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Dactylioceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Eoderocerataceae
Family:
Dactylioceratidae
Formal Genus Name and Reference:
Dactylioceras HYATT, 1867
Type Species:
Am. communis J.SOWERBY, 1815, SD ICZN pend.
Images
(Click to enlarge in a new window)
Fig. 284,5. *D. (D.) commune (Sow.), Eng., 5a,b, lectotype, X0.7 (18*), Fig. 285,2. D. (D.) directum (Вucк.) (type species of Orthodactylites), 2a,b, x0.7 (65*)
Synonyms
Kryptodactylites, Tentidactylites, Xeinodactylites, Vermidactylites, Toxodactylites, Athlodactylites, Koinodactylites, Nomodactylites, Curvidactylites, Microdactylites, Leptodactylites, Orthodactylites, Anguidactylites, Peridactylites
Geographic Distribution
Eu.N. Afr. - Persia - Baluch. - Japan-Indon.-N.Z.-Spitz.-NE.Sib.Transbaikal-Greenl.-N.Alaska - Can. - Chile -Arg.
Age Range
Beginning Stage in Treatise Usage:
L.Toarc.
Beginning International Stage:
Toarcian
Fraction Up In Beginning Stage:
0
Beginning Date:
184.2
Ending Stage in Treatise Usage:
L.Toarc.
Ending International Stage:
Toarcian
Fraction Up In Ending Stage:
50
Ending Date:
179.45
Description
Evolute Peri-sthinctes-like planulates, with bifurcating and in part simple ribs, which pass across venter straight or with gentle forward inclination
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Eoderocerataceae
Family:
Dactylioceratidae
Formal Genus Name and Reference:
Dactylioceras HYATT, 1867
Type Species:
Am. communis J.SOWERBY, 1815, SD ICZN pend.
Images
(Click to enlarge in a new window)
Fig. 284,5. *D. (D.) commune (Sow.), Eng., 5a,b, lectotype, X0.7 (18*), Fig. 285,2. D. (D.) directum (Вucк.) (type species of Orthodactylites), 2a,b, x0.7 (65*)
Synonyms
Kryptodactylites, Tentidactylites, Xeinodactylites, Vermidactylites, Toxodactylites, Athlodactylites, Koinodactylites, Nomodactylites, Curvidactylites, Microdactylites, Leptodactylites, Orthodactylites, Anguidactylites, Peridactylites
Geographic Distribution
Eu.N. Afr. - Persia - Baluch. - Japan-Indon.-N.Z.-Spitz.-NE.Sib.Transbaikal-Greenl.-N.Alaska - Can. - Chile -Arg.
Age Range
Beginning Stage in Treatise Usage:
L.Toarc.
Beginning International Stage:
Toarcian
Fraction Up In Beginning Stage:
0
Beginning Date:
184.2
Ending Stage in Treatise Usage:
L.Toarc.
Ending International Stage:
Toarcian
Fraction Up In Ending Stage:
50
Ending Date:
179.45
Description
Evolute Peri-sthinctes-like planulates, with bifurcating and in part simple ribs, which pass across venter straight or with gentle forward inclination