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Uraloceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Goniatitida
Superfamily:
Neoicoceratoidea
Family:
Paragastrioceratidae
Formal Genus Name and Reference:
Uraloceras RUZHENTSEV, 1936b, p. 1080
Type Species:
Gastrioceras Suessi KARPINSKII, 1889, p. 52, OD
Images
(Click to enlarge in a new window)
Fig. 104, 4a-c. *U. suessi (KarpinsKiI), Baigendzhinian, Southern Urals, a-b, X 0.5, c, diameter at 100 mm (Ruzhentsev, 1956b)."
Synonyms
Geographic Distribution
Pechora Basin, Pai-Khoi, Vaigach Island), Canada (Arctic, Yukon, British Columbia), USA (Nevada, Alaska), Australia (New South Wales, Queensland), China (Xizang, Nei Mongol, Gansu, Guangxi)
Age Range
Beginning Stage in Treatise Usage:
Cisuralian (Sakmarian)
Beginning International Stage:
Sakmarian
Fraction Up In Beginning Stage:
0
Beginning Date:
293.52
Ending Stage in Treatise Usage:
Cisuralian (Artinskian)
Ending International Stage:
Artinskian
Fraction Up In Ending Stage:
100
Ending Date:
283.3
Description
Similar to Paragastrioceras, but thinner (W/D, generally less than 0.4), usually more involute (Umin/D, 0.3-0.5), and with equidimensional whorl section (H/W, 0.8-1.1)
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Goniatitida
Superfamily:
Neoicoceratoidea
Family:
Paragastrioceratidae
Formal Genus Name and Reference:
Uraloceras RUZHENTSEV, 1936b, p. 1080
Type Species:
Gastrioceras Suessi KARPINSKII, 1889, p. 52, OD
Images
(Click to enlarge in a new window)
Fig. 104, 4a-c. *U. suessi (KarpinsKiI), Baigendzhinian, Southern Urals, a-b, X 0.5, c, diameter at 100 mm (Ruzhentsev, 1956b)."
Synonyms
Geographic Distribution
Pechora Basin, Pai-Khoi, Vaigach Island), Canada (Arctic, Yukon, British Columbia), USA (Nevada, Alaska), Australia (New South Wales, Queensland), China (Xizang, Nei Mongol, Gansu, Guangxi)
Age Range
Beginning Stage in Treatise Usage:
Cisuralian (Sakmarian)
Beginning International Stage:
Sakmarian
Fraction Up In Beginning Stage:
0
Beginning Date:
293.52
Ending Stage in Treatise Usage:
Cisuralian (Artinskian)
Ending International Stage:
Artinskian
Fraction Up In Ending Stage:
100
Ending Date:
283.3
Description
Similar to Paragastrioceras, but thinner (W/D, generally less than 0.4), usually more involute (Umin/D, 0.3-0.5), and with equidimensional whorl section (H/W, 0.8-1.1)