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Neokoninckophyllum

Classification

    Phylum:  
Cnidaria
    Class:  
Anthozoa
    Subclass:  
Rugosa
    Order:  
Stauriida
    Suborder:  
Aulophyllina
    Family:  
Aulophyllidae
    Subfamily:  
Dibunophyllinae
    Formal Genus Name and Reference:  
Neokoninckophyllum FOMICHEV, 1939, p. 58
    Type Species:  
N. tanaicum; SD LANG, SMITH, & THOMAS, 1940, p. 88; +310, coIl. 5030, TsGM, Leningrad


Images

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Fossil Image
Fig. 241,la-c. *N. tanaicum, holotype, Is. M5, Donbas, Churilina ravine; a-c, transv. sees., all X1.3 (Fomichev, 1953a).


Synonyms



Geographic Distribution

Eu.(Pol.), U.Carb., Eu.(Donbas)-Asia (?Japan); Penn., N. Am. (Okla.-Texas-Kans.-?Ariz.


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

Solitary, conical, large, may have few offsets, in early stages septa somewhat thickened, fossula indistinct, and thin median plate connected with both cardinal and counter septa, other major septa not reaching axis, and narrow dissepimentarium, in later stages thickening disappears first in counter quadrants, dissepimentarium widens and develops anguloconcentric structure as minor septa withdraw to periphery, septa may bear lateral dissepiments, cardinal septum shortens slightly, a thin, weak, platy columella is either retained, now separate and commonly somewhat displaced to side of cardinal septum, with few sparse impersistent septal lamellae, or absent, tabular floors broad cones drawn up sharply at columella




References



Museum or Author Information