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Thysanophyllum

Classification

    Phylum:  
Cnidaria
    Class:  
Anthozoa
    Subclass:  
Rugosa
    Order:  
Stauriida
    Suborder:  
Lithostrotionina
    Family:  
Lithostrotionidae
    Subfamily:  
Thysanophyllinae
    Formal Genus Name and Reference:  
Thysanophyllum NICHOLSON & THOMSON, 1876, p. 150
    Type Species:  
T. orielltale THOMSON, 1880, p. 257; SD GREGORY, 1917, p. 238; +T1095, THOMSON Coll., KM, Glasgow; lectotype by HILL, 1938-1941, p.162


Images

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Fossil Image
Fig. 255,1a,b. *T. oriemale, lectotype, up. Visean, Scot., Aberlady Bay; a,b, transv., long. sees., X0.5 (Hill, 1938-1941). --Fig. 255,lc,d. ?T. imermedittm (LISITSYN), figured syntype, low. Visean, Donbas; c,d, transv., long. sees., enl. (Lisitsyn, 1925).


Synonyms

Stylastraea, ?Sublonsdalia, Sublonsdaleia


Geographic Distribution

Eu. (Scot.-Donbas-Urals); U.Miss., N. Am. (Alaska)-?Asia (Taymyr-NE. USSR)


Age Range

    Beginning Stage in Treatise Usage:  
L.Carb.(Visean)
    Beginning International Stage:  
Visean
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
346.73
    Ending Stage in Treatise Usage:  
L.Carb.(Visean)
    Ending International Stage:  
Visean
    Fraction Up In Ending Stage:  
100
    Ending Date:  
330.34


Description

Cerioid, corallites large, WiIh wide lonsdaleoid dissepimentarium; septa wiIhdrawn from axis except for ?cardinal which may be very long, particularly in young stages; weakly developed axial structure may be present sporadically, tabulae complete, commonly flat-topped domes, sometimes slightly sagging [see JULL (1967, p. 623) for hystero-ontogeny]




References



Museum or Author Information