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Joannites

Classification

    Phylum:  
Mollusca
    Class:  
Cephalopoda
    Order:  
Ceratitida
    Superfamily:  
Arcestaceae
    Family:  
Joannitidae
    Formal Genus Name and Reference:  
Joannites MOJSISOVICS, 1879
    Type Species:  
Nautilus cymbiformis WULFEN, 1793


Images

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Fig. 209,1. /. johannisaustriae (Klipstein), Carn., Alps-Greece-Rumania, 1 a, b, x0.25, 1 c, X0.5 (292*)


Synonyms



Geographic Distribution

Alps, Balkan, Turk, Himalaya, Timor, Nev


Age Range

    Beginning Stage in Treatise Usage:  
M.Trias.(Anis.)
    Beginning International Stage:  
Anisian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
246.7
    Ending Stage in Treatise Usage:  
U.Trias.(Carn.)
    Ending International Stage:  
Carnian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
227.3


Description

Very involute, surface smooth, conch with periodic constrictions. Suture ammonitic, multilobate, curved




References



Museum or Author Information