All Fishes†HypsidoridaeHypsidoris

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Scientific NameHypsidoris oregonensis  Grande & de Pinna, 1998
Common NameOregon Fossil Catfish
Type LocalityMiddle Eocene Clarno Formation, Oregon.
PronunciationHip see door iss - awr ree goh nen siss
EtymologyThe generic name comes from the Greek hypsi, meaning high and doris, meaning dagger, in reference to the dorsal and pectoral spines. The specific name comes from the type locality (Oregon).
Hop to next section Species Information
Size 127mm or 5" SL. Find near, nearer or same sized spp.
IdentificationMaxilla toothed. Coronoid process of lower jaw lower than in H. farsonensis. Intercornual concavity of mesethmoid weak or absent.
General RemarksLived in freshwater with suckers (Catostomidae) and mooneyes (Hiodontidae). Presence of crocodilian teeth, cycads, palms and banana relatives indicates a tropical or subtropical environment.
Hop to next section Habitat Information
DistributionEarly or middle Eocene (ca. 36-46 million years ago) deposits of the Clarno Formation, Jefferson County, north central Oregon, USA.
Jefferson County (Oregon) (click on these areas to find other species found there)
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Hop to next section Husbandry Information
FeedingAs a fossil species it is best to allow long periods between feedings.
FurnitureThis is a fossil species, and it's best kept in a dry location away from abrasive materials and corrosive chemicals with the occasional dusting.
BreedingKnown only from the fossil record, no breeding information available or indeed useful for the aquarist.
Hop to next section Further Information
ReferencesGrande, L. & 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: 451-474.
Registered KeepersNone.
Breeding ReportsNone.
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Last Update2017 Dec 29 05:33 (species record created: 2004 Feb 02 00:00)