Where: New Zealand (35.0° S, 173.8° E: paleocoordinates 70.0° S, 160.2° E)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Oruatemanu Formation, Griesbachian (251.9 - 250.5 Ma)
• Unit 2b
• bed-level stratigraphic resolution
Environment/lithology: basinal (siliceous); lithified chert
Size class: microfossils
Preservation: original silica
Collection methods: chemical, hydroflouric,
Primary reference: A. Takemura, M. Sakai, S. Sakamoto, R. Aono, S. Takemura and S. Yamakita. 2007. Earliest Triassic Radiolarians from the ARH and ARF sections on Arrow Rocks, Waipapa Terrane, Northland, New Zealand. GNS Science Monograph 24:97-107 [T. Danelian/T. Danelian/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 95465: authorized by Taniel Danelian, entered by Taniel Danelian on 16.04.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
Ishigaum sp. De Wever and Caridroit 1984 radiolarian
Cauletella sp. Caridroit et al. 1999 radiolarian | |
Nazarovella scalae Caridroit and De Wever 1986 radiolarian | |
"Entactinia sp." = Stigmosphaerostylus, ? Copicyntra sp.
"Entactinia sp." = Stigmosphaerostylus RĂ¼st 1892 radiolarian
? Copicyntra sp. Nazarov and Ormiston 1985 radiolarian |