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Durhamina
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Lithostrotionina
Family:
Durhaminidae
Formal Genus Name and Reference:
Durhamina Wilson & LANGENHEIM, 1962, p. 504
Type Species:
Lonsdaleia cordillerensis Easton, 1960, p. 580, OD, +5127, USC, Los Angeles
Images
(Click to enlarge in a new window)
Fic. 258,4a,b. *D. cordillerensis (Easton), holotype, L.Perm., basal Is., Arcturus F., Nev., 2 mi . S. of Ruth, a, b, transv., long. secs., X3.0 (Easton, 1960).
Synonyms
Geographic Distribution
N.Am.(Nev.-Texas-Alaska)-S.Am.(Peru), U.Carb.-L.Perm., Asia(Japan)
Age Range
Beginning Stage in Treatise Usage:
Penn.
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
L.Perm.
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Fasciculate, with axial structure in early states a medial plate, which may be irregular and discontinuous in later stages, in late stages axial structure is composed of irregularly and loosely disposed and few lamellae and axial tabellae whose proximal edges do not rest on those below to form a column, but interdigitate with abaxially inclined periaxial tabellae, some adaxially inclined peripheral tabellae or clinotabellae may develop, septa somewhat thickened in tabularium, and withdrawn unequally from axial structure, minor septa weakly developed, dissepimentarium narrow, herringbone to lonsdaleoid
References
Wilson, E. C., , \& Langenheim, R. L., 1962, Rugose and tabulate corals from Permian rocks in the Ely Quadrangle, White Pine Co., Nevada: J. Paleontol., v. 36, p. 495-520, text-fig. 1-4, pl. 86-89.
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Lithostrotionina
Family:
Durhaminidae
Formal Genus Name and Reference:
Durhamina Wilson & LANGENHEIM, 1962, p. 504
Type Species:
Lonsdaleia cordillerensis Easton, 1960, p. 580, OD, +5127, USC, Los Angeles
Images
(Click to enlarge in a new window)
Fic. 258,4a,b. *D. cordillerensis (Easton), holotype, L.Perm., basal Is., Arcturus F., Nev., 2 mi . S. of Ruth, a, b, transv., long. secs., X3.0 (Easton, 1960).
Synonyms
Geographic Distribution
N.Am.(Nev.-Texas-Alaska)-S.Am.(Peru), U.Carb.-L.Perm., Asia(Japan)
Age Range
Beginning Stage in Treatise Usage:
Penn.
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
L.Perm.
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Fasciculate, with axial structure in early states a medial plate, which may be irregular and discontinuous in later stages, in late stages axial structure is composed of irregularly and loosely disposed and few lamellae and axial tabellae whose proximal edges do not rest on those below to form a column, but interdigitate with abaxially inclined periaxial tabellae, some adaxially inclined peripheral tabellae or clinotabellae may develop, septa somewhat thickened in tabularium, and withdrawn unequally from axial structure, minor septa weakly developed, dissepimentarium narrow, herringbone to lonsdaleoid
References
Wilson, E. C., , \& Langenheim, R. L., 1962, Rugose and tabulate corals from Permian rocks in the Ely Quadrangle, White Pine Co., Nevada: J. Paleontol., v. 36, p. 495-520, text-fig. 1-4, pl. 86-89.