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Neostreptognathodus
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Polygnathacea
Family:
Anchignathodontidae
Formal Genus Name and Reference:
Neostreptognathodus whitei RHODES, 1963, p. 404
Type Species:
gnathodus whitei RHODES, 1963, p. 404, OD
Images
(Click to enlarge in a new window)
Fig. 114, 3. *S. whitei (Rhodes), L.Perm., USA (Nev.), upper view, X65 (Clark, n)
Synonyms
Vjalovites
Geographic Distribution
N.Am.-S.Am.-Asia
Age Range
Beginning Stage in Treatise Usage:
L.Perm., ?U.Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
L.Perm., ?U.Perm.
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Apparatus unknown. Pa element scaphate, pectiniforrn with slender free anterior blade from one-third to onehalf total length of element; trough along midline; edges smooth to parapet-form. [This element is a homeomorph of Carboniferous Streptognathodus.]
References
Museum or Author Information
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Polygnathacea
Family:
Anchignathodontidae
Formal Genus Name and Reference:
Neostreptognathodus whitei RHODES, 1963, p. 404
Type Species:
gnathodus whitei RHODES, 1963, p. 404, OD
Images
(Click to enlarge in a new window)
Fig. 114, 3. *S. whitei (Rhodes), L.Perm., USA (Nev.), upper view, X65 (Clark, n)
Synonyms
Vjalovites
Geographic Distribution
N.Am.-S.Am.-Asia
Age Range
Beginning Stage in Treatise Usage:
L.Perm., ?U.Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
L.Perm., ?U.Perm.
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Apparatus unknown. Pa element scaphate, pectiniforrn with slender free anterior blade from one-third to onehalf total length of element; trough along midline; edges smooth to parapet-form. [This element is a homeomorph of Carboniferous Streptognathodus.]