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Sporadoceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Clymeniida
Superfamily:
Cheilocerataceae
Family:
Tornoceratidae
Formal Genus Name and Reference:
Sporadoceras HYATT, 1884
Type Species:
Am. muensteri von ВUCH, 1832
Images
(Click to enlarge in a new window)
Fig. 53. *S. muensteri (Вuch), Ger., x1 (68), Fig. 26A. S. biferum (Phillips), Ger., x1 (68), Fig. 54. S. milleri (Flower \\& Caster), Pa., x1.5 (110)
Synonyms
Cryptoclymenia, Maeneceras
Geographic Distribution
Eurasia, N.Afr., W. Austral., E.USA
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
U.Dev.
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Conch subglobular to discoidal, umbilicus small, closed. Sutures with lobes next to ventral lobe formed adventitiously in 1st lateral saddles
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Clymeniida
Superfamily:
Cheilocerataceae
Family:
Tornoceratidae
Formal Genus Name and Reference:
Sporadoceras HYATT, 1884
Type Species:
Am. muensteri von ВUCH, 1832
Images
(Click to enlarge in a new window)
Fig. 53. *S. muensteri (Вuch), Ger., x1 (68), Fig. 26A. S. biferum (Phillips), Ger., x1 (68), Fig. 54. S. milleri (Flower \\& Caster), Pa., x1.5 (110)
Synonyms
Cryptoclymenia, Maeneceras
Geographic Distribution
Eurasia, N.Afr., W. Austral., E.USA
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
U.Dev.
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Conch subglobular to discoidal, umbilicus small, closed. Sutures with lobes next to ventral lobe formed adventitiously in 1st lateral saddles