderosa Vredenburg 1921
Gastropoda - Neogastropoda - Nassariidae
Nassarius ovum (Martin 1879)
Gastropoda - Neogastropoda - Fasciolariidae
Clavolithes (Cyrtulus) seminudus (Noetling 1901)
Gastropoda - Neogastropoda - Cancellariidae
Cancellaria (Bivetopsia) dertonensis
original and current combination Bivetopsia
Cancellaria cf. 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
Ancilla (Sparella) birmanica Vredenburg 1921
Oliva (Strephona) australis (Duclos 1835)
SUBSPECIES: O. (S.) australis indica
    = Oliva indica Vredenburg 1925
Harzhauser et al. 2009
Gastropoda - Neogastropoda - Turridae
Drillia (Brachytoma) tjemoroensis (Martin 1903)
Turris (Gemmula) cf. thyrsus (Vredenburg 1921)
Clavatula (Perrona) birmanica Vredenburg 1921
INCLUDES: C (P.) birmanica singuensis and C (P.) birmanica birmanica
Gastropoda - Neogastropoda - Conidae
Conus (Lithoconus) decollatus (Martin 1884)
Conus (Lithoconus) odengensis (Martin 1895)
Conus (Lithoconus) kyudawonensis Vredenburg 1921
Conus (Lithoconus) ineditus (Michelotti 1861)
Conus (Leptoconus) vimineus (Reeve 1849)
recombined as Conasprella (Fusiconus) vimineus
Gastropoda - Neogastropoda - Clavatulidae
Turricula promensis (Vredenburg 1921)
INCLUDES: T. promensis promensis and T. promensis silistrensis
Gastropoda - Neogastropoda - Drilliidae
Drillia cf. protointerrupta Noetling 1901
Gastropoda - Neogastropoda - Terebridae
Terebra (Myurella) protomyuros (Noetling 1901)
Gastropoda - Neogastropoda - Marginellidae
Marginella (Cryptospira) birmanica (Vredenburg 1923)
Gastropoda - Neogastropoda - Muricidae
Murex (Chicoreus) longanensis Martin 1895
Gastropoda - Rostellariidae
Rimella subrimosa (d'Orbigny 1852)
recombined as Varicospira subrimosa
Gastropoda - Strombidae
Tibia cf. protofusus (Vredenburg 1928)
Gastropoda - Cassidae
Semicassis cf. denseplicata
Gastropoda - Ranellidae
Gyrineum bituberculatum
Gastropoda - Bursidae
Bursa elegans
Gastropoda - Cymatiidae
Gyrineum tuberculatum (Risso 1826)
corrected as Ranella tubercularis
Gastropoda - Neotaenioglossa - Calyptraeidae
Calyptraea chinensis (Linnaeus 1758)
Calyptraea rugosa Noetling 1895
see common names

Geography
Country:India
Coordinates: 25.2° North, 89.3° East (view map)
Paleocoordinates:16.1° North, 87.3° 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:76574
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2007-11-23 14:35:58 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2008-11-23 14:35:58
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]