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Duplophyllum

Classification

    Phylum:  
Cnidaria
    Class:  
Anthozoa
    Subclass:  
Rugosa
    Order:  
Stauriida
    Suborder:  
Stereolasmatina
    Family:  
Hapsiphyllidae
    Subfamily:  
Hapsiphyllinae
    Formal Genus Name and Reference:  
Duplophyllum KOKER, 1924, p. 21
    Type Species:  
D. zaphrentoides KOKER, 1924, p. 21; M, see CHI, 1938, p. 164, LANG, SMITH, & THOMAS, 1940, p. 55; tnot traced in TH, Delft (orig. of KOKER, pI. 8, fig. 2a); lectotype by SCHOUPPĀ£' & STACUL, 1959, p. 242


Images

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Fossil Image
Fig. 206,3. *D. zaphrentoides KOKER, lectotype, Timor, Basleo; transv. sec., ?enl. (Koker, 1924).


Synonyms



Geographic Distribution

Asia(Timor)


Age Range

    Beginning Stage in Treatise Usage:  
U.Perm.
    Beginning International Stage:  
Wuchiapingian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
259.55
    Ending Stage in Treatise Usage:  
U.Perm.
    Ending International Stage:  
Changhsingian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
251.9


Description

Solitary, cardinal side commonly convex, less commonly concave; septa of quadrants arranged pinnately to shallow cardinal and alar fossulae, Iheir axial ends in late stages may withdraw somewhat to leave open fossula, and cardinal sepIum may shorten markedly; thickness of major sepIa variable, may be marked; minor septa variable, may be long, thin, and either contra- tingent, contraclined, or contrajunct, Km longest; tabulae declined abaxially.




References



Museum or Author Information