Where: Wheeler County, Oregon (44.6° N, 120.3° W: paleocoordinates 44.3° N, 111.3° W)

• coordinate stated in text

When: John Day Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: mold/impression

Reposited in the UMMP

Primary reference: T. Cavender. 1969. An Oligocene mudminnow (Family Umbridae) from Oregon with remarks on relationships within the Esocoidei. Occasional Papers of the Museum of Zoology, University of Michigan (660)1-36 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 222667: authorized by Patricia Holroyd, entered by Patricia Holroyd on 11.10.2021

Creative Commons license: CC BY (attribution)