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Agoniatites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Agoniatitida
Suborder:
Anarcestina
Superfamily:
Anarcestaceae
Family:
Agoniatitidae
Formal Genus Name and Reference:
Agoniatites MEEK, 1877
Type Species:
Gon. vanuxemi HALL, 1879
Images
(Click to enlarge in a new window)
Figs. 17, 18. * A. vanuxemi (Hall), M.Dev., N.Y., 17, X0.3, 18, X0.7 (107). -Fig. 13C. A. costulatus (D'Archaic & De Verneuil), M.Dev., Ger., enlarged (73).
Synonyms
Geographic Distribution
Eurasia, N.Afr., Austral., N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Dev.
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
M.Dev.
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Imperforate umbilicus, Sutures form 4 lobes
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Agoniatitida
Suborder:
Anarcestina
Superfamily:
Anarcestaceae
Family:
Agoniatitidae
Formal Genus Name and Reference:
Agoniatites MEEK, 1877
Type Species:
Gon. vanuxemi HALL, 1879
Images
(Click to enlarge in a new window)
Figs. 17, 18. * A. vanuxemi (Hall), M.Dev., N.Y., 17, X0.3, 18, X0.7 (107). -Fig. 13C. A. costulatus (D'Archaic & De Verneuil), M.Dev., Ger., enlarged (73).
Synonyms
Geographic Distribution
Eurasia, N.Afr., Austral., N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Dev.
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
M.Dev.
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Imperforate umbilicus, Sutures form 4 lobes