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Ceriaster
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Stauriina
Family:
Stauriidae
Formal Genus Name and Reference:
Ceriaster LINDSTRÖM, 1883a, p. 61
Type Species:
C. calamites, M, syntypes in Richthofen Coll., HU, E. Berlin
Images
(Click to enlarge in a new window)
Fig. 68,3a-c. * C. calamites, M. Sil., bed 1, China, Chaotien, Szechwan, a,b, transv., long. secs., X1; c, transv. sec. showing tripartite axial increase, greatly enl. (Lindström, 1883a)
Synonyms
Stauria
Geographic Distribution
Asia(Tadzhik.-Shensi-Kweichow), M.Sil., Asia (Szechwan)
Age Range
Beginning Stage in Treatise Usage:
L. Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
L. Sil.
Ending International Stage:
Homerian
Fraction Up In Ending Stage:
100
Ending Date:
426.74
Description
Cerioid or fasciculate, increase axial, tripartite or quadripartite, corallites small, septa few, major septa long, axial ends joining at axis, minor septa very short or not developed, tabulae complete, slightly convex or horizontal, no dissepiments [see LAVRUSEVICH, 1965, p. 27].
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Stauriina
Family:
Stauriidae
Formal Genus Name and Reference:
Ceriaster LINDSTRÖM, 1883a, p. 61
Type Species:
C. calamites, M, syntypes in Richthofen Coll., HU, E. Berlin
Images
(Click to enlarge in a new window)
Fig. 68,3a-c. * C. calamites, M. Sil., bed 1, China, Chaotien, Szechwan, a,b, transv., long. secs., X1; c, transv. sec. showing tripartite axial increase, greatly enl. (Lindström, 1883a)
Synonyms
Stauria
Geographic Distribution
Asia(Tadzhik.-Shensi-Kweichow), M.Sil., Asia (Szechwan)
Age Range
Beginning Stage in Treatise Usage:
L. Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
L. Sil.
Ending International Stage:
Homerian
Fraction Up In Ending Stage:
100
Ending Date:
426.74
Description
Cerioid or fasciculate, increase axial, tripartite or quadripartite, corallites small, septa few, major septa long, axial ends joining at axis, minor septa very short or not developed, tabulae complete, slightly convex or horizontal, no dissepiments [see LAVRUSEVICH, 1965, p. 27].