Cat-eLog Right Arrow †Hypsidoridae Right Arrow Hypsidoris

Jump to next section Cat-eLog Data Sheet
Scientific Name Hypsidoris farsonensis  Lundberg & Case, 1970
Common Name
Type Locality Green River Formation, Laney Shale member, 3 miles E of Big Sandy Reservoir, Sweetwater County.
Pronunciation Hip see door iss - far sew 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 (Farson, Wyoming).
Jump to next section Species Information
Size 281mm or 11.1" SL. Find near, nearer or same sized spp.
Identification Maxilla toothed. Coronoid process of lower jaw higher than in †H. oregonensis. Intercornual concavity of mesethmoid prominent.
General Remarks Lived in freshwater with gars (Lepisosteidae), bowfins (Amiidae), mooneyes (Hiodontidae), herrings (Clupeidae), suckers (Catostomidae) and ''primitive'' percoids. The climate was probably subtropical.
Jump to next section Habitat Information
Distribution Middle Eocene (ca. 40 million years ago) deposits of the Green River Formation, Sweetwater County, southwest Wyoming, USA.
Green River (Wyoming) (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
References Lundberg, J.G. & G. R. Case, 1970. A new catfish from the Eocene Green River Formation, Wyoming. Journal of Paleontology 44: 451-457.
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Last Update 2017 Dec 29 06:52 (species record created: 2003 Nov 10 00:00)