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Rigauxia
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Caenogastropoda
Superfamily:
Loxonematacea
Family:
Zygopleuridae
Formal Genus Name and Reference:
Rigauxia COSSMANN, 1885
Type Species:
Chemnitzia canaliculata Rigaux & SAUVAGE, 1868, SD Cossmann, 1909
Images
(Click to enlarge in a new window)
Fig. 209,6. *R. canaliculata (Rigaux & Sauvage), M.Jur. (Bathon.), Fr., 6a,b, X1, X1.5 (17).
Synonyms
Geographic Distribution
Fr.-Sinai
Age Range
Beginning Stage in Treatise Usage:
L.Jur.
Beginning International Stage:
Hettangian
Fraction Up In Beginning Stage:
0
Beginning Date:
201.36
Ending Stage in Treatise Usage:
M.Jur.(Callov.)
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
100
Ending Date:
161.53
Description
Very acute, whorls high, feebly concave to feebly convex, with narrow sutural ramp in some species, presence of narrow parasigmoid collabral riblets, low varices, and spiral threads variable
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Caenogastropoda
Superfamily:
Loxonematacea
Family:
Zygopleuridae
Formal Genus Name and Reference:
Rigauxia COSSMANN, 1885
Type Species:
Chemnitzia canaliculata Rigaux & SAUVAGE, 1868, SD Cossmann, 1909
Images
(Click to enlarge in a new window)
Fig. 209,6. *R. canaliculata (Rigaux & Sauvage), M.Jur. (Bathon.), Fr., 6a,b, X1, X1.5 (17).
Synonyms
Geographic Distribution
Fr.-Sinai
Age Range
Beginning Stage in Treatise Usage:
L.Jur.
Beginning International Stage:
Hettangian
Fraction Up In Beginning Stage:
0
Beginning Date:
201.36
Ending Stage in Treatise Usage:
M.Jur.(Callov.)
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
100
Ending Date:
161.53
Description
Very acute, whorls high, feebly concave to feebly convex, with narrow sutural ramp in some species, presence of narrow parasigmoid collabral riblets, low varices, and spiral threads variable