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Trapezophyllum
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Columnariina
Family:
Phillipsastreidae
Subfamily:
Group 2
Formal Genus Name and Reference:
Trapezophyllum ETHERIDGE, 1899b, p. 32
Type Species:
Cyathophyllum elegantulum Dun, 1898, p. 85, OD, 141717, GSV, Melbourne
Images
(Click to enlarge in a new window)
Fig. 183,2a-c. *T. elegantulum (Dun), topotype, ?Ems., Vict., 1s. quarry, Loyola, near Mansfield, a, b, transv., long. secs., X2.7, c, long. sec. showing series of peripheral globose dissepiments in places, flat peripheral dissepiments in others, X2.7 (Hill, n, UQF31114, 54725)
Synonyms
Sulcorphyllum, ?Stellatophyllum, ?Cystitrapezophyllum
Geographic Distribution
Australia(Vict.), M.Dev.(Couvin.), Australia(New S.Wales)-N.Am.(Wash.)-Eu.(Ger.)-Asia(Kwangsi)
Age Range
Beginning Stage in Treatise Usage:
L. Dev.(?Ems.)
Beginning International Stage:
Emsian
Fraction Up In Beginning Stage:
0
Beginning Date:
410.51
Ending Stage in Treatise Usage:
L. Dev.(?Ems.)
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Cerioid, corallites with outer series of flat dissepiments, an inner pipe of small horseshoe dissepiments, and an axial series of wide, complete, slightly concave tabulae, major and minor septa subequal, seldom extending beyond pipe of horseshoe dissepiments. [In some the flat dissepiments are replaced by a few series of abaxially declined or subhorizontal1y based globose dissepiments; HILL, 1939a, p. 234.]
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Columnariina
Family:
Phillipsastreidae
Subfamily:
Group 2
Formal Genus Name and Reference:
Trapezophyllum ETHERIDGE, 1899b, p. 32
Type Species:
Cyathophyllum elegantulum Dun, 1898, p. 85, OD, 141717, GSV, Melbourne
Images
(Click to enlarge in a new window)
Fig. 183,2a-c. *T. elegantulum (Dun), topotype, ?Ems., Vict., 1s. quarry, Loyola, near Mansfield, a, b, transv., long. secs., X2.7, c, long. sec. showing series of peripheral globose dissepiments in places, flat peripheral dissepiments in others, X2.7 (Hill, n, UQF31114, 54725)
Synonyms
Sulcorphyllum, ?Stellatophyllum, ?Cystitrapezophyllum
Geographic Distribution
Australia(Vict.), M.Dev.(Couvin.), Australia(New S.Wales)-N.Am.(Wash.)-Eu.(Ger.)-Asia(Kwangsi)
Age Range
Beginning Stage in Treatise Usage:
L. Dev.(?Ems.)
Beginning International Stage:
Emsian
Fraction Up In Beginning Stage:
0
Beginning Date:
410.51
Ending Stage in Treatise Usage:
L. Dev.(?Ems.)
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Cerioid, corallites with outer series of flat dissepiments, an inner pipe of small horseshoe dissepiments, and an axial series of wide, complete, slightly concave tabulae, major and minor septa subequal, seldom extending beyond pipe of horseshoe dissepiments. [In some the flat dissepiments are replaced by a few series of abaxially declined or subhorizontal1y based globose dissepiments; HILL, 1939a, p. 234.]