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Gnathodus
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Polygnathacea
Family:
Idiognathodontidae
Formal Genus Name and Reference:
Gnathodus PANDER, 1856, p. 33
Type Species:
G. mosquensis, OD
Images
(Click to enlarge in a new window)
Fig. 109, 3. G. bilineatus (Roundy), Visean, Eu. (Belg.), Pa element, upper view, X63 (Austin & others, 1974), for a reconstruction of assemblage, see Fig. 53, 2.
Synonyms
Dryphenotus; Westfalicus
Geographic Distribution
N.Am., L.Carb. (Tournais.-Namur.), Eu.-Asia M.-Afr.-Australia-N.Z.-S.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Miss. (Kinderhook.)N. Am.; L.Carb., Eu.-Asia M.-Afr.-Australia-N.Z.-S.Am. (Namur.)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Penn., N.Am., L.Carb., Eu.-Asia M.-Afr.-Australia-N.Z.-S.Am. (Tournais.)
Ending International Stage:
Bashkirian
Fraction Up In Ending Stage:
100
Ending Date:
315.15
Description
Apparatus probably seximembrate, Pa element scaphate, Pb angulate, M dolabrate, Sa alate, Sb bipennate, Sc bipennate. Pa pectiniform element diagnostic, free blade medial, straight or curved, usually at least half length of element, carina distinct, sculpture of upper surface variable, either isolated nodes, parapets, adcarinal grooves, transverse ridges, or combination of these.
References
Pander, C. H., 1856, Monographie der fossilen Fische des silurischen Systems der russischbaltischen Gouvernements: Akad. Wiss., St. Petersburg, 91 p., 1 text-fig., 7 pl .
Museum or Author Information
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Polygnathacea
Family:
Idiognathodontidae
Formal Genus Name and Reference:
Gnathodus PANDER, 1856, p. 33
Type Species:
G. mosquensis, OD
Images
(Click to enlarge in a new window)
Fig. 109, 3. G. bilineatus (Roundy), Visean, Eu. (Belg.), Pa element, upper view, X63 (Austin & others, 1974), for a reconstruction of assemblage, see Fig. 53, 2.
Synonyms
Dryphenotus; Westfalicus
Geographic Distribution
N.Am., L.Carb. (Tournais.-Namur.), Eu.-Asia M.-Afr.-Australia-N.Z.-S.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Miss. (Kinderhook.)N. Am.; L.Carb., Eu.-Asia M.-Afr.-Australia-N.Z.-S.Am. (Namur.)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Penn., N.Am., L.Carb., Eu.-Asia M.-Afr.-Australia-N.Z.-S.Am. (Tournais.)
Ending International Stage:
Bashkirian
Fraction Up In Ending Stage:
100
Ending Date:
315.15
Description
Apparatus probably seximembrate, Pa element scaphate, Pb angulate, M dolabrate, Sa alate, Sb bipennate, Sc bipennate. Pa pectiniform element diagnostic, free blade medial, straight or curved, usually at least half length of element, carina distinct, sculpture of upper surface variable, either isolated nodes, parapets, adcarinal grooves, transverse ridges, or combination of these.
References
Pander, C. H., 1856, Monographie der fossilen Fische des silurischen Systems der russischbaltischen Gouvernements: Akad. Wiss., St. Petersburg, 91 p., 1 text-fig., 7 pl .