HTT-24, Chang Dao radiolarians, Thailand (Triassic of Thailand)

Where: Thailand (19.5° N, 99.0° E: paleocoordinates 6.5° S, 86.0° E)

• coordinate stated in text

• hand sample-level geographic resolution

When: Fang Chert Formation, Pelsonian (247.2 - 242.0 Ma)

• Informal formation name of Bunopas (1981). 0 horizon in P-T boundary.

•Triassocampe coronata zone. Unit 8

• bed-level stratigraphic resolution

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

• dark gray bedded chert

Size class: microfossils

Preservation: original silica

Collection methods: chemical, hydroflouric,

Primary reference: K. Sashida, H. Igo, S. Adachi, K. Ueno, Y. Kajiwara, N. Nakornsri, and A. Sardsud. 2000. Late Permian to Middle Triassic radiolarian faunas from northern Thailand. Journal of Paleontology 74(5):789-811 [W. Kiessling/W. Kiessling/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64517: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 09.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Radiolaria - Actinommidae
Actinomma sp., Thaisphaera sp.
Actinomma sp. Haeckel 1862 radiolarian
Thaisphaera sp. Sashida and Igo 1992 radiolarian
 Radiolaria - Ethmosphaeridae
Cenosphaera igoi n. sp.
Cenosphaera igoi n. sp. radiolarian
 Nassellaria - Archaeosemantidae
Archaeosemantis sp.
Archaeosemantis sp. Dumitrica 1982 radiolarian
 Nassellaria - Anisicyrtiidae
Anisicyrtis aff. italica
 Nassellaria - Poulpidae
Hozmadia "sp. A", Hozmadia spinifera, ? Hozmadia sp.
Hozmadia "sp. A" Dumitrica et al. 1980 radiolarian
Hozmadia spinifera radiolarian
? Hozmadia sp. Dumitrica et al. 1980 radiolarian
 Nassellaria - Ruesticyrtiidae
Triassocampe sp., Triassocampe myterocorys, Triassocampe coronata, ? Pararuesticyrtium sp.
Triassocampe sp. Dumitrica et al. 1980 radiolarian
Triassocampe myterocorys Sugiyama 1992 radiolarian
Triassocampe coronata Bragin 1991 radiolarian
? Pararuesticyrtium sp. Kozur and Mostler 1981 radiolarian
 Nassellaria - Spongosilicarmigeridae
Spongosilicarmiger sp.
Spongosilicarmiger sp. Kozur 1984 radiolarian
 Entactinaria - Pylentonemidae
? Polyentactinia sp.
? Polyentactinia sp. Foreman 1963 radiolarian
 Entactinaria - Palaeoscenidiidae
? Tlecerina apsornae n. sp., Parentactinia inerumis
? Tlecerina apsornae n. sp. radiolarian
[entered as Tiecerina apsornae]
Parentactinia inerumis radiolarian
[entered as Paraentactinia inerumis]
 Entactinaria - Eptingiidae
Eptingium manfredi, Spongostephanidium sp.
Eptingium manfredi Dumitrica 1978 radiolarian
Spongostephanidium sp. Dumitrica 1978 radiolarian
 Entactinaria - Multiarcusellidae
? Tiborella sp.
? Tiborella sp. Dumitrica et al. 1980 radiolarian
 Entactinaria - Entactiniidae
Entactinosphaera cf. chiakensis
 Radiolaria -
Spumellaria indet.
Spumellaria indet. Ehrenberg 1875 radiolarian
 Spumellaria - Capnuchosphaeridae
? Plafkerium sp.
? Plafkerium sp. Pessagno et al. 1979 radiolarian
 Spumellaria - Pantanelliidae
Pantanellium sp.
Pantanellium sp. Pessagno 1977 radiolarian