Tongtianyan, F. triangula zone (Permian of China)

Where: Guangxi, China (24.2° N, 109.4° E: paleocoordinates 2.1° N, 100.4° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Gufeng Formation, Wuchiapingian (259.9 - 254.2 Ma)

• Gufeng aka Kuhfeng Formation, samples 104-116, Foremanhelena triangula zone

• group of beds-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified chert

Size class: microfossils

Primary reference: Y. J. Wang, Q. Yang, Y. N. Cheng and J. X. Li. 2006. Lopingian (Upper Permian) radiolarian biostratigraphy of south China. Palaeoworld 15:31-53 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 95627: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.04.2010, edited by Wolfgang Kiessling

Creative Commons license: CC BY (attribution)

Taxonomic list

Protozoa
 Spumellaria - Relindellidae
Copicyntroides asteriformis Nazarov and Ormiston 1985 radiolarian
 Spumellaria - Spongodiscidae
"Spongotripus" sp. radiolarian
 Entactinaria - Entactiniidae
Hegleria mammilla Sheng and Wang 1985 radiolarian
Trilonche sp. Hinde 1899 radiolarian
Copicyntra sp. Nazarov and Ormiston 1985 radiolarian
Stigmosphaerostylus "sp. K" RĂ¼st 1892 radiolarian
Stigmosphaerostylus itsukaichiensis Sashida and Tonishi 1985 radiolarian
"Copicyntra akikawaensis" = Paracopicyntra akikawaensis Sashida and Tonishi 1988 radiolarian
 Latentifistularia - Cauletellidae
Ishigaum trifustis De Wever and Caridroit 1984 radiolarian
Pseudotormentus kamigoriensis De Wever and Caridroit 1984 radiolarian
Foremanhelena circula Shang et al. 2001 radiolarian
Foremanhelena triangula De Wever and Caridroit 1984 radiolarian
 Latentifistularia - Ruzhencevispongidae
Ruzhencevispongus uralicus Kozur 1980 radiolarian
 Latentifistularia - Tetratormentidae
Tetragregnon japonicum Sashida and Tonishi 1985 radiolarian
 Latentifistularia - Latentifistulidae
Latentifistula texana Nazarov and Ormiston 1985 radiolarian
Latentibifistula asperspongiosa Sashida and Tonishi 1986 radiolarian
 Latentifistularia - Ormistonellidae
Nazarovella gracilis De Wever and Caridroit 1984 radiolarian
Nazarovella scalae Caridroit and De Wever 1986 radiolarian
Quadricaulis femoris Caridroit and De Wever 1986 radiolarian