Where: India (25.2° N, 89.3° E: paleocoordinates 16.1° N, 87.3° 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 76574: 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 | |
Trisidos tortuosa Linnaeus 1758 clam
Anadara craticulata Nyst 1848 ark
Anadara garoensis n. sp. Mukerjee 1939 ark | |
"Barbatia bataviana" = Arcopsis (Arcopsis) bataviana
"Barbatia bataviana" = Arcopsis (Arcopsis) bataviana Martin 1883 clam SUBSPECIES: B. bataviana carinata
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Ostrea latimarginata Vredenburg 1908 oyster | |
"Pinna (Atrina) cf. vexillum" = Pinna vexillum
"Pinna (Atrina) cf. vexillum" = Pinna vexillum Born 1778 oyster | |
Chlamys jamviniensis, "Chlamys senatoria" = Mimachlamys senatoria
Chlamys jamviniensis Cox 1927 scallop
"Chlamys senatoria" = Mimachlamys senatoria Gmelin 1791 scallop | |
Anomia cf. ephippium Linnaeus 1758 jingle | |
Eucrassatella rostrata Lamarck 1805 clam | |
Ensis sp. Schumacher 1817 clam | |
Corbula tunicosulcata Vredenburg 1928 clam | |
Cardium (Trachycardium) protosubrugosum Noetling 1901 cockle
Cardium (Trachycardium) minbuense Noetling 1901 cockle | |
Apolymetis grimesi tellin clam | |
"Macrocallista erycina" = Costacallista erycina, Hysteroconcha (Lamelliconcha) protophilippinarum, "Clementia papyracea" = Clementia (Clementia) papyracea, "Dosinia subpenicillata" = Dosinia (Dosinisca) subpenicillata, Timoclea subspadicea
"Macrocallista erycina" = Costacallista erycina Linnaeaus 1758 venus clam
Hysteroconcha (Lamelliconcha) protophilippinarum Noetling 1901 venus clam
"Clementia papyracea" = Clementia (Clementia) papyracea Gray 1825 venus clam
"Dosinia subpenicillata" = Dosinia (Dosinisca) subpenicillata Vredenburg 1928 venus clam
Timoclea subspadicea venus clam | |
"Mactra protoreevesii" = Mactra (Mactra) protoreevesii
"Mactra protoreevesii" = Mactra (Mactra) protoreevesii Noetling 1901 clam | |
Lucina pagana Noetling 1901 clam | |
Gastropoda | |
Natica pellistigrina moon snail | |
"Gyrineum tuberculatum" = Ranella tubercularis
"Gyrineum tuberculatum" = Ranella tubercularis Risso 1826 snail | |
Bursa elegans frog shell | |
Gyrineum bituberculatum triton shell | |
Ficus conditus Brongniart 1823 fig shell | |
Tibia cf. protofusus Vredenburg 1928 true conch | |
"Rimella subrimosa" = Varicospira subrimosa
"Rimella subrimosa" = Varicospira subrimosa d'Orbigny 1852 snail | |
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Ancilla (Sparella) birmanica Vredenburg 1921 olive snail | |
Turricula promensis Vredenburg 1921 snail INCLUDES: T. promensis promensis and T. promensis silistrensis
| |
Drillia cf. protointerrupta Noetling 1901 snail | |
Drillia (Brachytoma) tjemoroensis Martin 1903 turrid
Clavatula (Perrona) birmanica Vredenburg 1921 turrid INCLUDES: C (P.) birmanica singuensis and C (P.) birmanica birmanica
Turris (Gemmula) cf. thyrsus Vredenburg 1921 turrid | |
Terebra (Myurella) protomyuros Noetling 1901 auger snail | |
"Conus (Leptoconus) vimineus" = Conasprella (Fusiconus) vimineus, Conus (Lithoconus) odengensis, Conus (Lithoconus) kyudawonensis, Conus (Lithoconus) ineditus, Conus (Lithoconus) decollatus
"Conus (Leptoconus) vimineus" = Conasprella (Fusiconus) vimineus Reeve 1849 cone shell
Conus (Lithoconus) odengensis Martin 1895 cone shell
Conus (Lithoconus) kyudawonensis Vredenburg 1921 cone shell
Conus (Lithoconus) ineditus Michelotti 1861 cone shell
Conus (Lithoconus) decollatus Martin 1884 cone shell | |
Clavolithes (Cyrtulus) seminudus Noetling 1901 snail | |
Nassarius ovum Martin 1879 snail | |
Siphonalia (Kelletia) subspadicea, Babylonia pangkaensis, Babylonia cf. zeylanica, "Cantharus martinianus" = Cantharus martiniana
Siphonalia (Kelletia) subspadicea Vredenburg 1921 true whelk
Babylonia pangkaensis Martin 1895 true whelk
Babylonia cf. zeylanica Lamarck 1822 true whelk
"Cantharus martinianus" = Cantharus martiniana Noetling 1901 true whelk | |
Melongena (Pugilina) praeponderosa Vredenburg 1921 snail | |
Marginella (Cryptospira) birmanica Vredenburg 1923 margin shell | |
Murex (Chicoreus) longanensis Martin 1895 murex snail | |
Cancellaria cf. birmanica, "Cancellaria (Bivetopsia) dertonensis" = Bivetopsia
Cancellaria cf. birmanica Vredenburg 1921 snail
"Cancellaria (Bivetopsia) dertonensis" = Bivetopsia snail | |
Capulus lissus Smith 1894 snail | |
Calyptraea rugosa Noetling 1895 slipper shell
Calyptraea chinensis Linnaeus 1758 slipper shell | |
"Turritella (Torculoidella) angulata" = Kapalmerella ranikoti, Turritella pinfoldi, Turritella kachhensis, Turritella noetlingi
"Turritella (Torculoidella) angulata" = Kapalmerella ranikoti Vredenburg 1928 turret shell
Turritella pinfoldi Vredenburg 1921 turret shell
Turritella noetlingi Vredenburg 1921 turret shell | |
"Architectonica perspectivum" = Architectonica perspectiva
"Architectonica perspectivum" = Architectonica perspectiva Linnaeus 1767 sundial |