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Dictyites
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Uncertain
Family:
Tsinaniidae
Formal Genus Name and Reference:
Dictyites KOBAYASHI, 1936
Type Species:
Illaenurus dictys WALCOTR, 1905
Images
(Click to enlarge in a new window)
Fig. 266, 4. *D. dictys (Walcott), China(Shantung), 4 a, b, cran., dorsal, profile (exterior), 4c, pyg., ventral (interior), 4d, pyg., profile, all x1.5 (95).
Synonyms
Geographic Distribution
NE.Asia, China(Shantung)
Age Range
Beginning Stage in Treatise Usage:
Upper Cambrian(Fengshanian)
Beginning International Stage:
Jiangshanian
Fraction Up In Beginning Stage:
87.5
Beginning Date:
491.4
Ending Stage in Treatise Usage:
Upper Cambrian(Fengshanian)
Ending International Stage:
Cambrian Stage 10
Fraction Up In Ending Stage:
100
Ending Date:
486.85
Description
Cranidium subquadrate, preglabellar field and anterior border separated by shallow anterior border furrow on exterior, axial furrows present on exterior. Pygidium with axial and border furrows exteriorly, up to 9 furrows on axis and pleural fields interiorly
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Uncertain
Family:
Tsinaniidae
Formal Genus Name and Reference:
Dictyites KOBAYASHI, 1936
Type Species:
Illaenurus dictys WALCOTR, 1905
Images
(Click to enlarge in a new window)
Fig. 266, 4. *D. dictys (Walcott), China(Shantung), 4 a, b, cran., dorsal, profile (exterior), 4c, pyg., ventral (interior), 4d, pyg., profile, all x1.5 (95).
Synonyms
Geographic Distribution
NE.Asia, China(Shantung)
Age Range
Beginning Stage in Treatise Usage:
Upper Cambrian(Fengshanian)
Beginning International Stage:
Jiangshanian
Fraction Up In Beginning Stage:
87.5
Beginning Date:
491.4
Ending Stage in Treatise Usage:
Upper Cambrian(Fengshanian)
Ending International Stage:
Cambrian Stage 10
Fraction Up In Ending Stage:
100
Ending Date:
486.85
Description
Cranidium subquadrate, preglabellar field and anterior border separated by shallow anterior border furrow on exterior, axial furrows present on exterior. Pygidium with axial and border furrows exteriorly, up to 9 furrows on axis and pleural fields interiorly