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Plasmoporella
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Tabulata
Order:
Heliolitida
Suborder:
Heliolitina
Superfamily:
Proporicae
Family:
Plasmoporellidae
Formal Genus Name and Reference:
Plasmoporella KIAER, 1899, p. 34
Type Species:
P. convexotabulata form typica; M; +13487, PM, Oslo
Images
(Click to enlarge in a new window)
Fig. 421,2a,b. *P. convexotabulata, U.Ord. (5a-b), Nor.; a,b, transv., long. secs., X4 (Hill& Stumm, 1956).
Synonyms
Plasmoporella
Geographic Distribution
Australia(New S.Wales), U. Ord., Eu.(Nor.-Urals)-Asia(Kazakh.-Uzbek.-Altay-NE.USSR)-Australia(Tasm.)
Age Range
Beginning Stage in Treatise Usage:
M.Ord.
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
M.Ord.
Ending International Stage:
Darriwilian
Fraction Up In Ending Stage:
100
Ending Date:
458.18
Description
Tabularia without aureoles, separated by fine-textured dissepimental coenenchyme, tabularial walls may be replaced by a ring of superposed small dissepiments, or by thin sheets, interrupted by 12 septal laminae whose bases project into the coenenchyme, in some a palisadelike wall may be formed in places by additional trabeculae between the septa, tabulae complete or incomplete, convex, dissepiments small, commonly globose or subglobose and superposed in piles, a columella may be present, formed of interrupted series of spinelike trabeculae.
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Tabulata
Order:
Heliolitida
Suborder:
Heliolitina
Superfamily:
Proporicae
Family:
Plasmoporellidae
Formal Genus Name and Reference:
Plasmoporella KIAER, 1899, p. 34
Type Species:
P. convexotabulata form typica; M; +13487, PM, Oslo
Images
(Click to enlarge in a new window)
Fig. 421,2a,b. *P. convexotabulata, U.Ord. (5a-b), Nor.; a,b, transv., long. secs., X4 (Hill& Stumm, 1956).
Synonyms
Plasmoporella
Geographic Distribution
Australia(New S.Wales), U. Ord., Eu.(Nor.-Urals)-Asia(Kazakh.-Uzbek.-Altay-NE.USSR)-Australia(Tasm.)
Age Range
Beginning Stage in Treatise Usage:
M.Ord.
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
M.Ord.
Ending International Stage:
Darriwilian
Fraction Up In Ending Stage:
100
Ending Date:
458.18
Description
Tabularia without aureoles, separated by fine-textured dissepimental coenenchyme, tabularial walls may be replaced by a ring of superposed small dissepiments, or by thin sheets, interrupted by 12 septal laminae whose bases project into the coenenchyme, in some a palisadelike wall may be formed in places by additional trabeculae between the septa, tabulae complete or incomplete, convex, dissepiments small, commonly globose or subglobose and superposed in piles, a columella may be present, formed of interrupted series of spinelike trabeculae.