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, Dienerian (250.5 - 251.2 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 95466: authorized by Taniel Danelian, entered by Taniel Danelian on 16.04.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
"Entactinia sp." = Stigmosphaerostylus, Hegleria mammilla, Oruatemanua triassica, ? Entactinosphaera spoerlii, ? Copicyntra sp.
"Entactinia sp." = Stigmosphaerostylus RĂ¼st 1892 radiolarian
Hegleria mammilla Sheng and Wang 1985 radiolarian
Oruatemanua triassica radiolarian
? Entactinosphaera spoerlii radiolarian
? Copicyntra sp. Nazarov and Ormiston 1985 radiolarian | |
Triaenosphaera minuta radiolarian | |
Follicucullus scholasticus Ormiston and Babcock 1979 radiolarian |