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Prooneotodus
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Paraconodontida
Superfamily:
Furnishinacea
Family:
Furnishinidae
Formal Genus Name and Reference:
Prooneotodus Müller & NOGAMI, 1971, p. 17
Type Species:
Oneotodus gallatini MÜLLER, 1959, p. 457, OD
Images
(Click to enlarge in a new window)
Fig. 64, 2a-c. * P. gallatini (Müller), holotype, U.Cam., USA (Wyo.), lat. view with transv. secs. near tip and base, * (Müller, 1959)., Fig. 64, 2d. P. tenuis (Müller), holotype, U.Cam. (Zone 5d), Eu. (Ger.), 2a-c, lat. and post. views, transv. sec., X40 (Müller, 1959).
Synonyms
Geographic Distribution
M.Cam.-L.Ord., N.Am. (N.Y.-widespread in W. and SW. states of USA-Alberta-Oaxaca)-Eu. (G.Brit.-Sweden-Ger., glacial erratics)Asia (Sib.-Kazakh.-China-S. Korea-Turkey-Iran)-Australia (Queensl.)
Age Range
Beginning Stage in Treatise Usage:
M.Cam.
Beginning International Stage:
Cambrian Stage 3
Fraction Up In Beginning Stage:
0
Beginning Date:
521
Ending Stage in Treatise Usage:
L.Ord.
Ending International Stage:
Floian
Fraction Up In Ending Stage:
100
Ending Date:
471.26
Description
Symmetrical elements lacking ornamentation, proclined, base usually large and in some expanded posteriorly in lower portion, basal cavity large and deep, cross section round to oval. [Natural assemblages of P. tenuis (MULLER), 1959, are unimembrate, consisting of two oppositely curved sets, each of 4 to 5 coniform elements. Sets are curved like a pair of parentheses. Tips of elements are all close together at the same end of the assemblage and bases are somewhat spread apart. These assemblages are the basis for the interpretation that all Paraconodontida are unimembrate.]
References
Müller, K. J., , & Andres, D., , & Clark, D. L., , & Mosher, L. C., , & Müller, E. M., , & Nogami, Yasuo, 1971, Über den Feinbau der Conodonten: Mem. Fac. Sci. Kyoto Univ. Ser. Geol. Mineral., v. 38, p. 1-88, 31 text-fig., pl. 1-22.
Museum or Author Information
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Paraconodontida
Superfamily:
Furnishinacea
Family:
Furnishinidae
Formal Genus Name and Reference:
Prooneotodus Müller & NOGAMI, 1971, p. 17
Type Species:
Oneotodus gallatini MÜLLER, 1959, p. 457, OD
Images
(Click to enlarge in a new window)
Fig. 64, 2a-c. * P. gallatini (Müller), holotype, U.Cam., USA (Wyo.), lat. view with transv. secs. near tip and base, * (Müller, 1959)., Fig. 64, 2d. P. tenuis (Müller), holotype, U.Cam. (Zone 5d), Eu. (Ger.), 2a-c, lat. and post. views, transv. sec., X40 (Müller, 1959).
Synonyms
Geographic Distribution
M.Cam.-L.Ord., N.Am. (N.Y.-widespread in W. and SW. states of USA-Alberta-Oaxaca)-Eu. (G.Brit.-Sweden-Ger., glacial erratics)Asia (Sib.-Kazakh.-China-S. Korea-Turkey-Iran)-Australia (Queensl.)
Age Range
Beginning Stage in Treatise Usage:
M.Cam.
Beginning International Stage:
Cambrian Stage 3
Fraction Up In Beginning Stage:
0
Beginning Date:
521
Ending Stage in Treatise Usage:
L.Ord.
Ending International Stage:
Floian
Fraction Up In Ending Stage:
100
Ending Date:
471.26
Description
Symmetrical elements lacking ornamentation, proclined, base usually large and in some expanded posteriorly in lower portion, basal cavity large and deep, cross section round to oval. [Natural assemblages of P. tenuis (MULLER), 1959, are unimembrate, consisting of two oppositely curved sets, each of 4 to 5 coniform elements. Sets are curved like a pair of parentheses. Tips of elements are all close together at the same end of the assemblage and bases are somewhat spread apart. These assemblages are the basis for the interpretation that all Paraconodontida are unimembrate.]
References
Müller, K. J., , & Andres, D., , & Clark, D. L., , & Mosher, L. C., , & Müller, E. M., , & Nogami, Yasuo, 1971, Über den Feinbau der Conodonten: Mem. Fac. Sci. Kyoto Univ. Ser. Geol. Mineral., v. 38, p. 1-88, 31 text-fig., pl. 1-22.