Lang-4, Trat area (Triassic of Thailand)

Where: Thailand (12.2° N, 102.3° E: paleocoordinates 1.1° S, 99.3° E)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Anisian (247.2 - 242.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified chert

• red bedded chert

Size class: microfossils

Primary reference: K. Sashida, S. Adachi, H. Igo, N. Nakornsri, and A. Ampornmaha. 1997. Middle to Upper Permian and Middle Triassic radiolarians from eastern Thailand. Science Reports of the Institute of Geoscience University of Tsukuba, Section B: Geological Sciences 18:1-17 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 131579: authorized by Wolfgang Kiessling, entered by Uta Merkel on 26.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Protozoa
 Nassellaria - Archaeosemantidae
Archaeosemantis cristianensis Dumitrica 1982 radiolarian
 Nassellaria - Ruesticyrtiidae
Triassocampe deweveri Nakaseko and Nishimura 1979 radiolarian
 Entactinaria - Eptingiidae
Eptingium manfredi Dumitrica 1978 radiolarian
 Entactinaria - Hindeosphaeridae
"Pseudostylosphaera spinulosa" = Hindeosphaera spinulosa Nakaseko and Nishimura 1979 radiolarian
Pseudostylosphaera sp. Kozur and Mostler 1981 radiolarian
Pseudostylosphaera aff. japonica Nakaseko and Nishimura 1979 radiolarian
Pseudostylosphaera coccostyla Ruest 1892 radiolarian
 Spumellaria - Capnuchosphaeridae
 Spumellaria - Pyramispongiidae
"Discokatorella cf. tetraspina" = Katorella
"Discokatorella cf. tetraspina" = Katorella radiolarian