Minbu (Sitsayan stage) (Oligocene of Myanmar)

Where: Myanmar (20.2° N, 94.9° E: paleocoordinates 13.0° N, 98.1° E)

• outcrop-level geographic resolution

When: Sitsayan Formation, Rupelian (33.9 - 28.1 Ma)

• STRATIGRAPHIC DATA: Unknown stratigraphic data other than approximating Stampian in age. Dolin (1997) puts it in the "Cancellaria" martiniana zone and Miocene.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

• 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 76590: 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 blanfordi4 Noetling 1895 top snail
 Cerithioidea - Turritellidae
"Turritella magnasperula" = Turritella (Peyrotia) magnasperula4
"Turritella magnasperula" = Turritella (Peyrotia) magnasperula4 Sacco 1895 turret shell
 Neogastropoda - Mitridae
Volvaria birmanica4 Noetling 1895 mitre shell
 Neogastropoda - Olivellidae
Agaronia pupa1 Sowerby 1840 snail
SUBSPECIES: O. nebulosa pupa
 Neogastropoda - Olividae
Olivella minbuensis n. sp.4 Vredenburg 1921 olive snail
 Neogastropoda - Buccinidae
"Tritonidea martiniana" = Cantharus martiniana3, Hindsia neastriatula4, Hindsia pardalis4, "Cyrtochetus (Loxotaphrus) minbuensis" = Cyrtochetus (Loscotaphrus) minbuensis4, Lacinia minbuensis n. sp.3, Siphonalia (Kelletia) iravadica n. sp.4
"Tritonidea martiniana" = Cantharus martiniana3 Noetling 1901 true whelk
Hindsia neastriatula4 Noetling 1901 true whelk
Hindsia pardalis4 Noetling 1895 true whelk
"Cyrtochetus (Loxotaphrus) minbuensis" = Cyrtochetus (Loscotaphrus) minbuensis4 Noetling 1895 true whelk
Lacinia minbuensis n. sp.3 Vredenburg 1921 true whelk
Siphonalia (Kelletia) iravadica n. sp.4 Vredenburg 1921 true whelk
 Neogastropoda - Nassariidae
"Hindsia birmanica n. sp." = Nassaria birmanica4
"Hindsia birmanica n. sp." = Nassaria birmanica4 Vredenburg 1921 snail
 Neogastropoda - Fasciolariidae
Clavilithes (Cyrtulus) seminudus3, "Lathyrus indicus n. sp." = Latirus indicus4
"Lathyrus indicus n. sp." = Latirus indicus4 Vredenburg 1921 snail
 Neogastropoda - Melongenidae
Melongena (Pugilina) praeponderosa n. sp.3 Vredenburg 1921 snail
 Neogastropoda - Clavatulidae
Clavatula protonodifera n. sp.3 Vredenburg 1921 snail
 Neogastropoda - Conidae
Conus (Lithoconus) ineditus3 Michelotti 1861 cone shell
Conus (Lithoconus) odengensis3 Martin 1895 cone shell
SUBSPECIES: C. odengensis avaemsos
 Neogastropoda - Drilliidae
Drillia protointerrupta4 Noetling 1901 snail
 Neogastropoda - Terebridae
Terebra (Surcula) noetlingi n. sp.4 Vredenburg 1921 auger snail
 Neogastropoda - Turridae
Genotia iravadica n. sp.2 turrid
Surcula (Pleurofusia) fusus4 Vredenburg 1921 turrid
Surcula (Pleurofusia) feddeni n. sp.3 Noetling 1895 turrid
 Neogastropoda - Muricidae
Murex (Muricantha) iravadicus n. sp.4, "Murex (Chicoreus) arakanensis" = Chicoreus4
Murex (Muricantha) iravadicus n. sp.4 Vredenburg 1921 murex snail
"Murex (Chicoreus) arakanensis" = Chicoreus4 murex snail
 Neogastropoda - Volutidae
Athleta (Volutospina) jacobsi n. sp.3 Vredenburg 1921 volute
 Sorbeoconcha - Ficidae
"Pirula concinna" = Ficus4
"Pirula concinna" = Ficus4 fig shell
 Sorbeoconcha - Cymatiidae
Ranella tubercularis4 Risso 1826 snail
 Sorbeoconcha - Cassidae
Cassidea birmanica n. sp.3 Vredenburg 1921 snail
 Sorbeoconcha - Ranellidae
Tritonium (Lampusia) dubium4 Noetling 1895 triton shell
 Sorbeoconcha - Triviidae
"Trivia noetlingi n. sp." = Pusula (Pusula) noetlingi4
"Trivia noetlingi n. sp." = Pusula (Pusula) noetlingi4 Vredenburg 1921 snail
 Sorbeoconcha - Pediculariidae
"Cypraea (Cypraeotrivia) oppenheimi n. sp." = Projenneria neumayri4
"Cypraea (Cypraeotrivia) oppenheimi n. sp." = Projenneria neumayri4 Hilber 1879 snail
Bivalvia
 Mytilida - Mytilidae