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Onychopyge
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Ceratopygacea
Family:
Ceratopygidae
Formal Genus Name and Reference:
Onychopyge HARRINGTON, 1938
Type Species:
O. riojana
Images
(Click to enlarge in a new window)
Fig. 273. *O. riojana, a, cran. and librigena, x2, b, pyg. (holotype) (reconstr.), x1.8 (59*)
Synonyms
Prionopyge
Geographic Distribution
Arg.
Age Range
Beginning Stage in Treatise Usage:
L.Ord. , Arg.(Tremadoc.)
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
L.Ord. , Arg.(Tremadoc.)
Ending International Stage:
Tremadocian
Fraction Up In Ending Stage:
100
Ending Date:
477.08
Description
Cephalon differing from that of Ceratopyge in having larger eyes, less diverging anterior sections of facial sutures, and glabella indistinctly defined anteriorly, Pygidium differing from that of Proceratopyge in having indistinct segmentation of pleural fields behind 1st pleura, and much wider border
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Ceratopygacea
Family:
Ceratopygidae
Formal Genus Name and Reference:
Onychopyge HARRINGTON, 1938
Type Species:
O. riojana
Images
(Click to enlarge in a new window)
Fig. 273. *O. riojana, a, cran. and librigena, x2, b, pyg. (holotype) (reconstr.), x1.8 (59*)
Synonyms
Prionopyge
Geographic Distribution
Arg.
Age Range
Beginning Stage in Treatise Usage:
L.Ord. , Arg.(Tremadoc.)
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
L.Ord. , Arg.(Tremadoc.)
Ending International Stage:
Tremadocian
Fraction Up In Ending Stage:
100
Ending Date:
477.08
Description
Cephalon differing from that of Ceratopyge in having larger eyes, less diverging anterior sections of facial sutures, and glabella indistinctly defined anteriorly, Pygidium differing from that of Proceratopyge in having indistinct segmentation of pleural fields behind 1st pleura, and much wider border