CD54, 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 130497: authorized by József Pálfy, entered by Adam Kocsis on 10.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Actinommacea - Xiphostylidae
Archaeocenosphaera sp.
Archaeocenosphaera sp. Pessagno et al. 1989 radiolarian
 Nassellaria - Ruesticyrtiidae
Pseudotriassocampe sp., Triassocampe cf. diordinis, Triassocampe deweveri, Triassocampe coronata, Triassocampe myterocorys
Pseudotriassocampe sp. Kozur and Mostler 1994 radiolarian
Triassocampe cf. diordinis Bragin 1991 radiolarian
Triassocampe deweveri Nakaseko and Nishimura 1979 radiolarian
Triassocampe coronata Bragin 1991 radiolarian
Triassocampe myterocorys Sugiyama 1992 radiolarian
 Nassellaria - Poulpidae
Hozmadia cf. rotunda
Hozmadia cf. rotunda Nakaseko and Nishimura 1979 radiolarian
 Entactinaria - Hindeosphaeridae
Pseudostylosphaera acrior, Pseudostylosphaera timorensis, Pseudostylosphaera japonica, Pseudostylosphaera cf. nazarovi, ? Parasepsagon sp.
Pseudostylosphaera japonica Nakaseko and Nishimura 1979 radiolarian
Pseudostylosphaera cf. nazarovi Kozur and Mostler 1979 radiolarian
? Parasepsagon sp. Dumitrica et al. 1980 radiolarian
 Entactinaria - Eptingiidae
Eptingium manfredi
Eptingium manfredi Dumitrica 1978 radiolarian
 Spumellaria - Oertlispongidae
Paroertlispongus multispinosus, Paroertlispongus rarispinosus
Paroertlispongus multispinosus Kozur and Mostler 1981 radiolarian
Paroertlispongus rarispinosus Kozur and Mostler 1981 radiolarian
 Spumellaria - Pyramispongiidae
Triassospongosphaera multispinosa
Triassospongosphaera multispinosa Kozur and Mostler 1979 radiolarian
 Spumellaria - Archaeospongoprunidae
Archaeospongoprunum cf. mesotriassicum, Archaeospongoprunum cf. muyinense
Archaeospongoprunum cf. muyinense Feng et al. 2001 radiolarian
 Spumellaria - Pantanelliidae
Pantanellium sp.
Pantanellium sp. Pessagno 1977 radiolarian