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Apatognathus
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Conodontophorida - SuperFamily Unknown
Family:
SuperFamily Unknown - Family Unknown
Formal Genus Name and Reference:
Apatognathus Branson & MEHL, 1934a, p. 201
Type Species:
A. varians, OD
Images
(Click to enlarge in a new window)
Fig. 119, 3. *A. varians, U.Dev. (Bispathodus costatus Z.), Australia (W.Australia), Sa element, inner view, X45 (Glenister & Klapper, 1966).
Synonyms
Geographic Distribution
Eu.-N. Am.-Australia
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
U.Miss.
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Sa element with anterior and posterior processes forming symmetrical arch, but cusp twisted posteriorly, both processes flexed inward, commonly with cyclic alternation of diagonally offset denticles.
References
Museum or Author Information
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Conodontophorida - SuperFamily Unknown
Family:
SuperFamily Unknown - Family Unknown
Formal Genus Name and Reference:
Apatognathus Branson & MEHL, 1934a, p. 201
Type Species:
A. varians, OD
Images
(Click to enlarge in a new window)
Fig. 119, 3. *A. varians, U.Dev. (Bispathodus costatus Z.), Australia (W.Australia), Sa element, inner view, X45 (Glenister & Klapper, 1966).
Synonyms
Geographic Distribution
Eu.-N. Am.-Australia
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
U.Miss.
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Sa element with anterior and posterior processes forming symmetrical arch, but cusp twisted posteriorly, both processes flexed inward, commonly with cyclic alternation of diagonally offset denticles.