FA-5-1, 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). 0 horizon in P-T boundary

• 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 64503: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 09.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

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