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Yohophyllum
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Calostylina
Superfamily:
Calostylicae
Family:
Calostylidae
Formal Genus Name and Reference:
Yohophyllum LIN, 1965, p. 68
Type Species:
Streptelasma kueiyangense YON, 1959, p. 404, OD, †not traced, M.Ord., Kueiyang, Kweichow
Images
(Click to enlarge in a new window)
Fig. 107,3a-e. *Y. kueiyangense (Yoн), a,b, M.Ord., Kueidon distr., Szechwan, transv., long. secs., X4 (Lin, 1965), c-e, ?type material, M.Ord., Kueiyang, c, lat. and calical ext. views, d,e, transv., oblique secs., X2 (Yü et al., 1963).
Synonyms
Yokophyllum
Geographic Distribution
Asia (Kweichow-Szechwa)
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
Fasciculate, corallites with deep infundibuliform calices, septa thick, ?perforate, major septa irregularly contiguous with minor septa in perforate peripheral stereozone, major septa with septal lobes forming loose axial structure, thin tabulae declined from axis in axial structure, of irregular inclination periaxially, ?without dissepiments. [WEYER, 1973a, p. 28, considers septal structure inconsistent with that of Calostylidae.]
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Calostylina
Superfamily:
Calostylicae
Family:
Calostylidae
Formal Genus Name and Reference:
Yohophyllum LIN, 1965, p. 68
Type Species:
Streptelasma kueiyangense YON, 1959, p. 404, OD, †not traced, M.Ord., Kueiyang, Kweichow
Images
(Click to enlarge in a new window)
Fig. 107,3a-e. *Y. kueiyangense (Yoн), a,b, M.Ord., Kueidon distr., Szechwan, transv., long. secs., X4 (Lin, 1965), c-e, ?type material, M.Ord., Kueiyang, c, lat. and calical ext. views, d,e, transv., oblique secs., X2 (Yü et al., 1963).
Synonyms
Yokophyllum
Geographic Distribution
Asia (Kweichow-Szechwa)
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
Fasciculate, corallites with deep infundibuliform calices, septa thick, ?perforate, major septa irregularly contiguous with minor septa in perforate peripheral stereozone, major septa with septal lobes forming loose axial structure, thin tabulae declined from axis in axial structure, of irregular inclination periaxially, ?without dissepiments. [WEYER, 1973a, p. 28, considers septal structure inconsistent with that of Calostylidae.]