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Saukiella
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Ptychaspidacea
Family:
Saukiidae
Formal Genus Name and Reference:
Saukiella Ulrich & RESSER, 1933
Type Species:
Dikelocephalus pepinensis Owen, 1852 (=Saukiella typicalis Ulrich & RESSER, 1933)
Images
(Click to enlarge in a new window)
Fig. 239, 3. * S. pepinensis (Owen), Trempeal., Wis., 3 a, b, ceph., pyg., x1 ( 461 mod ., 487 mod .)
Synonyms
Geographic Distribution
North America, Northeast Asia
Age Range
Beginning Stage in Treatise Usage:
Upper Cambrian(Francon.)
Beginning International Stage:
Paibian
Fraction Up In Beginning Stage:
0
Beginning Date:
494.95
Ending Stage in Treatise Usage:
Upper Cambrian(Trempeal.)
Ending International Stage:
Cambrian Stage 10
Fraction Up In Ending Stage:
0
Ending Date:
486.85
Description
Glabella low, rectangular, sides diverging slightly forward, front straight, posterior pair of lateral furrows complete, 2nd pair strong and complete to obsolete, preglabellar field extremely narrow, anterior border furrow distinct, anterior border medium in width, fixigenae with posterior areas about 0.5 of length of occipital ring, librigenae with continuous lateral and posterior border furrows and long slender genal spines. Pygidium ovoid to circular, axis convex, wider than pleural fields, tapering 0.7 of length, with short postaxial ridge, 4 axial rings and terminal with one faint axial ring, pleural fields low, curving down to narrow flat border, 4 pairs of narrow shallow interpleural grooves and 5 pairs of deep parallel pleural furrows. Surface finely granulose.
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Ptychaspidacea
Family:
Saukiidae
Formal Genus Name and Reference:
Saukiella Ulrich & RESSER, 1933
Type Species:
Dikelocephalus pepinensis Owen, 1852 (=Saukiella typicalis Ulrich & RESSER, 1933)
Images
(Click to enlarge in a new window)
Fig. 239, 3. * S. pepinensis (Owen), Trempeal., Wis., 3 a, b, ceph., pyg., x1 ( 461 mod ., 487 mod .)
Synonyms
Geographic Distribution
North America, Northeast Asia
Age Range
Beginning Stage in Treatise Usage:
Upper Cambrian(Francon.)
Beginning International Stage:
Paibian
Fraction Up In Beginning Stage:
0
Beginning Date:
494.95
Ending Stage in Treatise Usage:
Upper Cambrian(Trempeal.)
Ending International Stage:
Cambrian Stage 10
Fraction Up In Ending Stage:
0
Ending Date:
486.85
Description
Glabella low, rectangular, sides diverging slightly forward, front straight, posterior pair of lateral furrows complete, 2nd pair strong and complete to obsolete, preglabellar field extremely narrow, anterior border furrow distinct, anterior border medium in width, fixigenae with posterior areas about 0.5 of length of occipital ring, librigenae with continuous lateral and posterior border furrows and long slender genal spines. Pygidium ovoid to circular, axis convex, wider than pleural fields, tapering 0.7 of length, with short postaxial ridge, 4 axial rings and terminal with one faint axial ring, pleural fields low, curving down to narrow flat border, 4 pairs of narrow shallow interpleural grooves and 5 pairs of deep parallel pleural furrows. Surface finely granulose.