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Cystolonsdaleia
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Lonsdaleiina
Family:
Petalaxidae
Formal Genus Name and Reference:
Cystolonsdaleia FOMICHEV, 1953a, p. 464
Type Species:
Petalaxis (Cystolonsdaleia) lutugini, OD, 1399, coll. 5030, TsGM, Leningrad
Images
(Click to enlarge in a new window)
Fig. 263,1a,b. *C. lutugini, holotype, M.Carb.(Moscov.), ls. L5, Donbas, Fashchevka, a, b, transv., long. secs., X2.0 (Fomichev, 1953a)
Synonyms
Actinocyathus
Geographic Distribution
Eu. (Donbas-Moscow Basin), Asia (S.China)
Age Range
Beginning Stage in Treatise Usage:
U.Carb.
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
U.Carb.
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
100
Ending Date:
298.89
Description
Cerioid, with wide lonsdaleoid dissepimentarium, narrow axial column comprising thickened medial plate, in places short thickened radial lamellae, and axial tabellae widely spaced and steeply inclined, major septa continuous only in tabularium, extending to axial column, minor septa present only as crests on wall and dissepiments, periaxial tabulae gently inclined, somewhat elevated toward both column and dissepimentarium, with supplementary clinotabellae
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Lonsdaleiina
Family:
Petalaxidae
Formal Genus Name and Reference:
Cystolonsdaleia FOMICHEV, 1953a, p. 464
Type Species:
Petalaxis (Cystolonsdaleia) lutugini, OD, 1399, coll. 5030, TsGM, Leningrad
Images
(Click to enlarge in a new window)
Fig. 263,1a,b. *C. lutugini, holotype, M.Carb.(Moscov.), ls. L5, Donbas, Fashchevka, a, b, transv., long. secs., X2.0 (Fomichev, 1953a)
Synonyms
Actinocyathus
Geographic Distribution
Eu. (Donbas-Moscow Basin), Asia (S.China)
Age Range
Beginning Stage in Treatise Usage:
U.Carb.
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
U.Carb.
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
100
Ending Date:
298.89
Description
Cerioid, with wide lonsdaleoid dissepimentarium, narrow axial column comprising thickened medial plate, in places short thickened radial lamellae, and axial tabellae widely spaced and steeply inclined, major septa continuous only in tabularium, extending to axial column, minor septa present only as crests on wall and dissepiments, periaxial tabulae gently inclined, somewhat elevated toward both column and dissepimentarium, with supplementary clinotabellae