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Distazeris
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Solenopleuracea
Family:
Catillicephalidae
Formal Genus Name and Reference:
Distazeris RAYMOND, 1937
Type Species:
D. acuta
Images
(Click to enlarge in a new window)
Fig. 210, 2. *D. acuta, Vt., cran., x6 (448n)
Synonyms
Geographic Distribution
N.Am.
Age Range
Beginning Stage in Treatise Usage:
Upper Cambrian(Dresbach.)
Beginning International Stage:
Guzhangian
Fraction Up In Beginning Stage:
0
Beginning Date:
498.75
Ending Stage in Treatise Usage:
Upper Cambrian(Dresbach.)
Ending International Stage:
Paibian
Fraction Up In Ending Stage:
0
Ending Date:
494.95
Description
"Glabella pyriform, occipital ring spinose, narrow frontal area poorly differentiated into preglabellar field and border or not divided. Closely related to Welleraspis, indicating ptychoparian origin of family."
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Solenopleuracea
Family:
Catillicephalidae
Formal Genus Name and Reference:
Distazeris RAYMOND, 1937
Type Species:
D. acuta
Images
(Click to enlarge in a new window)
Fig. 210, 2. *D. acuta, Vt., cran., x6 (448n)
Synonyms
Geographic Distribution
N.Am.
Age Range
Beginning Stage in Treatise Usage:
Upper Cambrian(Dresbach.)
Beginning International Stage:
Guzhangian
Fraction Up In Beginning Stage:
0
Beginning Date:
498.75
Ending Stage in Treatise Usage:
Upper Cambrian(Dresbach.)
Ending International Stage:
Paibian
Fraction Up In Ending Stage:
0
Ending Date:
494.95
Description
"Glabella pyriform, occipital ring spinose, narrow frontal area poorly differentiated into preglabellar field and border or not divided. Closely related to Welleraspis, indicating ptychoparian origin of family."