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Praewaagenoconcha

Classification

    Phylum:  
Brachiopoda
    Class:  
Strophomenata
    Order:  
Productida
    Superfamily:  
Echinoconchoidea
    Family:  
Sentosiidae
    Formal Genus Name and Reference:  
Praewaagenoconcha SOKOLSKAYA, 1948, p. 132
    Type Species:  
Productus orelianus von MÖLLER, 1871, p. 389, OD


Images

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Fossil Image
Fig. 364, 3a-d. * P. oreliana (von Möller), Famennian, Moscow basin, $a, b$, ventral valve exterior viewed ventrally, laterally, $X_{2}$, $c$, shell viewed posteriorly, $X_{2}$, $d$, shell viewed dorsally showing spines, x2$ (new).


Synonyms



Geographic Distribution

eastern Europe


Age Range

    Beginning Stage in Treatise Usage:  
Upper Devonian (Famennian)
    Beginning International Stage:  
Famennian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
371.1
    Ending Stage in Treatise Usage:  
Upper Devonian (Famennian)
    Ending International Stage:  
Famennian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
359.3


Description

Small, thinner shelled than Caucasiproductus, spines relatively fine in roughly concentric arrangement, commonly with spine bearing median ridge, no ventral median septum




References



Museum or Author Information