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Hibbardella
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Hibbardellacea
Family:
Hibbardellidae
Formal Genus Name and Reference:
Hibbardella BASSLER, 1925, p. 219
Type Species:
Prioniodus angulatus HINDE, 1879, p. 360, OD
Images
(Click to enlarge in a new window)
Fig. 98, 1. *H. angulata (Hinde), U.Dev. (Frasn., Sadler Ls.), Australia (W. Australia), 1a, Pb element, lat. view, 1 b, Sa element, post. view, 1 c, Sb element, lat. view, 1 d, Sc element, lat. view, 1 e, M element, lat. view, × 27 (Klapper & Philip, 1971).
Synonyms
Geographic Distribution
M.Dev.-U.Dev., N.Am.-Australia
Age Range
Beginning Stage in Treatise Usage:
M.Dev.
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
U.Dev.
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Apparatus in some species quinquimembrate, Sa element with denticulate posterior process. [This process distinguishes the genus from Oulodus, the Sa element of which has an adenticulate posterior process. Reconstruction: KLAPPER &. PHILIP, 1972, p. 101.]
References
Bassler, R. S., 1925, Classification and stratigraphic use of the conodonts: Geol. Soc. Am. Bull., v. 36, p. 218-220.
Museum or Author Information
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Hibbardellacea
Family:
Hibbardellidae
Formal Genus Name and Reference:
Hibbardella BASSLER, 1925, p. 219
Type Species:
Prioniodus angulatus HINDE, 1879, p. 360, OD
Images
(Click to enlarge in a new window)
Fig. 98, 1. *H. angulata (Hinde), U.Dev. (Frasn., Sadler Ls.), Australia (W. Australia), 1a, Pb element, lat. view, 1 b, Sa element, post. view, 1 c, Sb element, lat. view, 1 d, Sc element, lat. view, 1 e, M element, lat. view, × 27 (Klapper & Philip, 1971).
Synonyms
Geographic Distribution
M.Dev.-U.Dev., N.Am.-Australia
Age Range
Beginning Stage in Treatise Usage:
M.Dev.
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
U.Dev.
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Apparatus in some species quinquimembrate, Sa element with denticulate posterior process. [This process distinguishes the genus from Oulodus, the Sa element of which has an adenticulate posterior process. Reconstruction: KLAPPER &. PHILIP, 1972, p. 101.]
References
Bassler, R. S., 1925, Classification and stratigraphic use of the conodonts: Geol. Soc. Am. Bull., v. 36, p. 218-220.