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Clymenia
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Clymeniida
Superfamily:
Clymeniaceae
Family:
Clymeniidae
Formal Genus Name and Reference:
Clymenia MÜNSTER, 1834
Type Species:
Planulites laevigatus Münster, 1832, SD FRECH, 1902
Images
(Click to enlarge in a new window)
Fig. 41,4. *C. laevigata (Münster), Ger., x0.75 (114n).
Synonyms
Clymenites, Endosiphonites, Oxyclymenia, Laevigites
Geographic Distribution
Eu.-?W.Austral.
Age Range
Beginning Stage in Treatise Usage:
U.Dev.(Clymenia z.)
Beginning International Stage:
Famennian
Fraction Up In Beginning Stage:
50
Beginning Date:
365.2
Ending Stage in Treatise Usage:
U.Dev.(Clymenia z.)
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Like Platyclymenia but with very faint, approximately rectilinear growth lines, without marked ribs. Venter rounded or fastigate.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Clymeniida
Superfamily:
Clymeniaceae
Family:
Clymeniidae
Formal Genus Name and Reference:
Clymenia MÜNSTER, 1834
Type Species:
Planulites laevigatus Münster, 1832, SD FRECH, 1902
Images
(Click to enlarge in a new window)
Fig. 41,4. *C. laevigata (Münster), Ger., x0.75 (114n).
Synonyms
Clymenites, Endosiphonites, Oxyclymenia, Laevigites
Geographic Distribution
Eu.-?W.Austral.
Age Range
Beginning Stage in Treatise Usage:
U.Dev.(Clymenia z.)
Beginning International Stage:
Famennian
Fraction Up In Beginning Stage:
50
Beginning Date:
365.2
Ending Stage in Treatise Usage:
U.Dev.(Clymenia z.)
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Like Platyclymenia but with very faint, approximately rectilinear growth lines, without marked ribs. Venter rounded or fastigate.