Cat-eLog Right Arrow †Hypsidoridae Right Arrow Hypsidoris

Jump to next section Cat-eLog Data Sheet
Scientific Name Hypsidoris oregonensis  Grande & de Pinna, 1998
Common Name Oregon Fossil Catfish
Type Locality Middle Eocene Clarno Formation, Oregon.
Pronunciation Hip see door iss - awr ree goh nen siss
Etymology The 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).
Jump to next section Species Information
Size 127mm or 5" SL. Find near, nearer or same sized spp.
Identification Maxilla toothed. Coronoid process of lower jaw lower than in H. farsonensis. Intercornual concavity of mesethmoid weak or absent.
General Remarks Lived in freshwater with suckers (Catostomidae) and mooneyes (Hiodontidae). Presence of crocodilian teeth, cycads, palms and banana relatives indicates a tropical or subtropical environment.
Jump to next section Habitat Information
Distribution Early 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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Jump to next section Husbandry Information
Feeding As a fossil species it is best to allow long periods between feedings.
Furniture This is a fossil species, and it's best kept in a dry location away from abrasive materials and corrosive chemicals with the occasional dusting.
Breeding Known only from the fossil record, no breeding information available or indeed useful for the aquarist.
Breeding Reports There is no breeding report.
Jump to next section Further Information
Reference Grande, 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.
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Last Update 2017 Dec 29 05:33 (species record created: 2004 Feb 02 00:00)