CD45, Ban Nawai Section, Chiang Dao area (Triassic of Thailand)

Where: Thailand (19.5° N, 98.9° E: paleocoordinates 6.6° S, 86.0° E)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Illyrian (247.2 - 242.0 Ma)

• late Illyrian (latest Anisian)

Environment/lithology: basinal (siliceous); lithified, brown, gray chert

• brown and grey cherts with claystone partings and siliceous shale intercalations. Thickness of the chert beds ranges between 3 and 10 cm

Size class: microfossils

Primary reference: H. Thassanapak, Q. L. Feng, J. Grant-Mackie, C. Chonglakmani, and N. Thanee. 2011. Middle Triassic radiolarian faunas from Chiang Dao, Northern Thailand. Palaeoworld 20:179-202 [J. Pálfy/A. Kocsis]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 130495: authorized by József Pálfy, entered by Adam Kocsis on 10.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Protozoa
 Actinommacea - Xiphostylidae
Archaeocenosphaera sp. Pessagno et al. 1989 radiolarian
 Nassellaria - Ruesticyrtiidae
Triassocampe deweveri Nakaseko and Nishimura 1979 radiolarian
Triassocampe cf. diordinis Bragin 1991 radiolarian
"Annulotriassocampe cf. sulovensis" = Triassocampe sulovensis Kozur and Mock 1981 radiolarian
Triassocampe myterocorys Sugiyama 1992 radiolarian
Triassocampe scalaris Dumitrica et al. 1980 radiolarian
Triassocampe coronata Bragin 1991 radiolarian
Striatotriassocampe nodosoannulata Kozur and Mostler 1994 radiolarian
 Nassellaria - Poulpidae
Hozmadia cf. rotunda Nakaseko and Nishimura 1979 radiolarian
 Entactinaria - Hindeosphaeridae
Pseudostylosphaera japonica Nakaseko and Nishimura 1979 radiolarian
Pseudostylosphaera cf. nazarovi Kozur and Mostler 1979 radiolarian
 Radiolaria - Actinommidae
Acanthosphaera sp. Ehrenberg 1859 radiolarian
 Spumellaria - Oertlispongidae
Paroertlispongus multispinosus Kozur and Mostler 1981 radiolarian
Paroertlispongus rarispinosus Kozur and Mostler 1981 radiolarian
"Pseudoertlispongus angulatus" = Paroertlispongus radiolarian