TNK-R-09 (Triassic of Japan)

Where: Tochigi, Japan (36.4° N, 139.6° E: paleocoordinates 36.3° N, 116.5° E)

• coordinate based on nearby landmark

When: Kuzu Complex Group, Spathian (251.3 - 247.2 Ma)

Environment/lithology: basinal (siliceous); lithified chert

Size class: microfossils

Preservation: original silica

Collection methods: bulk,

Primary reference: Y. Kamata. 1999. Lower Triassic (Spathian) radiolarians from the Kuzu area (Tochigi Prefecture, central Japan). Geodiversitas 21(4):657-673 [W. Foster/W. Foster]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 220580: authorized by William Foster, entered by William Foster on 09.06.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Conodonta
 Ozarkodinida - Gondolellidae
"Neospathodus clinatus" = Triassospathodus clinatus, "Neospathodus triangularis" = Novispathodus triangularis, Cornudina igoi, Neohindeodella benderi
"Neospathodus clinatus" = Triassospathodus clinatus Orchard and Sweet 1995 conodont
"Neospathodus triangularis" = Novispathodus triangularis Bender 1970 conodont
Cornudina igoi conodont
Protozoa
 Spumellaria - Angulobracchiidae
Protopsium sp.
Protopsium sp. Pessagno and Poisson 1981 radiolarian
 Spumellaria - Pantanelliidae
? Pantanellium sp.
? Pantanellium sp. Pessagno 1977 radiolarian
 Entactinaria - Entactiniidae
Entactinosphaera sp.
Entactinosphaera sp. Foreman 1963 radiolarian
 Entactinaria - Palaeoscenidiidae
Parentactinia sp., Parentactinia nakatsugawaensis
Parentactinia sp. Dumitrica 1978 radiolarian
Parentactinia nakatsugawaensis Sashida 1983 radiolarian
 Nassellaria - Archaeosemantidae
Archaeosemantis sp., Archaeosemantis cristianensis
Archaeosemantis sp. Dumitrica 1982 radiolarian
Archaeosemantis cristianensis Dumitrica 1982 radiolarian
 Nassellaria - Poulpidae
Hozmadia sp.
Hozmadia sp. Dumitrica et al. 1980 radiolarian