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Dianops
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Phacopida
Superfamily:
Phacopacea
Family:
Phacopidea
Formal Genus Name and Reference:
Dianops Richter & RICHTER, 1923, 461
Type Species:
Phacops limbatzs Reinh. RICHTER, 1848
Images
(Click to enlarge in a new window)
Fig. 365, 2a, b. *D. limbaths (Reinh. Richter), Ger. (Saalfeld), 2a, b, ceph., dorsal, side, x3 (461), Fig. 365, 2c. D. anophthalmus (Frech), Ger. (Ebersdorf), ceph. from below, showing vincular furrow, x3 (461)
Synonyms
Geographic Distribution
U.Dev., Eu.
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
U.Dev.
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Glabella inflated, with truncated lateral corners, axial furrows curved inward, lateral glabellar furrows faint (especially 2p), 3p fading mesially so that here "intercalating ring" coalesces anteriorly, eyes absent, facial sutures restricted to border, marginal in front, not transecting border furrow, genae strongly vaulted, border very broad at genal angles where border furrow diminishes, vincular furrow deep, broad, with anterior edge higher than posterior, doublure long, even. Pygidium rather long, length 0.5 of width, transversely vaulted, posterior border slightly curved, anterior angulated, axial furrows and segmentation indistinct. U.Dev., Eu.
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Phacopida
Superfamily:
Phacopacea
Family:
Phacopidea
Formal Genus Name and Reference:
Dianops Richter & RICHTER, 1923, 461
Type Species:
Phacops limbatzs Reinh. RICHTER, 1848
Images
(Click to enlarge in a new window)
Fig. 365, 2a, b. *D. limbaths (Reinh. Richter), Ger. (Saalfeld), 2a, b, ceph., dorsal, side, x3 (461), Fig. 365, 2c. D. anophthalmus (Frech), Ger. (Ebersdorf), ceph. from below, showing vincular furrow, x3 (461)
Synonyms
Geographic Distribution
U.Dev., Eu.
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
U.Dev.
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Glabella inflated, with truncated lateral corners, axial furrows curved inward, lateral glabellar furrows faint (especially 2p), 3p fading mesially so that here "intercalating ring" coalesces anteriorly, eyes absent, facial sutures restricted to border, marginal in front, not transecting border furrow, genae strongly vaulted, border very broad at genal angles where border furrow diminishes, vincular furrow deep, broad, with anterior edge higher than posterior, doublure long, even. Pygidium rather long, length 0.5 of width, transversely vaulted, posterior border slightly curved, anterior angulated, axial furrows and segmentation indistinct. U.Dev., Eu.