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Cyathaxonia
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Metriophyllina
Family:
Cyathaxoniidae
Formal Genus Name and Reference:
Cyathaxonia tortuosa MICHELIN, 1847, p. 257
Type Species:
C. corntt; SD MILNE-EDWARDS & HAIME, 1850, p. Ixv; +not traced
Images
(Click to enlarge in a new window)
Fig. 111,2a-e. *C. cornu; a,b, L. Carb.(Visean), Scot., Southfold Quarry, Dunfermline, central part of transv. sec., long. sec. through septa and columella, X 8; c,d, L.Carb. (Tournais.), Belg., Cornet Quarry, Tournai, transv., long. secs., X4; e, L.Carb.(Visean), Eng., Stock, near Bracewell, long. sec. showing vepreculae on sides of septa, X5 (Carruthers, 1913).
Synonyms
Cyathocarinia
Geographic Distribution
Eu.(Pol.); L.Carb., Eu.(U.K.- Eire-Belg.-Urals)-N.Afr. (Sahara)-Asia (Laos)-Australia(New S.Wales); Miss., N.Am.(Mo.); L. Perm., Eu. (Urals); U. Perm.Kazan.), Asia (Camb.)
Age Range
Beginning Stage in Treatise Usage:
U.Dev.(Famenn.)
Beginning International Stage:
Famennian
Fraction Up In Beginning Stage:
0
Beginning Date:
371.1
Ending Stage in Treatise Usage:
U.Dev.(Famenn.)
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Small, ceratoid, with cylindrical columella projecting as calicular boss and developed independently of, but in contact with, major septa, and with long and commonly contratingent minor septa clearly inserted alternately with major septa; with complete tabulae declined abaxially ?(in open, i.e., noncontratingent, interseptal loculi) and without dissepiments; sides of septa may be vepreculate.
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Metriophyllina
Family:
Cyathaxoniidae
Formal Genus Name and Reference:
Cyathaxonia tortuosa MICHELIN, 1847, p. 257
Type Species:
C. corntt; SD MILNE-EDWARDS & HAIME, 1850, p. Ixv; +not traced
Images
(Click to enlarge in a new window)
Fig. 111,2a-e. *C. cornu; a,b, L. Carb.(Visean), Scot., Southfold Quarry, Dunfermline, central part of transv. sec., long. sec. through septa and columella, X 8; c,d, L.Carb. (Tournais.), Belg., Cornet Quarry, Tournai, transv., long. secs., X4; e, L.Carb.(Visean), Eng., Stock, near Bracewell, long. sec. showing vepreculae on sides of septa, X5 (Carruthers, 1913).
Synonyms
Cyathocarinia
Geographic Distribution
Eu.(Pol.); L.Carb., Eu.(U.K.- Eire-Belg.-Urals)-N.Afr. (Sahara)-Asia (Laos)-Australia(New S.Wales); Miss., N.Am.(Mo.); L. Perm., Eu. (Urals); U. Perm.Kazan.), Asia (Camb.)
Age Range
Beginning Stage in Treatise Usage:
U.Dev.(Famenn.)
Beginning International Stage:
Famennian
Fraction Up In Beginning Stage:
0
Beginning Date:
371.1
Ending Stage in Treatise Usage:
U.Dev.(Famenn.)
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Small, ceratoid, with cylindrical columella projecting as calicular boss and developed independently of, but in contact with, major septa, and with long and commonly contratingent minor septa clearly inserted alternately with major septa; with complete tabulae declined abaxially ?(in open, i.e., noncontratingent, interseptal loculi) and without dissepiments; sides of septa may be vepreculate.