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


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).
 Mytilida - Mytilidae
 Cerithiacea - Turritellidae
"Turritella magnasperula" = Turritella (Peyrotia) magnasperula4
"Turritella magnasperula" = Turritella (Peyrotia) magnasperula4 Sacco 1895 turret shell
 Neogastropoda - Olividae
Olivella minbuensis n. sp.4 Vredenburg 1921 olive snail
 Neogastropoda - Olivellidae
Agaronia pupa1 Sowerby 1840 snail
SUBSPECIES: O. nebulosa pupa
 Neogastropoda - Borsoniidae
Conus (Lithoconus) odengensis3 Martin 1895 cone shell
SUBSPECIES: C. odengensis avaemsos
Conus (Lithoconus) ineditus3 Michelotti 1861 cone shell
Drillia protointerrupta4 Noetling 1901 cone shell
Terebra (Surcula) noetlingi n. sp.4 Vredenburg 1921 auger snail
Clavatula protonodifera n. sp.3 Vredenburg 1921 turrid
Surcula (Pleurofusia) feddeni n. sp.3 Noetling 1895 turrid
Surcula (Pleurofusia) fusus4 Vredenburg 1921 turrid
Genotia iravadica n. sp.2 turrid
 Neogastropoda - Mitridae
Volvaria birmanica4 Noetling 1895 mitre shell
 Neogastropoda - Volutidae
Athleta (Volutospina) jacobsi n. sp.3 Vredenburg 1921 volute
 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 - Buccinidae
Siphonalia (Kelletia) iravadica n. sp.4, "Cyrtochetus (Loxotaphrus) minbuensis" = Cyrtochetus (Loscotaphrus) minbuensis4, "Tritonidea martiniana" = Cantharus martiniana3, Hindsia pardalis4, Hindsia neastriatula4, Lacinia minbuensis n. sp.3, Clavilithes (Cyrtulus) seminudus3, "Lathyrus indicus n. sp." = Latirus indicus4, "Pirula concinna" = Melongena (Pyrula)4, Melongena (Pugilina) praeponderosa n. sp.3, "Hindsia birmanica n. sp." = Nassaria birmanica4
Siphonalia (Kelletia) iravadica n. sp.4 Vredenburg 1921 true whelk
"Cyrtochetus (Loxotaphrus) minbuensis" = Cyrtochetus (Loscotaphrus) minbuensis4 Noetling 1895 true whelk
"Tritonidea martiniana" = Cantharus martiniana3 Noetling 1901 true whelk
Hindsia pardalis4 Noetling 1895 true whelk
Hindsia neastriatula4 Noetling 1901 true whelk
Lacinia minbuensis n. sp.3 Vredenburg 1921 true whelk
Clavilithes (Cyrtulus) seminudus3 Noetling 1901 true whelk
"Lathyrus indicus n. sp." = Latirus indicus4 Vredenburg 1921 true whelk
"Pirula concinna" = Melongena (Pyrula)4 true whelk
Melongena (Pugilina) praeponderosa n. sp.3 Vredenburg 1921 true whelk
"Hindsia birmanica n. sp." = Nassaria birmanica4 Vredenburg 1921 true whelk
 Velutinoidea - Triviidae
"Trivia noetlingi n. sp." = Pusula (Pusula) noetlingi4
"Trivia noetlingi n. sp." = Pusula (Pusula) noetlingi4 Vredenburg 1921 snail
 Cypraeoidea - Pediculariidae
"Cypraea (Cypraeotrivia) oppenheimi n. sp." = Projenneria neumayri4
"Cypraea (Cypraeotrivia) oppenheimi n. sp." = Projenneria neumayri4 Hilber 1879 snail
 Tonnoidea - Bursidae
Cassidea birmanica n. sp.3 Vredenburg 1921 frog shell
Tritonium (Lampusia) dubium4 Noetling 1895 triton shell
Ranella tubercularis4 Risso 1826 triton shell
 Trochoidea - Trochidae
Calliostoma blanfordi4 Noetling 1895 top snail