Singu (Singu stage) (Oligocene of Myanmar)

Where: Myanmar (20.9° N, 94.9° E: paleocoordinates 14.0° N, 97.5° E)

• outcrop-level geographic resolution

When: Singu Formation, Chattian (28.1 - 23.0 Ma)

• STRATIGRAPHIC DATA: Unknown stratigraphic data other than approximating Chattian in age.

• formation-level stratigraphic resolution

Environment/lithology: marine

• ENVIRONMENT: Unknown.
• SPECIFIC LITHOLOGY: Unknown. LITHIFICATION: Unknown.

Size class: macrofossils

Collection methods: surface (in situ),

• COLLECTORS: Include R. Bahadur, S. R. Rau, and the Burma Oil Co. and British Burma Petroleum Co. REPOSITORY: Unknown, probably Geological Survey of India, or BMNH.

Primary reference: E. Vredenburg. 1921. Comparative diagnoses of Pleurotomidae from the Tertiary formations of Burma. Records of the Geological Survey of India 53:83-129 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 76588: authorized by Austin Hendy, entered by Austin Hendy on 23.11.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• COMPLETENESS: Only include taxonomic groups (families of gastropoda and bivalvia) described in various articles entered. NOMENCLATURE: Antiquated, but designated to species and subgenus resolution in authoritative publication, and can be revised with more recent publications (e.g. Murkejee, 1939; Harzhauser, 2007).
Gastropoda
 Neogastropoda - Olivellidae
Agaronia pupa1 Sowerby 1840 snail
SUBSPECIES: O. nebulosa pupa
 Neogastropoda - Buccinidae
"Tritonidea martiniana" = Cantharus martiniana3, Lacinia minbuensis n. sp.3
"Tritonidea martiniana" = Cantharus martiniana3 Noetling 1901 true whelk
Lacinia minbuensis n. sp.3 Vredenburg 1921 true whelk
 Neogastropoda - Melongenidae
Melongena acanthina3 Dalton 1908 snail
Melongena pseudobucephala n. sp.3 Noetling 1901 snail
Melongena (Pugilina) praeponderosa n. sp.4 Vredenburg 1921 snail
 Neogastropoda - Fasciolariidae
 Neogastropoda - Mitridae
Mitra singuensis n. sp.3 Vredenburg 1921 mitre shell
 Neogastropoda - Marginellidae
Marginella singuensis n. sp.3 Vredenburg 1921 margin shell
 Neogastropoda - Volutidae
Athleta (Volutospina) jacobsi n. sp.3 Vredenburg 1921 volute
 Neogastropoda - Turbinellidae
Vasum basilicum3 Bellardi 1872 snail
 Neogastropoda - Muricidae
Purpura (Polytropalicus) singuensis n. sp.3 Vredenburg 1921 murex snail
 Neogastropoda - Turridae
Clavatula protonodifera n. sp.4 Vredenburg 1921 turrid
Surcula (Pleurofusia) feddeni n. sp.3 Noetling 1895 turrid
Surcula (Pleurofusia) fusus4 Vredenburg 1921 turrid
Clavatula (Perrona) birmanica n. sp. Vredenburg 1921 turrid
SUBSPECIES: Clavatula (Perrona) birmanica singensis
Pleurotoma (Hemipleurotoma) singuensis n. sp. Vredenburg 1921 turrid
Genotia iravadica n. sp.2 turrid
Genotia singuensis n. sp.2 Vredenburg 1921 turrid
 Neogastropoda - Conidae
Conus (Leptoconus) protofurvus3 Noetling 1901 cone shell
Conus (Conospira) galensis3 Noetling 1901 cone shell
Conus (Lithoconus) odengenesis3 cone shell
SUBSPECIES: O. odengensis avaensis
Conus (Lithoconus) ineditus3 Michelotti 1861 cone shell
 Neogastropoda - Terebridae
"Terebra quettensis n. sp." = Myurella quettensis3, "Terebra (Myurella) quettensis n. sp." = Myurella quettensis4
"Terebra quettensis n. sp." = Myurella quettensis3 Vredenburg 1921 auger snail
"Terebra (Myurella) quettensis n. sp." = Myurella quettensis4 Vredenburg 1921 auger snail
 Ficoidea - Ficidae
"Pirula condita" = Ficus condita3
"Pirula condita" = Ficus condita3 Brongniart 1823 fig shell
SUBSPECIES: P. condita singuensis
 Cypraeoidea - Cypraeidae
"Cypraea (Bernayia) singuensis n. sp." = Barycypraea singuensis3
"Cypraea (Bernayia) singuensis n. sp." = Barycypraea singuensis3 Vredenburg 1921 cowry
 Tonnoidea - Personidae
Distorsio decipiens1 Reeve 1844 snail
SUBSPECIES: P. reticulata subclathrata
 Tonnoidea - Cassidae
"Cassidea echinophoria" = Cassis3, Cassidea birmanica n. sp.3
"Cassidea echinophoria" = Cassis3 snail
SUBSPECIES: C. echinophoria monilifera
Cassidea birmanica n. sp.3 Vredenburg 1921 snail
 Sorbeoconcha - Turritellidae
"Turritella angulata" = Kapalmerella ranikoti4, "Turritella magnasperula" = Turritella (Peyrotia) magnasperula4
"Turritella angulata" = Kapalmerella ranikoti4 Vredenburg 1928 turret shell
"Turritella magnasperula" = Turritella (Peyrotia) magnasperula4 Sacco 1895 turret shell
 Trochoidea - Trochidae
Calliostoma singunese n. sp.4 top snail