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Sciponoceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ammonitida
Suborder:
Ancyloceratina
Superfamily:
Turrilitaceae
Family:
Baculitidae
Formal Genus Name and Reference:
Sciponoceras HYATT, 1894, p. 578
Type Species:
Hamites baculoides MANTELL, 1822, p. 123, OD
Images
(Click to enlarge in a new window)
Fig. 199, 3a–c. *B. vertebralis, Maastrichtian, The Netherlands, a, b, X, c, enlarged (Binkhorst, 1861).--Fig. 199, 3d, e. B. incurvatus Dujardin, Santonian, France, X 0.75 (Orbigny, 1840-1842)."
Synonyms
Cyrtochilus
Geographic Distribution
worldwide
Age Range
Beginning Stage in Treatise Usage:
Upper Cretaceous (Upper Turonian)
Beginning International Stage:
Turonian
Fraction Up In Beginning Stage:
75
Beginning Date:
90.52
Ending Stage in Treatise Usage:
Upper Cretaceous (Upper Maastrichtian)
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
With strong, prorsiradiate constrictions, with or without ribs on phragmocone, but ribs generally present on body chamber, aperture differing from that of Lechites in having strong folds and high collar
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ammonitida
Suborder:
Ancyloceratina
Superfamily:
Turrilitaceae
Family:
Baculitidae
Formal Genus Name and Reference:
Sciponoceras HYATT, 1894, p. 578
Type Species:
Hamites baculoides MANTELL, 1822, p. 123, OD
Images
(Click to enlarge in a new window)
Fig. 199, 3a–c. *B. vertebralis, Maastrichtian, The Netherlands, a, b, X, c, enlarged (Binkhorst, 1861).--Fig. 199, 3d, e. B. incurvatus Dujardin, Santonian, France, X 0.75 (Orbigny, 1840-1842)."
Synonyms
Cyrtochilus
Geographic Distribution
worldwide
Age Range
Beginning Stage in Treatise Usage:
Upper Cretaceous (Upper Turonian)
Beginning International Stage:
Turonian
Fraction Up In Beginning Stage:
75
Beginning Date:
90.52
Ending Stage in Treatise Usage:
Upper Cretaceous (Upper Maastrichtian)
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
With strong, prorsiradiate constrictions, with or without ribs on phragmocone, but ribs generally present on body chamber, aperture differing from that of Lechites in having strong folds and high collar