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Unguliproetus
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Proetacea
Family:
Proetidae
Formal Genus Name and Reference:
Unguliproetus ERBEN, 1951
Type Species:
Proetus unguloides BARRANDE, 1846
Images
(Click to enlarge in a new window)
Fig. 293, 4. *U. unguloides (Barrande), L.Dev., Czech., 4 a, b, ceph., thorax and pyg., x3, x4.5 (3).
Synonyms
Geographic Distribution
Eu.
Age Range
Beginning Stage in Treatise Usage:
L.Dev.
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
M.Dev.
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Cephalon with somewhat ogival outline, border wide, convex, preglabellar field of same width (sag.), glabella slender, tapering to narrow front, anterior sections of facial sutures moderately long, diverging, posterior sections short, librigenae narrow, with long genal spines. Thorax with 10 segments rounded at ends. Pygidium 0.5 as long as broad, truncated, depressed, axis narrow, without axial ridge, rings 7 or more, pleural fields with faint ribs, segmental bands equally developed, pleural and interpleural furrows very narrow, faint.
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Proetacea
Family:
Proetidae
Formal Genus Name and Reference:
Unguliproetus ERBEN, 1951
Type Species:
Proetus unguloides BARRANDE, 1846
Images
(Click to enlarge in a new window)
Fig. 293, 4. *U. unguloides (Barrande), L.Dev., Czech., 4 a, b, ceph., thorax and pyg., x3, x4.5 (3).
Synonyms
Geographic Distribution
Eu.
Age Range
Beginning Stage in Treatise Usage:
L.Dev.
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
M.Dev.
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Cephalon with somewhat ogival outline, border wide, convex, preglabellar field of same width (sag.), glabella slender, tapering to narrow front, anterior sections of facial sutures moderately long, diverging, posterior sections short, librigenae narrow, with long genal spines. Thorax with 10 segments rounded at ends. Pygidium 0.5 as long as broad, truncated, depressed, axis narrow, without axial ridge, rings 7 or more, pleural fields with faint ribs, segmental bands equally developed, pleural and interpleural furrows very narrow, faint.