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Corwenia
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Aulophyllina
Family:
Aulophyllidae
Subfamily:
Dibunophyllinae
Formal Genus Name and Reference:
Corwenia Smith & RYDER, 1926, p. 150
Type Species:
Lonsdaleia rugosa McCor, 1849, p. 13, OD, †A1931, SM, Cambridge
Images
(Click to enlarge in a new window)
Fig. 238,2a-c. *C. rugosa (McCov), Corwen, Hafod-y-calch, a,b, transv., c, long. secs., all X2 (Smith, 1916).
Synonyms
Gorwenia
Geographic Distribution
Eu.(Brit.I.-Belg.-Moscow Basin-Urals)-Asia(Kazakh.), ?U.Carb.(Moscov.), Eu. (Spain-Donbas), ?M. Penn. (Atokan), N. Am. (Alaska)
Age Range
Beginning Stage in Treatise Usage:
L.Carb.(up.Visean)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
66
Beginning Date:
335.91
Ending Stage in Treatise Usage:
L.Carb.(up.Visean)
Ending International Stage:
Visean
Fraction Up In Ending Stage:
100
Ending Date:
330.34
Description
Phaceloid, increase peripheral, nonparricidal, corallites with dibunophylloid axial structure of medial plate that may be continuous with cardinal and counter septa, of septal lamellae and axial tabellae, major septa unthickened in tabularium, minor septa discontinuous, weak, periaxial tabellae less steeply declined abaxially and fewer than those of axial structure, dissepiments overlapping zigzag along planes of minor septal failure, dissepimentarium narrowed at fossula
References
Smith, Stanley, , \& Lang, W. D., , \& Ryder, T. A., 1926, The genus Corwenia, gen. nov.: Ann. Mag. Nat. Hist., ser. 9, v. 17, p. 149-159, pl. 5, 6.
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Aulophyllina
Family:
Aulophyllidae
Subfamily:
Dibunophyllinae
Formal Genus Name and Reference:
Corwenia Smith & RYDER, 1926, p. 150
Type Species:
Lonsdaleia rugosa McCor, 1849, p. 13, OD, †A1931, SM, Cambridge
Images
(Click to enlarge in a new window)
Fig. 238,2a-c. *C. rugosa (McCov), Corwen, Hafod-y-calch, a,b, transv., c, long. secs., all X2 (Smith, 1916).
Synonyms
Gorwenia
Geographic Distribution
Eu.(Brit.I.-Belg.-Moscow Basin-Urals)-Asia(Kazakh.), ?U.Carb.(Moscov.), Eu. (Spain-Donbas), ?M. Penn. (Atokan), N. Am. (Alaska)
Age Range
Beginning Stage in Treatise Usage:
L.Carb.(up.Visean)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
66
Beginning Date:
335.91
Ending Stage in Treatise Usage:
L.Carb.(up.Visean)
Ending International Stage:
Visean
Fraction Up In Ending Stage:
100
Ending Date:
330.34
Description
Phaceloid, increase peripheral, nonparricidal, corallites with dibunophylloid axial structure of medial plate that may be continuous with cardinal and counter septa, of septal lamellae and axial tabellae, major septa unthickened in tabularium, minor septa discontinuous, weak, periaxial tabellae less steeply declined abaxially and fewer than those of axial structure, dissepiments overlapping zigzag along planes of minor septal failure, dissepimentarium narrowed at fossula
References
Smith, Stanley, , \& Lang, W. D., , \& Ryder, T. A., 1926, The genus Corwenia, gen. nov.: Ann. Mag. Nat. Hist., ser. 9, v. 17, p. 149-159, pl. 5, 6.