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Platyvillosus
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Gondolellacea
Family:
Xaniognathidae
Formal Genus Name and Reference:
Platyvillosus Clark, Sincavage, & STONE, 1964, p. 376
Type Species:
*. asperatus, OD
Images
(Click to enlarge in a new window)
Fig. 105, 2a. P. costatus (Staesche), USA (Nev.), upper side, * (Sweet & others, 1971)., Fig. 105, 2b. *P. asperatus, USA (Nev.), upper side, * (Sweet & others, 1971).
Synonyms
Eurygnathodus; ?Foliella
Geographic Distribution
N.Am.-Eu.
Age Range
Beginning Stage in Treatise Usage:
L.Trias.
Beginning International Stage:
Induan
Fraction Up In Beginning Stage:
0
Beginning Date:
251.9
Ending Stage in Treatise Usage:
L.Trias.
Ending International Stage:
Olenekian
Fraction Up In Ending Stage:
100
Ending Date:
246.7
Description
Apparatus unimembrate, composed entirely of arched segminiplanate elements with irregularly nodose, radially or transversely ribbed upper surfaces, these surfaces subcircular, quadrate, or larchrymiform in upper view. Elements supposedly occupying Pa position.
References
Clark, D. L., , & Behnken, F. H., , & Miller, J. F., , & Müller, K. J., , & Rosser, S. V., , Sincavage, J. P., & Stone, D. D., 1964, New conodont from the Lower Triassic of Nevada: J. Paleontol., v. 38, p. 375-377, 1 textfig., pl. 60.
Museum or Author Information
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Gondolellacea
Family:
Xaniognathidae
Formal Genus Name and Reference:
Platyvillosus Clark, Sincavage, & STONE, 1964, p. 376
Type Species:
*. asperatus, OD
Images
(Click to enlarge in a new window)
Fig. 105, 2a. P. costatus (Staesche), USA (Nev.), upper side, * (Sweet & others, 1971)., Fig. 105, 2b. *P. asperatus, USA (Nev.), upper side, * (Sweet & others, 1971).
Synonyms
Eurygnathodus; ?Foliella
Geographic Distribution
N.Am.-Eu.
Age Range
Beginning Stage in Treatise Usage:
L.Trias.
Beginning International Stage:
Induan
Fraction Up In Beginning Stage:
0
Beginning Date:
251.9
Ending Stage in Treatise Usage:
L.Trias.
Ending International Stage:
Olenekian
Fraction Up In Ending Stage:
100
Ending Date:
246.7
Description
Apparatus unimembrate, composed entirely of arched segminiplanate elements with irregularly nodose, radially or transversely ribbed upper surfaces, these surfaces subcircular, quadrate, or larchrymiform in upper view. Elements supposedly occupying Pa position.
References
Clark, D. L., , & Behnken, F. H., , & Miller, J. F., , & Müller, K. J., , & Rosser, S. V., , Sincavage, J. P., & Stone, D. D., 1964, New conodont from the Lower Triassic of Nevada: J. Paleontol., v. 38, p. 375-377, 1 textfig., pl. 60.