The Yaquina Formation is a geologic formation in Oregon. It preserves fossils dating back to the Paleogene period.

Fossil content Mammals Carnivorans Carnivorans reported from the Yaquina Formation Genus Species Presence Material Notes ImagesEnaliarctosE. barnesiSouth of Beaver Creek, Lincoln County, Oregon.USNM 314295 (anterior half of cranium and associated mandibular rami).A pinnipedimorph.E. sp., cf. E tedfordiOna Beach, Lincoln County, Oregon.UCMP 253400 (associated right mandible, thoracic vertebra & 2 ribs).A pinnipedimorph.

Cetaceans Cetaceans reported from the Yaquina Formation Genus Species Presence Material Notes ImagesAetiocetusA. cotylaveusLincoln County, Oregon.An aetiocetid whale.A. weltoniOna Beach, Lincoln County, Oregon.UCMP 122900.An aetiocetid whale.

Desmostylians Desmostylians reported from the Yaquina Formation Genus Species Presence Material Notes ImagesBehemotopsB. emlongiSeal Rock State Wayside, Lincoln County, Oregon.USNM 244033 & 186889.CornwalliusC. sookensis"2 skulls, 4 partial mandibles, 4 isolated teeth, an innominate & a tibia".A desmostylid.

Fish Bony fish Bony fish reported from the Yaquina Formation Genus Species Presence Material Notes ImagesPaleobathygadusP. yaguinensisSouthwest edge of Waldport.A scale.A bathygadid also known from the Toledo Formation.PromacrurusP. alseanusSouth side of Alsea Bay.A scale.A macrourid.P. oregonensisSouthwest edge of Walport.Scales.A macrourid.PyknolepidusP. macrospinosusSouth side of Alsea Bay.A scale.A macrourid.

Sharks Sharks reported from the Yaquina Formation Genus Species Presence Material Notes Images MegachasmaM. applegatei Upper member, Ona Beach State Park, Lincoln County, Oregon.2 teeth (LACM 122120 and 122121). A megamouth shark also known from the Jewett Sand, Skooner Gulch & Nye Mudstone formations.

See also

List of fossiliferous stratigraphic units in Oregon Paleontology in Oregon

References

Sources