ARH-T33, Oruatemanu Island (Triassic of New Zealand)

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

 Latentifistularia - Ormistonellidae
Nazarovella scalae Caridroit and De Wever 1986 radiolarian
 Latentifistularia - Cauletellidae
Ishigaum sp. De Wever and Caridroit 1984 radiolarian
Cauletella sp. Caridroit et al. 1999 radiolarian
 Entactinaria - Entactiniidae
"Entactinia sp." = Stigmosphaerostylus RĂ¼st 1892 radiolarian
? Copicyntra sp. Nazarov and Ormiston 1985 radiolarian