FA-5-3, Chang Dao radiolarians, Thailand (Permian of Thailand)

Where: Thailand (19.5° N, 99.0° E: paleocoordinates 15.8° S, 87.4° E)

• coordinate stated in text

• hand sample-level geographic resolution

When: Fang Chert Formation, Changhsingian (254.2 - 252.2 Ma)

• Informal formation name of Bunopas (1981)

• 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 64497: 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 - Ethmosphaeridae
? Cenosphaera rugosa n. sp.
? Cenosphaera rugosa n. sp. radiolarian
 Latentifistularia - Ormistonellidae
"Nazarovella inflata" = Quadriremis inflata, "? Nazarovella sp." = Quadricaulis, Nazarovella gracilis
"Nazarovella inflata" = Quadriremis inflata Sashida and Tonishi 1986 radiolarian
"? Nazarovella sp." = Quadricaulis Caridroit and De Wever 1986 radiolarian
Nazarovella gracilis De Wever and Caridroit 1984 radiolarian
 Latentifistularia - Pseudolitheliidae
Grandetortura nipponica
Grandetortura nipponica Sashida and Tonishi 1991 radiolarian
 Latentifistularia - Latentifistulidae
Latentibifistula asperspongiosa
Latentibifistula asperspongiosa Sashida and Tonishi 1986 radiolarian
 Latentifistularia - Cauletellidae
Ishigaum trifustis, Triplanospongos musashiensis
Ishigaum trifustis De Wever and Caridroit 1984 radiolarian
Triplanospongos musashiensis Sashida and Tonishi 1988 radiolarian
 Albaillellaria - Albaillellidae
Albaillella triangularis, Albaillella aff. excelsa, Albaillella levis, Neoalbaillella optima
Albaillella triangularis Ishiga et al. 1982 radiolarian
Albaillella aff. excelsa Ishiga et al. 1982 radiolarian
Albaillella levis Ishiga et al. 1982 radiolarian
Neoalbaillella optima Ishiga et al. 1982 radiolarian
 Entactinaria - Entactiniidae
Copicyntra sp., Hegleria mammilla, "Entactinia itsukaichiensis" = Stigmosphaerostylus itsukaichiensis, Entactinosphaera pseudocimelia
Copicyntra sp. Nazarov and Ormiston 1985 radiolarian
[entered as Copycyntra sp.]
Hegleria mammilla Sheng and Wang 1985 radiolarian
"Entactinia itsukaichiensis" = Stigmosphaerostylus itsukaichiensis Sashida and Tonishi 1985 radiolarian
Entactinosphaera pseudocimelia Sashida and Tonishi 1988 radiolarian
 Spumellaria - Archaeospongoprunidae
"? Pseudospongoprunum chiangdaoensis" = Archaeospongoprunum chiangdaoensis
"? Pseudospongoprunum chiangdaoensis" = Archaeospongoprunum chiangdaoensis Sashida 2000 radiolarian
 Spumellaria - Orbiculiformidae
Orbiculiformidae indet.
Orbiculiformidae indet. Pessagno 1973 radiolarian