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Dapsilodus
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Conodontophorida - SuperFamily Unknown
Family:
SuperFamily Unknown - Family Unknown
Formal Genus Name and Reference:
Dapsilodus COOPER, 1976, p. 211
Type Species:
Distacodus obliquicostatus Branson & MEHL, 1933a, p. 41, OD
Images
(Click to enlarge in a new window)
Fig. 120,2. *D. obliquicostatus (BRANSON & MEHL), Sil.(Wenlock., St. Clair Ls.), USA(Ill.); 2a, Sb-Sc element, lat. view, X43; 2b,c, M elements, inner lat. and outer lat. views, X37, X33 (Cooper, 1976).W196
Synonyms
Geographic Distribution
N. Am.-Eu.-N.Afr.-Australi
Age Range
Beginning Stage in Treatise Usage:
Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
Sil.
Ending International Stage:
Pridoli
Fraction Up In Ending Stage:
100
Ending Date:
419
Description
Apparatus multimembrate, composed of lamellar coniform elements, consisting of acodontiform M element and S symmetry-transition series. Sa element modified distaconodontiform element with lateral costae even with or extending behind posterior keel. Sb and Sc elements slightly and strongly twisted distaconodontiform elements respectively. [Apparatus reconstruction: SERPAGLI, 1971; COOPER, 1976; BARRICK, 1977.]
References
Museum or Author Information
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Conodontophorida - SuperFamily Unknown
Family:
SuperFamily Unknown - Family Unknown
Formal Genus Name and Reference:
Dapsilodus COOPER, 1976, p. 211
Type Species:
Distacodus obliquicostatus Branson & MEHL, 1933a, p. 41, OD
Images
(Click to enlarge in a new window)
Fig. 120,2. *D. obliquicostatus (BRANSON & MEHL), Sil.(Wenlock., St. Clair Ls.), USA(Ill.); 2a, Sb-Sc element, lat. view, X43; 2b,c, M elements, inner lat. and outer lat. views, X37, X33 (Cooper, 1976).W196
Synonyms
Geographic Distribution
N. Am.-Eu.-N.Afr.-Australi
Age Range
Beginning Stage in Treatise Usage:
Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
Sil.
Ending International Stage:
Pridoli
Fraction Up In Ending Stage:
100
Ending Date:
419
Description
Apparatus multimembrate, composed of lamellar coniform elements, consisting of acodontiform M element and S symmetry-transition series. Sa element modified distaconodontiform element with lateral costae even with or extending behind posterior keel. Sb and Sc elements slightly and strongly twisted distaconodontiform elements respectively. [Apparatus reconstruction: SERPAGLI, 1971; COOPER, 1976; BARRICK, 1977.]