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Vesiculophyllum

Classification

    Phylum:  
Cnidaria
    Class:  
Anthozoa
    Subclass:  
Rugosa
    Order:  
Stauriida
    Suborder:  
Caniniina
    Family:  
Uraliniidae
    Formal Genus Name and Reference:  
Vesiculophyllum EASTON, 1944b, p. 52
    Type Species:  
Chonophyllum sedaliense White, 1880, p. 157, OD, * probably destroyed by fire, fide Easton, 1944b, p. 53, IVANOVSKIY, 1976, p. 181, ?invalidly chose 3506 Geol. Survey Illinois as lectotype


Images

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Fossil Image
Fig. 229,1a-e. V. sedaliense (White), Chouteau Ls., Ill., a-d, transv., e, long. secs., X2.7 (Easton, 1944b). --Fig. 229, 1f-h. V. dux (Sutherland), f, holotype, B.C., Kakwa-Jarvis Lakes area, transv. sec., X0.7; g,h, another specimen, NW.Terr., Laird region, transv., long. secs., X0.7 (Sutherland, 1954).


Synonyms

Faviphyllum?


Geographic Distribution

Miss., N.Am. (III.Miss. - Iowa - Nev. - Cal. - Ariz. - Mont. - Mex. -Alberta-B.C.-NW.Terr.)


Age Range

    Beginning Stage in Treatise Usage:  
Miss.
    Beginning International Stage:  
Tournaisian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
359.3
    Ending Stage in Treatise Usage:  
Miss.
    Ending International Stage:  
Serpukhovian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
323.4


Description

Large, solitary, cylindrical, with numerous septa that commonly reach axis but may be short, septal plan bilateral, palmate or radial, cardinal septum long or short, in more or less marked fossula, counter septum commonly short, septa dilated, in late stages dilatation confined to axial region, minor septa impersistent, dissepimentarium wide, an outer transeptal (lonsdaleoid) zone and an inner zone with anguloconcentric dissepiments, tabular floors deeply concave, tabulae incomplete [see SANDO, 1960, p. 179].




References



Museum or Author Information

Easton, 1944, Sutherland, 1954