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Apatokephalus
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Remopleuridacea
Family:
Remopleurididae
Formal Genus Name and Reference:
Apatokephalus Brögger, 1896
Type Species:
Trilobites serratus Boeck, 1838, SD BASSLER, 1915
Images
(Click to enlarge in a new window)
Fig. 243, 2. *A. serratus (Boeck), Swed., 2a, b, ceph., pyg., x2 (496n).
Synonyms
Diplapatokephalus
Geographic Distribution
S.Am.-N.Am.-Eng.-Norway-Swed.-Ger.
Age Range
Beginning Stage in Treatise Usage:
L.Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
L.Ord.
Ending International Stage:
Floian
Fraction Up In Ending Stage:
100
Ending Date:
471.26
Description
Glabella convex, broad where it occupies entire space between palpebral furrows, narrower and rounded where it projects a short distance in front of eye lobes, with 3 pairs of lateral furrows, short preglabellar area (sag.), anterior border convex, large, deep pits in anterior border furrow, librigena narrow (tr.), with long, slender genal spines originating at posterolateral corners. Thorax of 12 segments, long median axial spine on 8th segment, deep diagonal pleural furrows, pleural tips long, pointed. Pygidium with convex axis, pleural fields with 5 pairs of spinose pleurae, curving out-ward-backward. Surface of glabella and pygidial axis tuberculate (281). L.Ord., S.Am.-N.Am.-Eng.-Norway-Swed.-Ger.--Fig. 243, 2. *A. serratus (Boeck), Swed., 2a, b, ceph., pyg., x2 (496n).
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Remopleuridacea
Family:
Remopleurididae
Formal Genus Name and Reference:
Apatokephalus Brögger, 1896
Type Species:
Trilobites serratus Boeck, 1838, SD BASSLER, 1915
Images
(Click to enlarge in a new window)
Fig. 243, 2. *A. serratus (Boeck), Swed., 2a, b, ceph., pyg., x2 (496n).
Synonyms
Diplapatokephalus
Geographic Distribution
S.Am.-N.Am.-Eng.-Norway-Swed.-Ger.
Age Range
Beginning Stage in Treatise Usage:
L.Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
L.Ord.
Ending International Stage:
Floian
Fraction Up In Ending Stage:
100
Ending Date:
471.26
Description
Glabella convex, broad where it occupies entire space between palpebral furrows, narrower and rounded where it projects a short distance in front of eye lobes, with 3 pairs of lateral furrows, short preglabellar area (sag.), anterior border convex, large, deep pits in anterior border furrow, librigena narrow (tr.), with long, slender genal spines originating at posterolateral corners. Thorax of 12 segments, long median axial spine on 8th segment, deep diagonal pleural furrows, pleural tips long, pointed. Pygidium with convex axis, pleural fields with 5 pairs of spinose pleurae, curving out-ward-backward. Surface of glabella and pygidial axis tuberculate (281). L.Ord., S.Am.-N.Am.-Eng.-Norway-Swed.-Ger.--Fig. 243, 2. *A. serratus (Boeck), Swed., 2a, b, ceph., pyg., x2 (496n).