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Plasmophyllum
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Lykophyllina
Family:
Lykophyllidae
Formal Genus Name and Reference:
Plasmophyllum DYBOWSKI, 1873c, p. 340
Type Species:
Cystiphyllum brevilamellatum McCoy, 1850, p. 276, SD DYBOWSKI, 1875, p. 288, †A4829, SM, Cambridge
Images
(Click to enlarge in a new window)
Fig. 161,3a,b. *P. brevilamellatum (McCoy), holotype, Wenlock Ls., Eng., Wenlock, a,b, transv., long. secs., X2 (Lang & Smith, 1927). --Fig. 161,3c,d. P. degeeri (Wedekind), holotype, transv., long. secs., X2 (Wedekind, 1927, photographs courtesy R. Birenheide).
Synonyms
Lamprophyllum
Geographic Distribution
Eu.(Eng.-Gotl.-Pripolar Urals), ?U.Sil., N.Am.(Alaska)
Age Range
Beginning Stage in Treatise Usage:
M.Sil.(Wenlock.)
Beginning International Stage:
Sheinwoodian
Fraction Up In Beginning Stage:
0
Beginning Date:
432.93
Ending Stage in Treatise Usage:
M.Sil.(Wenlock.)
Ending International Stage:
Homerian
Fraction Up In Ending Stage:
100
Ending Date:
426.74
Description
Solitary, cylindrical, major septa withdrawn from axis, somewhat thickened marginal to tabularium, thin with pinnately divergent lateral dissepiments in dissepimentarium, minor septa complete or withdrawn to periphery, dissepiments concentric to angulate, tabular floors subhorizontal, of tabellae
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Lykophyllina
Family:
Lykophyllidae
Formal Genus Name and Reference:
Plasmophyllum DYBOWSKI, 1873c, p. 340
Type Species:
Cystiphyllum brevilamellatum McCoy, 1850, p. 276, SD DYBOWSKI, 1875, p. 288, †A4829, SM, Cambridge
Images
(Click to enlarge in a new window)
Fig. 161,3a,b. *P. brevilamellatum (McCoy), holotype, Wenlock Ls., Eng., Wenlock, a,b, transv., long. secs., X2 (Lang & Smith, 1927). --Fig. 161,3c,d. P. degeeri (Wedekind), holotype, transv., long. secs., X2 (Wedekind, 1927, photographs courtesy R. Birenheide).
Synonyms
Lamprophyllum
Geographic Distribution
Eu.(Eng.-Gotl.-Pripolar Urals), ?U.Sil., N.Am.(Alaska)
Age Range
Beginning Stage in Treatise Usage:
M.Sil.(Wenlock.)
Beginning International Stage:
Sheinwoodian
Fraction Up In Beginning Stage:
0
Beginning Date:
432.93
Ending Stage in Treatise Usage:
M.Sil.(Wenlock.)
Ending International Stage:
Homerian
Fraction Up In Ending Stage:
100
Ending Date:
426.74
Description
Solitary, cylindrical, major septa withdrawn from axis, somewhat thickened marginal to tabularium, thin with pinnately divergent lateral dissepiments in dissepimentarium, minor septa complete or withdrawn to periphery, dissepiments concentric to angulate, tabular floors subhorizontal, of tabellae