Where: Baker County, Oregon (44.5° N, 120.6° W)

• Paleocoordinates: 19.5° N, 45.0° W (Wright 2013)

• coordinate estimated from map

• small collection-level geographic resolution

When: Martin Bridge Formation, Norian (228.0 - 208.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Collected by University of Oregon Summer Field Camp in 1981

Primary reference: W. N. Orr and K. T. Katsura. 1985. Oregon's oldest vertebrates [Ichthyosauria(Reptilia)]. Oregon Geology 47(7):75-77 [P. Mannion/J. Tennant]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 140303: authorized by Philip Mannion, entered by Jonathan Tennant on 07.03.2013

Creative Commons license: CC BY (attribution)