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Phacellophyllum

Classification

    Phylum:  
Cnidaria
    Class:  
Anthozoa
    Subclass:  
Rugosa
    Order:  
Stauriida
    Suborder:  
Columnariina
    Family:  
Phillipsastreidae
    Subfamily:  
Group 3
    Formal Genus Name and Reference:  
Phacellophyllum GÜRICH, 1909, p. 102
    Type Species:  
Lithodendron caespitosum Goldfuss, 1826, p. 44, OD, †156, Goldfuss Coll., IP, Bonn, lectotype by Lang & SMITH, 1935, p. 574


Images

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Fig. 184,1a,b. *P. caespitosum (GOLDFUSS), lectotype, ?Givet., "Berndorf," Ger., Eifel; a,b, transv., long. sees., X2 (Hill, n: photographs courtesy R. Birenheide).


Synonyms

Thamnophyllum, ?Senceliastraea, Profascicularia, Fascicularia, Oberkunzendorf, Lithodendron caespitosum


Geographic Distribution

Australia(New S.Wales); M.Dev., Eu.(U.K.-France-Bdg.- Ger.-Pol.-Aus.-Czech.-USSR)-Asia (Urals-Kuzbas)-N. Afr.(Zemmour)-Australia(Queensl.); U.Dev., Eu. (USSR-Armenia)-N.Am.(NW.Terr.)-W. Australia.


Age Range

    Beginning Stage in Treatise Usage:  
L.Dev.
    Beginning International Stage:  
Lochkovian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
419
    Ending Stage in Treatise Usage:  
L.Dev.
    Ending International Stage:  
Emsian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
394.3


Description

Dendroid or phaceloid; corallites diverging after increase, may be united by dissepimental tissue in axils of branches; septa fusiform in transverse section, but not carinate; dissepimentarium regular, biserial, with inner row of horseshoe dissepiments arranged in pipe about tabularium, and an outer row of flat dissepiments; in places additional subglobose dissepiments may develop declined inward and outward from pipe; tabulae complete or incomplete, with adaxially declined peripheral tabellae [HILL & JELL, 1970b, p. 27].




References



Museum or Author Information

Rozkowska, 1956