Gateway to the Paleobiology Database
Horse Heaven Mine (Eocene of the United States)

Where: Jefferson County, Oregon (44.7° N, 120.6° W: paleocoordinates 46.7° N, 104.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Noblett Member (Clarno Formation), Eocene (55.8 - 33.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; lithified shale

• Bedded light-colored shales

Size class: macrofossils

• Six nearly complete specimens

Preservation: adpression

Collected by S. Manchester

Collection methods: quarrying, chemical,

• Repository: Florida Museum of Natural History

Primary reference: L. Grande and M. De Pinna. 1998. Description of a Second Species of the Catfish Hypsidoris and a Reevaluation of the Genus and the Family Hypsidoridae. Journal of Vertebrate Paleontology 18(3):451-474 [S. Peters/S. McMullen] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 134674: authorized by Shanan Peters, entered by Sharon McMullen on 12.10.2012

Creative Commons license: CC BY (attribution)