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Nuculana
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeotaxodonta
Order:
Nuculoida
Superfamily:
Nuculanacea
Family:
Nuculanidae
Formal Genus Name and Reference:
Nuculana LINK, 1807, p. 155
Type Species:
Arca rostrata Chemnitz, 1774, OD ( = Arca pernula MÜLLER, 1771)
Images
(Click to enlarge in a new window)
Fig. A6,8a,b, LV ext., dorsal view of conjoined valves, X1.5 (Sars, 1878), 8c, RV hinge, X5.5 (938)
Synonyms
Eptoleda, Exocholeda, Kamaleda, Leda, Ledaspina, Monopleura, Perrisonota, Spineilo, Zygonoleda
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Trias.
Beginning International Stage:
Induan
Fraction Up In Beginning Stage:
0
Beginning Date:
251.9
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Ligament pit narrow, oblique, posterior end produced, with concentric sculpture
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeotaxodonta
Order:
Nuculoida
Superfamily:
Nuculanacea
Family:
Nuculanidae
Formal Genus Name and Reference:
Nuculana LINK, 1807, p. 155
Type Species:
Arca rostrata Chemnitz, 1774, OD ( = Arca pernula MÜLLER, 1771)
Images
(Click to enlarge in a new window)
Fig. A6,8a,b, LV ext., dorsal view of conjoined valves, X1.5 (Sars, 1878), 8c, RV hinge, X5.5 (938)
Synonyms
Eptoleda, Exocholeda, Kamaleda, Leda, Ledaspina, Monopleura, Perrisonota, Spineilo, Zygonoleda
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Trias.
Beginning International Stage:
Induan
Fraction Up In Beginning Stage:
0
Beginning Date:
251.9
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Ligament pit narrow, oblique, posterior end produced, with concentric sculpture