82CB-115 (USGS MR 4622) Three Buttes (Permian of the United States)

Where: Harney County, Oregon (43.9° N, 119.8° W: paleocoordinates 19.6° N, 36.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Leonard (290.1 - 268.0 Ma)

• Albaillella sinuata-Pseudoalbaillella sp. C zones of Ishiga 1986

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified chert

• slope to base-of-slope
• black chert float

Size class: microfossils

Primary reference: C. D. Blome and K. M. Reed. 1992. Permian and Early(?) Triassic radiolarian faunas from the Grindstone Terrane, central Oregon. Journal of Paleontology 66(3):351-383 [W. Kiessling/U. Merkel/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 95632: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Radiolaria
 Albaillellaria - Albaillellidae
Albaillella asymmetrica Ishiga and Imoto 1982 radiolarian
 Entactinaria - Entactiniidae
"Entactinia sp." = Stigmosphaerostylus, Entactinosphaera aff. cimelia, "Hegleria mammifera" = Hegleria mammilla
"Entactinia sp." = Stigmosphaerostylus RĂ¼st 1892 radiolarian
Entactinosphaera aff. cimelia Nazarov and Ormiston 1985 radiolarian
"Hegleria mammifera" = Hegleria mammilla Sheng and Wang 1985 radiolarian
 Latentifistularia - Ormistonellidae
"Nazarovella sp." = Quadricaulis, Nazarovella gracilis
"Nazarovella sp." = Quadricaulis Caridroit and De Wever 1986 radiolarian
Nazarovella gracilis De Wever and Caridroit 1984 radiolarian
 Latentifistularia - Cauletellidae
Praedeflandrella sp. Kozur and Mostler 1989 radiolarian
"Deflandrella sp." = Cauletella Caridroit et al. 1999 radiolarian
"Deflandrella manica" = Cauletella manica De Wever and Caridroit 1984 radiolarian
Triplanospongos dekkasensis Noble and Renne 1990 radiolarian
Pseudotormentus kamigoriensis De Wever and Caridroit 1984 radiolarian
Ishigaum sp. De Wever and Caridroit 1984 radiolarian