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Nucula
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeotaxodonta
Order:
Nuculoida
Superfamily:
Nuculacea
Family:
Nuculidea
Formal Genus Name and Reference:
Nucula LAMARCK, 1799, p. 87
Type Species:
Arca nucleus LINNE, 1758; M
Images
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Synonyms
Lembulus
Geographic Distribution
U.Cret.-Rec., cosmop.
Age Range
Beginning Stage in Treatise Usage:
U.Cret.
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Ovate, normally with polished periostracum.
References
Lamarck, J. B. de, 1799, Prodrome d'une nouvelle classification des coquilles, comprenant une rédaction appropriée des caractères génériques, et l'établissement d'un grand nombre de genres nouveaux: Soc. Histoire Nat. Paris, Mém. v. 1, p. 63-91. 1801, Système des animaux sans vertèbres: viii + 432 p. (Paris).
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeotaxodonta
Order:
Nuculoida
Superfamily:
Nuculacea
Family:
Nuculidea
Formal Genus Name and Reference:
Nucula LAMARCK, 1799, p. 87
Type Species:
Arca nucleus LINNE, 1758; M
Images
(Click to enlarge in a new window)Synonyms
Lembulus
Geographic Distribution
U.Cret.-Rec., cosmop.
Age Range
Beginning Stage in Treatise Usage:
U.Cret.
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Ovate, normally with polished periostracum.
References
Lamarck, J. B. de, 1799, Prodrome d'une nouvelle classification des coquilles, comprenant une rédaction appropriée des caractères génériques, et l'établissement d'un grand nombre de genres nouveaux: Soc. Histoire Nat. Paris, Mém. v. 1, p. 63-91. 1801, Système des animaux sans vertèbres: viii + 432 p. (Paris).