ammonites
86CB-050 (USGS DR 315) Three Buttes (Triassic of the United States)

Where: Harney County, Oregon (43.9° N, 119.7° W: paleocoordinates 16.6° N, 39.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Early/Lower Triassic (252.3 - 247.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified chert

• slope to base-of-slope
• gray-black and green chert rubble

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 95640: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.04.2010, edited by Wolfgang Kiessling