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Ptychoparia
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Ptychopariacea
Family:
Ptychopariidae
Formal Genus Name and Reference:
Ptychoparia Hawle & CORDA, 1847
Type Species:
Conocephalus striatts Emmrich, 1839, SD WALCOTT, 1884
Images
(Click to enlarge in a new window)
Fig. 170, 6. *P. striata (Еммrich), Jince F., exoskel., x0.6 (3*)
Synonyms
Geographic Distribution
Boh.
Age Range
Beginning Stage in Treatise Usage:
M.Cam.
Beginning International Stage:
Cambrian Stage 4
Fraction Up In Beginning Stage:
0
Beginning Date:
512.3
Ending Stage in Treatise Usage:
M.Cam.
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
0
Ending Date:
498.75
Description
Preglabellar area with radiating striae, 4 glabellar furrows. Pygidium half as long and half as wide as cranidium, with 5 segments.
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Ptychopariacea
Family:
Ptychopariidae
Formal Genus Name and Reference:
Ptychoparia Hawle & CORDA, 1847
Type Species:
Conocephalus striatts Emmrich, 1839, SD WALCOTT, 1884
Images
(Click to enlarge in a new window)
Fig. 170, 6. *P. striata (Еммrich), Jince F., exoskel., x0.6 (3*)
Synonyms
Geographic Distribution
Boh.
Age Range
Beginning Stage in Treatise Usage:
M.Cam.
Beginning International Stage:
Cambrian Stage 4
Fraction Up In Beginning Stage:
0
Beginning Date:
512.3
Ending Stage in Treatise Usage:
M.Cam.
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
0
Ending Date:
498.75
Description
Preglabellar area with radiating striae, 4 glabellar furrows. Pygidium half as long and half as wide as cranidium, with 5 segments.