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Bailiella
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Conocoryphacea
Family:
Conocoryphidea
Formal Genus Name and Reference:
Bailiella MATTHEW, 1885
Type Species:
Conocephalites baileyi Hartt, 1868, SD RESSER, 1936
Images
(Click to enlarge in a new window)
Fig. 182. B. emarginata (Linnarsson), Swed., exoskel., partly restored, X2 (337).
Synonyms
Liocephalus, ?Tangshiella
Geographic Distribution
N.Am. (Atl.prov.)-Eu.-N.Afr.-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
Differs from Bailiaspis in having anterior border without median backward projection and pygidium with well-defined border
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Conocoryphacea
Family:
Conocoryphidea
Formal Genus Name and Reference:
Bailiella MATTHEW, 1885
Type Species:
Conocephalites baileyi Hartt, 1868, SD RESSER, 1936
Images
(Click to enlarge in a new window)
Fig. 182. B. emarginata (Linnarsson), Swed., exoskel., partly restored, X2 (337).
Synonyms
Liocephalus, ?Tangshiella
Geographic Distribution
N.Am. (Atl.prov.)-Eu.-N.Afr.-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
Differs from Bailiaspis in having anterior border without median backward projection and pygidium with well-defined border