Uronautes

Uronautes

Taxobox
name = "Uronautes"
fossil_range = Late Cretaceous


image_width = 250px
image_caption =
regnum = Animalia
phylum = Chordata
classis = Reptilia
superordo = Sauropterygia
unranked = Eusauropterygia
ordo = Plesiosauria
familia = Rhomaleosauridae
genus = "?Uronautes"
genus_authority =
subdivision_ranks = Species
subdivision =
*"?U. cetiformis" (Cope, 1876) (type)

"Uronautes" is a dubious genus of extinct plesiosaur from the family Rhomaleosauridae. "Uronautes" is known from several fossilized vertebra, portions of a few limbs, and ribs. [Geological record1880, pg.280 ]

Etymology

The word "Uronautes" comes from a fusion of the two Greek words "Ουρα", meaning "tailed," and "Ναυτεσ", meaning "sailor", or "mariner". [ [http://www.plesiosaur.com/database/genusIndividual.php?i=117 The Plesiosaur Site - Genus ] ] The species name of "U. cetiformis" comes from the Greek word for whale (or any large sea monster), "κῆτος" and the Latin word "forma", which means "shaped", of "formed" meaning "shape". [ [http://www.archives.nd.edu/cgi-bin/lookit.pl?latin=forma Latin Word Lookup ] ]

Taxonomy

"Uronautes" was first described by the American paleontologist, Edward Drinker Cope in 1876 [E. D. Cope. 1876. On some extinct reptiles and Batrachia from the Judith River and Fox Hills Beds of Montana. Proceedings of the Academy of Natural Sciences of Philadelphia 28:340-359] . Because of the small number of supposed "Uronautes" fossils, Samuel Paul Welles described the genus as a "nomen dubium", doubting that the remains were evidence of a true genus in 1956. [ [http://www.ppne.co.uk/index.php?m=show&id=12470 :: Professor Paul's Guide to Reptiles : Sauropterygia;plesiosaurs & their relatives : Extinct reptiles,family Rhomaleosauridae;Rhomaleosaurs : Uronautes ] ] The genus "Uronautes" is still considered a "nomen dubium" which means "dubious name". In zoological nomenclature, a "nomen dubium" is a scientific name that is of unknown or doubtful application.

Description

Like many other rhomaleosaurids, such as "Rhomaleosaurus", "Uronautes" was a short-necked plesiosaur. The Cervical vertebrae are short, with partially attached processes and double-headed ribs. [Fieldiana: Geology, April, 1903, North American Plesiosaurs, Williston. Pg. 11]

Distribution

Supposed "Urounautes" fossils are known from only a few locations: the Cretaceous deposits of the Fox Hills, and in similar deposits near Fort Pierre, and the Judith River, all in Montana. [ Fieldiana: Geology, April, 1903, North American Plesiosaurs, Williston. Pg. 11] [E. D. Cope. 1876. On some extinct reptiles and Batrachia from the Judith River and Fox Hills Beds of Montana. Proceedings of the Academy of Natural Sciences of Philadelphia 28:340-359] .

References

External links

*http://www.biolib.cz/en/taxon/id428614/
*http://paleodb.org/cgi-bin/bridge.pl?action=checkTaxonInfo&taxon_no=36526
*http://www.plesiosaur.com/database/genusIndividual.php?i=117

ee also

*"Aptychodon"
*"Picrocleidus"
*"Scanisaurus"


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