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Theodoxus
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Archaeogastropoda
Suborder:
Neritopsina
Superfamily:
Neritacea
Family:
Neritaridae
Subfamily:
Neritarinae
Formal Genus Name and Reference:
Theodoxus MONTFORT, 1810
Type Species:
T. lutetianus (=Nerita fiuviatilis LINNÉ, 1758, ICZN Op. 335, 1955)
Images
(Click to enlarge in a new window)
Fig. 184,5. *T. (T.) fiuviatilis (Linné), Rec., Ger., X1.5 (147).
Synonyms
Theodoxis, Elea, Neritoglobus, Theodoxia, Theodora, Theodorus
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Oligo.
Beginning International Stage:
Rupelian
Fraction Up In Beginning Stage:
0
Beginning Date:
33.9
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Small, obliquely ovate, spire low or elevated; labial area smooth, with smooth or dentate margin; operculum smooth. [Fluviatile.]
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Archaeogastropoda
Suborder:
Neritopsina
Superfamily:
Neritacea
Family:
Neritaridae
Subfamily:
Neritarinae
Formal Genus Name and Reference:
Theodoxus MONTFORT, 1810
Type Species:
T. lutetianus (=Nerita fiuviatilis LINNÉ, 1758, ICZN Op. 335, 1955)
Images
(Click to enlarge in a new window)
Fig. 184,5. *T. (T.) fiuviatilis (Linné), Rec., Ger., X1.5 (147).
Synonyms
Theodoxis, Elea, Neritoglobus, Theodoxia, Theodora, Theodorus
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Oligo.
Beginning International Stage:
Rupelian
Fraction Up In Beginning Stage:
0
Beginning Date:
33.9
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Small, obliquely ovate, spire low or elevated; labial area smooth, with smooth or dentate margin; operculum smooth. [Fluviatile.]