Where: Deschutes County, Oregon (44.4° N, 121.3° W: paleocoordinates 44.4° N, 121.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Terrebonne Formation, Pleistocene (2.6 - 0.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: lacustrine; white diatomite

Size class: microfossils

Primary reference: H. Tanaka and T. Nagumo. 2007. Fine structures of Stephanodiscus excentricus Hust. and S. niagarae Ehrenb. from Terrebonne diatomite, Oregon, USA. Diatom 23:105-112 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184905: authorized by Pete Wagner, entered by Pete Wagner on 29.03.2017

Creative Commons license: CC BY (attribution)