Where: Wakayama, Japan (33.9° N, 135.3° E: paleocoordinates 42.6° N, 124.5° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Tuff-Shale Member (Ryujin Formation), Late/Upper Campanian (83.5 - 70.6 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: basinal (siliceous); lithified mudstone
Size class: microfossils
Primary reference: T. Tokiwa, Y. Mori, and H. Suzuki. 2005. Cretaceous radiolarian fossils from the Ryujin Formation of the Shimanto Belt in the Kawabe area, Wakayama Prefecture, southwest Japan. Journal of Earth and Planetary Sciences 52:11-23 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 95766: authorized by Wolfgang Kiessling, entered by Uta Merkel on 27.04.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
| Protozoa | |
|
Patulibracchium sp. Pessagno 1971 radiolarian | |
|
Pseudoaulophacus floresensis Pessagno 1963 radiolarian
Pseudoaulophacus lenticulatus White 1928 radiolarian | |
|
Archaeospongoprunum sp. Pessagno 1973 radiolarian
Archaeospongoprunum salumi Pessagno 1973 radiolarian | |
Dictyomitra sp., Dictyomitra koslovae, Dictyomitra multicostata, Dictyomitra formosa, Archaeodictyomitra sp., Archaeodictyomitra squinaboli
Dictyomitra sp. Zittel 1876 radiolarian
Dictyomitra koslovae Foreman 1975 radiolarian
Dictyomitra multicostata Zittel 1876 radiolarian
Dictyomitra formosa Squinabol 1904 radiolarian
Archaeodictyomitra sp. Pessagno 1977 radiolarian
Archaeodictyomitra squinaboli radiolarian | |
|
Lithocampe manifesta radiolarian
Lithocampe wharanui radiolarian | |
|
Amphipyndax pseudoconulus radiolarian
Amphipyndax tylotus radiolarian
Amphipyndax stocki Campbell and Clark 1944 radiolarian
Amphipyndax mediocris Tan 1927 radiolarian | |
|
Pseudodictyomitra sp. Pessagno 1977 radiolarian | |
|
Theocampe salillum Foreman 1971 radiolarian | |