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Subalveolitella

Classification

    Phylum:  
Cnidaria
    Class:  
Anthozoa
    Subclass:  
Tabulata
    Order:  
Favositida
    Suborder:  
Alveolitina
    Family:  
Alveolitidea
    Subfamily:  
Alveolitina
    Formal Genus Name and Reference:  
Subalveolitella SOKOLOV, 1955, p. 186
    Type Species:  
S.repentina, OD, †54, coll. 599, VNIGRI, Leningrad


Images

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Fossil Image
Fig. 401,3a,b. *S. repentina, ho!otype, L.Sil.(Llandov.), Sib. Platf., R. Moyero; a,b, long., transv. secs., X4 (Sokolov, 1962c).


Synonyms



Geographic Distribution

Eu.(Est.-Gotl.)-Asia(Sib.Platf.)


Age Range

    Beginning Stage in Treatise Usage:  
L.Sil.(Adavere)
    Beginning International Stage:  
Rhuddanian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
443.07
    Ending Stage in Treatise Usage:  
M.Sil.(Wenlock.)
    Ending International Stage:  
Homerian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
426.74


Description

Corallum elongate finger-shaped or branching or nodulose; corallites slender, in axial zone thin-walled, prismatic and longitudinally directed, in peripheral zone diverging and having markedly thickened walls and opening at surface obliquely in angular-crescentic calices; one row of septal spines, well expressed only in peripheral zone; pores small; tabulae thin.




References



Museum or Author Information