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Cyclopyge
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Cyclopygacea
Family:
Cyclopygidae
Formal Genus Name and Reference:
Cyclopyge Hawle & Corda, 1847 [nom. subst. pro Egle BARRANDE, 1846 (non DESVOIDY, 1830)]
Type Species:
Egle rediviva BARRANDE, 1846
Images
(Click to enlarge in a new window)
Fig. 269, 2. *C. rediviva (Barrande), "d epsilon" Zone, Czech., exoskel., x1.5(3, 4)."
Synonyms
Selenoptychus, Aeglina, Phylacops
Geographic Distribution
Eu.-E.N.Am.
Age Range
Beginning Stage in Treatise Usage:
Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
Ord.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
0
Ending Date:
443.07
Description
Glabella broad, sides straight, converging forward, with single pair of lateral furrows, directed backward, eyes covering much of ventral surface, separated by 0.3 or less of cephalon width or meeting. Thorax with 6 segments, sides diverging and axis strongly tapering backward. Pygidium large, semicircular, axis narrow, short, pleural regions large, marginal border absent or faint.
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Cyclopygacea
Family:
Cyclopygidae
Formal Genus Name and Reference:
Cyclopyge Hawle & Corda, 1847 [nom. subst. pro Egle BARRANDE, 1846 (non DESVOIDY, 1830)]
Type Species:
Egle rediviva BARRANDE, 1846
Images
(Click to enlarge in a new window)
Fig. 269, 2. *C. rediviva (Barrande), "d epsilon" Zone, Czech., exoskel., x1.5(3, 4)."
Synonyms
Selenoptychus, Aeglina, Phylacops
Geographic Distribution
Eu.-E.N.Am.
Age Range
Beginning Stage in Treatise Usage:
Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
Ord.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
0
Ending Date:
443.07
Description
Glabella broad, sides straight, converging forward, with single pair of lateral furrows, directed backward, eyes covering much of ventral surface, separated by 0.3 or less of cephalon width or meeting. Thorax with 6 segments, sides diverging and axis strongly tapering backward. Pygidium large, semicircular, axis narrow, short, pleural regions large, marginal border absent or faint.