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Microplasma
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Cystiphyllida
Family:
Cystiphyllidae
Formal Genus Name and Reference:
Microplasma DYBOWSKI, 1873c, p. 340, genus diagnosed but no species named, 1874, p. 508
Type Species:
M. gotlandicum, SD Wedekind, 1927, p. 64, syntype Co1337, coll. 11, EGM, Tallinn (original of DYBOWSKI, 1874, pl. 5, fig. 5)
Images
(Click to enlarge in a new window)
Fig. 62,la,b. *M. gotlandicum, M.Sil., Swed., Karlso; a,b, transv., long. sees., X3.6, X 1.8 (Dybowski, 1874). --Fig. 62,1c,d. M. lovenianum DYBOWSKI, M.Sil.(Wenlock.), U.K., Usk Inlier; c,d, transv., long. sees., X1.8 (White, 1966). --Fig. 62,1e,f. ?M. regium (SHURYGINA), holotype, M.Sil.(Wenlock.), E. slopes of Urals; e,f, transv., long. sees., X3.6 (Shurygina, 1970; photographs courtesy M. V. Shurygina).
Synonyms
Cystostylus, ?Microconoplasma, ?Coronoplasma, ?Hedstroellloplasma, Hedstroemophyllum fasciculatum
Geographic Distribution
Asia(Sib.Platf.)-N. Am. (Wis.)-Australia (New S. Wales-Queensl.); M.Sil.-U.Sil., Eu.(Got.-Est.-Czech.- Urals-U.K.)-Asia(Altay-?Iran)-N.Am.(Okla.); L. Dev., Asia(Taymyr-Tadzhik.) -Australia(New S. Wales Queens!') ; M.Dev. (Eifel.), N.Am. (Can.).
Age Range
Beginning Stage in Treatise Usage:
L.Sil.(up.Llandov.)
Beginning International Stage:
Telychian
Fraction Up In Beginning Stage:
0
Beginning Date:
438.59
Ending Stage in Treatise Usage:
L.Sil.(up.Llandov.)
Ending International Stage:
Telychian
Fraction Up In Ending Stage:
100
Ending Date:
432.93
Description
Corallum phaceloid, with peripheral increase, offsets may lack dissepiments in early stages, in mature stages a marginarium of steeply inclined dissepiments, and tabularium of large, flat-lying, convex to globose tabellae, septa represented by small, thornlike trabeculae, projecting from narrow peripheral stereozone or developed on upper surfaces of dissepiments and tabellae; sclerocones rare to absent [sec WHITE, 1966, p. 148]
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Cystiphyllida
Family:
Cystiphyllidae
Formal Genus Name and Reference:
Microplasma DYBOWSKI, 1873c, p. 340, genus diagnosed but no species named, 1874, p. 508
Type Species:
M. gotlandicum, SD Wedekind, 1927, p. 64, syntype Co1337, coll. 11, EGM, Tallinn (original of DYBOWSKI, 1874, pl. 5, fig. 5)
Images
(Click to enlarge in a new window)
Fig. 62,la,b. *M. gotlandicum, M.Sil., Swed., Karlso; a,b, transv., long. sees., X3.6, X 1.8 (Dybowski, 1874). --Fig. 62,1c,d. M. lovenianum DYBOWSKI, M.Sil.(Wenlock.), U.K., Usk Inlier; c,d, transv., long. sees., X1.8 (White, 1966). --Fig. 62,1e,f. ?M. regium (SHURYGINA), holotype, M.Sil.(Wenlock.), E. slopes of Urals; e,f, transv., long. sees., X3.6 (Shurygina, 1970; photographs courtesy M. V. Shurygina).
Synonyms
Cystostylus, ?Microconoplasma, ?Coronoplasma, ?Hedstroellloplasma, Hedstroemophyllum fasciculatum
Geographic Distribution
Asia(Sib.Platf.)-N. Am. (Wis.)-Australia (New S. Wales-Queensl.); M.Sil.-U.Sil., Eu.(Got.-Est.-Czech.- Urals-U.K.)-Asia(Altay-?Iran)-N.Am.(Okla.); L. Dev., Asia(Taymyr-Tadzhik.) -Australia(New S. Wales Queens!') ; M.Dev. (Eifel.), N.Am. (Can.).
Age Range
Beginning Stage in Treatise Usage:
L.Sil.(up.Llandov.)
Beginning International Stage:
Telychian
Fraction Up In Beginning Stage:
0
Beginning Date:
438.59
Ending Stage in Treatise Usage:
L.Sil.(up.Llandov.)
Ending International Stage:
Telychian
Fraction Up In Ending Stage:
100
Ending Date:
432.93
Description
Corallum phaceloid, with peripheral increase, offsets may lack dissepiments in early stages, in mature stages a marginarium of steeply inclined dissepiments, and tabularium of large, flat-lying, convex to globose tabellae, septa represented by small, thornlike trabeculae, projecting from narrow peripheral stereozone or developed on upper surfaces of dissepiments and tabellae; sclerocones rare to absent [sec WHITE, 1966, p. 148]