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Polygnathus

Classification

    Phylum:  
Conodonta
    Class:  
Conodonta
    Order:  
Conodontophorida
    Superfamily:  
Polygnathacea
    Family:  
Polygnathidae
    Formal Genus Name and Reference:  
Polygnathus HINDE, 1879, p. 361
    Type Species:  
P. dubius, SD Miller, 1889, p. 520, neotype selected by HUDDLE, 1970, p. 1037


Images

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FIG. 110,2. *P. dubius, U.Dev. (L. Mesotaxis asymmetrica Z., Genundewa Ls.), USA(N.Y.); 2a, Pa element, upper view; 2b, Pb element, lat. view; 2e, M element, lat. view; 2d, Sa element, lat. view; 2e, Sc element, lat. view; 2f, Sb element, lat. view; X40 (Klapper & Philip, 1971) .


Synonyms

Hindeodella; Ctenapalygnatlltls


Geographic Distribution

Eu.-N. Afr.-Asia-N. Am.-Australi


Age Range

    Beginning Stage in Treatise Usage:  
L.Dev.(Ems.)
    Beginning International Stage:  
Emsian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
410.51
    Ending Stage in Treatise Usage:  
L. Miss.(low. Visean)
    Ending International Stage:  
Visean
    Fraction Up In Ending Stage:  
33
    Ending Date:  
341.32


Description

Pa element carminiplanate (carminiscaphate in earliest species), Sa element alate with denticulate posterior process. [Reconstruction: KLAPPER & PHILIP, 1971, 1972.]




References

Hinde, G. J., 1879, On conodonts from the Chazy and Cincinnati group of the Cambro-Silurian, and from the Hamilton and Genesee-shale divisions of the Devonian in Canada and the United States: Q.J. Geol. Soc. London, v. 35, p. 351369, pl. 15-17.


Museum or Author Information

Klapper & Philip, 1971