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Astrictophyllum
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Stauriina
Family:
Stauriidae
Formal Genus Name and Reference:
Astrictophyllum SPASSKIY, 1971b, p. 24, nom. Subst. pro Stereophyllum Soshkina, 1937, p. 19, non Stereophyllum Schlüter, 1889, p. 339, a Devonian Cystiphyllina, nec Stereophyllum Grabau, 1917a, p. 199, nom. nud.
Type Species:
Stereophyllum massivum SOSHKINA, 1937, p. 19, OD, thin sections 411-2, coll. 143, PIN, Moscow
Images
(Click to enlarge in a new window)
Fig. 69,1a,b. *A. massivum (Soshkina), holotype, zone of Favosites regularissimus, C.Urals, mouth of R. Bardym, W. slopes, a, b, transv., long. secs., X2.7 (Ivanovskiy& Shurygina, 1975).
Synonyms
Geographic Distribution
Eu.(Urals)
Age Range
Beginning Stage in Treatise Usage:
M.Dev.(Eifel.)
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
M.Dev.(Eifel.)
Ending International Stage:
Eifelian
Fraction Up In Ending Stage:
100
Ending Date:
385.3
Description
Cerioid, septa thick, in early stages almost wedge-shaped, peripheral ends contiguous and forming wide peripheral stereozone, major septa almost reaching axis, one may be longer than others, their inner ends may be rhopaloid and curved, minor septa confined to stereozone, tabulae complete, horizontal [see IVANOVSKIY & SHURYGINA, 1975, p. 21]
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Stauriina
Family:
Stauriidae
Formal Genus Name and Reference:
Astrictophyllum SPASSKIY, 1971b, p. 24, nom. Subst. pro Stereophyllum Soshkina, 1937, p. 19, non Stereophyllum Schlüter, 1889, p. 339, a Devonian Cystiphyllina, nec Stereophyllum Grabau, 1917a, p. 199, nom. nud.
Type Species:
Stereophyllum massivum SOSHKINA, 1937, p. 19, OD, thin sections 411-2, coll. 143, PIN, Moscow
Images
(Click to enlarge in a new window)
Fig. 69,1a,b. *A. massivum (Soshkina), holotype, zone of Favosites regularissimus, C.Urals, mouth of R. Bardym, W. slopes, a, b, transv., long. secs., X2.7 (Ivanovskiy& Shurygina, 1975).
Synonyms
Geographic Distribution
Eu.(Urals)
Age Range
Beginning Stage in Treatise Usage:
M.Dev.(Eifel.)
Beginning International Stage:
Eifelian
Fraction Up In Beginning Stage:
0
Beginning Date:
394.3
Ending Stage in Treatise Usage:
M.Dev.(Eifel.)
Ending International Stage:
Eifelian
Fraction Up In Ending Stage:
100
Ending Date:
385.3
Description
Cerioid, septa thick, in early stages almost wedge-shaped, peripheral ends contiguous and forming wide peripheral stereozone, major septa almost reaching axis, one may be longer than others, their inner ends may be rhopaloid and curved, minor septa confined to stereozone, tabulae complete, horizontal [see IVANOVSKIY & SHURYGINA, 1975, p. 21]