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Dalmanitina
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Phacopida
Superfamily:
Phacopacea
Family:
Phacopidea
Formal Genus Name and Reference:
Dalmanitina REED, 1905
Type Species:
Phacops socialis BARRANDE, 1846
Images
(Click to enlarge in a new window)
Fig. 375, 3. *D. (D.) socialis (Barrande), Czech., 3a, b, exoskel., ceph. and hypostoma from below, x1 (3)., Fig. 375, 2. D. (D.) morrisiana (Barrande), Czech., 2a, ceph., x2, 2 b, pyg., x1.3 (3).
Synonyms
Geographic Distribution
Eu.-N.Afr.-N.Am.-E.Asia.
Age Range
Beginning Stage in Treatise Usage:
M.Ord.
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
U.Ord., ?M.Sil.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
0
Ending Date:
443.07
Description
Cephalon with 3p lateral glabellar furrows slightly to moderately oblique, 1p and 2p furrows distinctly converging outward, adaxial bifurcation of 1p furrows generally distinct, genal spines very short to about 0.5 of glabellar length. Pygidium ogival, in some attaining considerable length, axis rather broad, with postaxial ridge, posterior spine generally present.
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Phacopida
Superfamily:
Phacopacea
Family:
Phacopidea
Formal Genus Name and Reference:
Dalmanitina REED, 1905
Type Species:
Phacops socialis BARRANDE, 1846
Images
(Click to enlarge in a new window)
Fig. 375, 3. *D. (D.) socialis (Barrande), Czech., 3a, b, exoskel., ceph. and hypostoma from below, x1 (3)., Fig. 375, 2. D. (D.) morrisiana (Barrande), Czech., 2a, ceph., x2, 2 b, pyg., x1.3 (3).
Synonyms
Geographic Distribution
Eu.-N.Afr.-N.Am.-E.Asia.
Age Range
Beginning Stage in Treatise Usage:
M.Ord.
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
U.Ord., ?M.Sil.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
0
Ending Date:
443.07
Description
Cephalon with 3p lateral glabellar furrows slightly to moderately oblique, 1p and 2p furrows distinctly converging outward, adaxial bifurcation of 1p furrows generally distinct, genal spines very short to about 0.5 of glabellar length. Pygidium ogival, in some attaining considerable length, axis rather broad, with postaxial ridge, posterior spine generally present.