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Vaginoceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Endoceratoidea
Order:
Endocerida
Family:
Endoceratidae
Subfamily:
Genera known from fragmentary conchs, including siphuncles, with apical end and body chamber usually known or poorly known
Formal Genus Name and Reference:
Vaginoceras HYATT, 1883
Type Species:
Endoceras multitubulatum HALL, 1847, OD
Images
(Click to enlarge in a new window)
Fig. 114, 2. V. sp., Norway, 2a, transv. sec. of siphuncle, ×0.5; 2b, long. sec. of conch, ×0.5 (178)
Synonyms
Geographic Distribution
E.N.Am.-?Greenl.-Eu. (Norway)-Asia (Sib.-In. Mongolia)
Age Range
Beginning Stage in Treatise Usage:
M.Ord.
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
M.Ord.
Ending International Stage:
Darriwilian
Fraction Up In Ending Stage:
100
Ending Date:
458.18
Description
Large conchs, like Endoceras, but not reaching giant size; with long, slender endocones of compressed to cuneate cross section, 2 endosiphuncular blades; endosiphuncular tube with compressed or cuneate cross section, septal necks holochoanitic, internally lined with thick connecting rings.
References
Hyatt, Alpheus Flower, R. H., \& Kummel, Bernhard, 1883-84, Genera of fossil cephalopods: Boston Soc. Nat. History, Proc., v. 22, Pt. 3, p. 253-272 Flower, R. H., \& Kummel, Bernhard, ; p. 273-338 Flower, R. H., \& Kummel, Bernhard, .
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Endoceratoidea
Order:
Endocerida
Family:
Endoceratidae
Subfamily:
Genera known from fragmentary conchs, including siphuncles, with apical end and body chamber usually known or poorly known
Formal Genus Name and Reference:
Vaginoceras HYATT, 1883
Type Species:
Endoceras multitubulatum HALL, 1847, OD
Images
(Click to enlarge in a new window)
Fig. 114, 2. V. sp., Norway, 2a, transv. sec. of siphuncle, ×0.5; 2b, long. sec. of conch, ×0.5 (178)
Synonyms
Geographic Distribution
E.N.Am.-?Greenl.-Eu. (Norway)-Asia (Sib.-In. Mongolia)
Age Range
Beginning Stage in Treatise Usage:
M.Ord.
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
M.Ord.
Ending International Stage:
Darriwilian
Fraction Up In Ending Stage:
100
Ending Date:
458.18
Description
Large conchs, like Endoceras, but not reaching giant size; with long, slender endocones of compressed to cuneate cross section, 2 endosiphuncular blades; endosiphuncular tube with compressed or cuneate cross section, septal necks holochoanitic, internally lined with thick connecting rings.
References
Hyatt, Alpheus Flower, R. H., \& Kummel, Bernhard, 1883-84, Genera of fossil cephalopods: Boston Soc. Nat. History, Proc., v. 22, Pt. 3, p. 253-272 Flower, R. H., \& Kummel, Bernhard, ; p. 273-338 Flower, R. H., \& Kummel, Bernhard, .