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
 Trochoidea - Trochidae
Calliostoma singunese n. sp.4 top snail
 Sorbeoconcha - 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 - Personidae
Distorsio decipiens1 Reeve 1844 snail
SUBSPECIES: P. reticulata subclathrata
 Neogastropoda - Fasciolariidae
 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 (Pugilina) praeponderosa n. sp.4 Vredenburg 1921 snail
Melongena pseudobucephala n. sp.3 Noetling 1901 snail
Melongena acanthina3 Dalton 1908 snail
 Neogastropoda - Olivellidae
Agaronia pupa1 Sowerby 1840 snail
SUBSPECIES: O. nebulosa pupa
 Neogastropoda - Mitridae
Mitra singuensis n. sp.3 Vredenburg 1921 mitre shell
 Neogastropoda - Clavatulidae
Clavatula protonodifera n. sp.4 Vredenburg 1921 snail
 Neogastropoda - Turridae
Pleurotoma (Hemipleurotoma) singuensis n. sp. Vredenburg 1921 turrid
Genotia iravadica n. sp.2 turrid
Genotia singuensis n. sp.2 Vredenburg 1921 turrid
Clavatula (Perrona) birmanica n. sp. Vredenburg 1921 turrid
SUBSPECIES: Clavatula (Perrona) birmanica singensis
Surcula (Pleurofusia) feddeni n. sp.3 Noetling 1895 turrid
Surcula (Pleurofusia) fusus4 Vredenburg 1921 turrid
 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
 Neogastropoda - Conidae
Conus (Conospira) galensis3 Noetling 1901 cone shell
Conus (Lithoconus) odengenesis3 cone shell
SUBSPECIES: O. odengensis avaensis
Conus (Lithoconus) ineditus3 Michelotti 1861 cone shell
Conus (Leptoconus) protofurvus3 Noetling 1901 cone shell
 Neogastropoda - Turbinellidae
Vasum basilicum3 Bellardi 1872 snail
 Neogastropoda - Volutidae
Athleta (Volutospina) jacobsi n. sp.3 Vredenburg 1921 volute
 Neogastropoda - Marginellidae
Marginella singuensis n. sp.3 Vredenburg 1921 margin shell
 Neogastropoda - Muricidae
Purpura (Polytropalicus) singuensis n. sp.3 Vredenburg 1921 murex snail
 Sorbeoconcha - Ficidae
"Pirula condita" = Ficus condita3
"Pirula condita" = Ficus condita3 Brongniart 1823 fig shell
SUBSPECIES: P. condita singuensis
 Sorbeoconcha - Cypraeidae
"Cypraea (Bernayia) singuensis n. sp." = Barycypraea singuensis3
"Cypraea (Bernayia) singuensis n. sp." = Barycypraea singuensis3 Vredenburg 1921 cowry
 Cerithioidea - Turritellidae
"Turritella magnasperula" = Turritella (Peyrotia) magnasperula4, "Turritella angulata" = Kapalmerella ranikoti4
"Turritella magnasperula" = Turritella (Peyrotia) magnasperula4 Sacco 1895 turret shell
"Turritella angulata" = Kapalmerella ranikoti4 Vredenburg 1928 turret shell