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Proasaphiscus
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Asaphiscacea
Family:
Asaphiscidae
Formal Genus Name and Reference:
Proasaphiscus KOBAYASHI (11011 RESSER & ENDO in KOBA.) 1935
Type Species:
p. yabei]
Images
(Click to enlarge in a new window)
Fig. 214, 10. op. yabei, Tangshih F., Manch., exoskel., X 1.5 (37*).
Synonyms
Geographic Distribution
E.Asia.
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
Cranidium as in AsaphisctlS but pygidium smaller and with almost no border, interpleural furrows curving more toward rear.
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Asaphiscacea
Family:
Asaphiscidae
Formal Genus Name and Reference:
Proasaphiscus KOBAYASHI (11011 RESSER & ENDO in KOBA.) 1935
Type Species:
p. yabei]
Images
(Click to enlarge in a new window)
Fig. 214, 10. op. yabei, Tangshih F., Manch., exoskel., X 1.5 (37*).
Synonyms
Geographic Distribution
E.Asia.
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
Cranidium as in AsaphisctlS but pygidium smaller and with almost no border, interpleural furrows curving more toward rear.