Where: Gifu, Japan (35.4° N, 137.0° E: paleocoordinates 38.9° N, 114.6° E)
• coordinate stated in text
• small collection-level geographic resolution
When: Anisian (247.2 - 242.0 Ma)
• 6 samples (SMT07, SMT06, SMT05, 1704, SMT02, SMT01)
• bed-level stratigraphic resolution
Environment/lithology: basinal (siliceous); lithified chert
Size class: microfossils
Primary reference: S. Mizutani and T. Koike. 1982. Radiolarians in the Jurassic siliceous shale and in the Triassic bedded chert of Unuma, Kagamigahara City, Gifu Prefecture, central Japan. News of Osaka Micropaleontologists, Special Volume 5:117-134 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 96065: authorized by Wolfgang Kiessling, entered by Uta Merkel on 11.05.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
Tripocyclia japonica radiolarian
? Tripocyclia "sp. A" Haeckel 1881 radiolarian
? Tripocyclia "sp. B" Haeckel 1881 radiolarian | |
Triassocampe "sp. A" Dumitrica et al. 1980 radiolarian
Triassocampe scalaris Dumitrica et al. 1980 radiolarian | |
Pentactinocarpus cf. acanthicus Dumitrica 1978 radiolarian | |
Heptacladus cf. crassispinus Dumitrica et al. 1980 radiolarian | |
"Archaeospongoprunum japonicum" = Pseudostylosphaera japonica, "Archaeospongoprunum tenue" = Pseudostylosphaera tenuis, "Archaeospongoprunum compactum" = Pseudostylosphaera compacta, "Staurodoras variabilis" = Parasepsagon variabilis, "Archaeospongoprunum spinulosum" = Hindeosphaera spinulosa
"Archaeospongoprunum japonicum" = Pseudostylosphaera japonica Nakaseko and Nishimura 1979 radiolarian
"Archaeospongoprunum tenue" = Pseudostylosphaera tenuis Nakaseko and Nishimura 1979 radiolarian
"Archaeospongoprunum compactum" = Pseudostylosphaera compacta Nakaseko and Nishimura 1979 radiolarian
"Staurodoras variabilis" = Parasepsagon variabilis Nakaseko and Nishimura 1979 radiolarian
"Archaeospongoprunum spinulosum" = Hindeosphaera spinulosa Nakaseko and Nishimura 1979 radiolarian | |
Capnodoce sp. De Wever 1979 radiolarian | |
? Staurodoras "sp. A" radiolarian | |
Acanthosphaera sp. Ehrenberg 1859 radiolarian |