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Dorypyge
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Corynexochida
Superfamily:
Unknown
Family:
Dorypygidae
Formal Genus Name and Reference:
Dorypyge DAMES, 1883
Type Species:
D. richthofeni
Images
(Click to enlarge in a new window)
Fig. 159, 1. D. aenigma (Linnarsson), Swed., la, b, cran., dors. and lat. views, x3, 1 c, librigena, x3, 1d, associated hypostoma, x4, le, incomplete thoracic seg., x2 (336), Fig. 159, 2. D. chihliensis Resser, China, pyg., x3 (478)
Synonyms
Geographic Distribution
E.N.Am.-Br.I.-Denm.-Swed.-Arg.-Asia-N. E.Austral.
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
"Glabella is wide, more or less contracted at both ends, and the cephalic border is moderately convex with genal spines of moderate length. Pygidium has 3 to 7 axial rings, strongly impressed pleural furrows, and 6 (rarely 5) pairs of well-developed marginal spines, with 1 or 2 posterior pairs differing in size from the others. The outer surface is generally coarsely granulate."
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Corynexochida
Superfamily:
Unknown
Family:
Dorypygidae
Formal Genus Name and Reference:
Dorypyge DAMES, 1883
Type Species:
D. richthofeni
Images
(Click to enlarge in a new window)
Fig. 159, 1. D. aenigma (Linnarsson), Swed., la, b, cran., dors. and lat. views, x3, 1 c, librigena, x3, 1d, associated hypostoma, x4, le, incomplete thoracic seg., x2 (336), Fig. 159, 2. D. chihliensis Resser, China, pyg., x3 (478)
Synonyms
Geographic Distribution
E.N.Am.-Br.I.-Denm.-Swed.-Arg.-Asia-N. E.Austral.
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
"Glabella is wide, more or less contracted at both ends, and the cephalic border is moderately convex with genal spines of moderate length. Pygidium has 3 to 7 axial rings, strongly impressed pleural furrows, and 6 (rarely 5) pairs of well-developed marginal spines, with 1 or 2 posterior pairs differing in size from the others. The outer surface is generally coarsely granulate."