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Zygites
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Archaeogastropoda
Suborder:
Pleurotomariina
Superfamily:
Pleurotomariacea
Family:
Zygitidae
Formal Genus Name and Reference:
Zygites KITTL, 1891
Type Species:
Pleurotomaria delphinula Laube, 1868 (pro Delphintula cancellata Klipstein, 1845, non KIENER, 1838-9)
Images
(Click to enlarge in a new window)
Fig. 133,4. *Z. delphinula (Laube), S.Tyrol, 4a,b, X2 (64).
Synonyms
Geographic Distribution
Eu.
Age Range
Beginning Stage in Treatise Usage:
M.Trias.(Ladin.)
Beginning International Stage:
Ladinian
Fraction Up In Beginning Stage:
0
Beginning Date:
241.46
Ending Stage in Treatise Usage:
M.Trias.(Ladin.)
Ending International Stage:
Ladinian
Fraction Up In Ending Stage:
100
Ending Date:
237
Description
General surface and selenizone with ornament of cancellating spiral and collabral threads; also strong collabral folds on upper whorl face
References
Kittl, Ernst, 1891-94, Die Gastropoden der Schichten von St. Cassian der südalpinen Trias: Kais. -kön. naturh. Hofmus., Ann., v. 6, p. 166-277, pl. 1-12 (Wien).
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Archaeogastropoda
Suborder:
Pleurotomariina
Superfamily:
Pleurotomariacea
Family:
Zygitidae
Formal Genus Name and Reference:
Zygites KITTL, 1891
Type Species:
Pleurotomaria delphinula Laube, 1868 (pro Delphintula cancellata Klipstein, 1845, non KIENER, 1838-9)
Images
(Click to enlarge in a new window)
Fig. 133,4. *Z. delphinula (Laube), S.Tyrol, 4a,b, X2 (64).
Synonyms
Geographic Distribution
Eu.
Age Range
Beginning Stage in Treatise Usage:
M.Trias.(Ladin.)
Beginning International Stage:
Ladinian
Fraction Up In Beginning Stage:
0
Beginning Date:
241.46
Ending Stage in Treatise Usage:
M.Trias.(Ladin.)
Ending International Stage:
Ladinian
Fraction Up In Ending Stage:
100
Ending Date:
237
Description
General surface and selenizone with ornament of cancellating spiral and collabral threads; also strong collabral folds on upper whorl face
References
Kittl, Ernst, 1891-94, Die Gastropoden der Schichten von St. Cassian der südalpinen Trias: Kais. -kön. naturh. Hofmus., Ann., v. 6, p. 166-277, pl. 1-12 (Wien).