Route 2318, NW of Ban Nam Suai Tha sa-at (Permian of Thailand)

Where: Thailand (17.5° N, 101.9° E: paleocoordinates 16.4° S, 98.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Neoschwagerina simplex foram zone, Nam Maholan Formation, Roadian (272.3 - 268.8 Ma)

• Considered to be early Murgabian, correlative to Neoschwagerina simplex zones of Pamirs or N. simplex and Presumatrina schellwieni zones of Rat Buri.

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, shelly/skeletal, black grainstone

• Black impure algae-foraminifera grainstone.

Size class: microfossils

Collected by Ueno, Sakagami in 1988

Collection methods: peel or thin section,

• Repository: Institute of Geoscience, University of Tsukuba (IGUT)

Primary reference: K. Ueno and S. Sakagami. 1993. Middle Permian foraminifers from Ban Nam Suai Tha Sa-at, Changwat Loei, northeast Thailand. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 172:277-291 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 128238: authorized by Matthew Clapham, entered by Matthew Clapham on 04.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Nodosariata
 Nodosariida - Nodosariidae
Nodosaria sp. Lamarck 1812
Foraminifera
 Lagenina - Protonodosariidae
  -
  - Spiroplectamminidae
Spiroplectammina sp. Cushman 1927
 Ammodiscoidea - Ammodiscidae
? Glomospira sp. Rzehak 1895
Tubothalamea
 Miliolida - Hemigordiopsidae
Foraminifera
 Fusulinina - Tuberitinidae
 Fusulinina - Pseudoammodiscidae
 Endothyroidea - Endothyridae
 Fusulinoidea - Staffellidae
 Fusulinoidea - Neoschwagerinidae
 Fusulinoidea - Schwagerinidae
Parafusulina sp. Dunbar and Skinner 1931
 Fusulinoidea - Schubertellidae
 Fusulinoidea - Verbeekinidae
Verbeekina verbeeki Geinitz and Marek 1876
 Fusulinoidea - Boultoniidae
? Dunbarula sp., "Minojapanella (Russiella) sp." = Russiella
? Dunbarula sp. Ciry 1948
"Minojapanella (Russiella) sp." = Russiella Miklukho-Maclay 1957
 Palaeotextularoidea - Palaeotextulariidae
 Palaeotextularoidea - Biseriamminidae
 Fusulinina - Geinitzinidae
 Fusulinina - Pachyphloiidae
 Tetrataxoidea - Tetrataxidae
Tetrataxis sp. Ehrenberg 1854