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Krotovia

Classification

    Phylum:  
Brachiopoda
    Class:  
Strophomenata
    Order:  
Productida
    Superfamily:  
Productoidea
    Family:  
Productellidae
    Formal Genus Name and Reference:  
Krotovia FREDERICKS, 1928, p. 779
    Type Species:  
Productus spinulosus J. SOWERBY, 1814 in 1812-1815, p. 155, OD


Images

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Fossil Image
Fig. 287, 1a-e. *K$. spinulosa (J. Sowerby), silicified specimens, Asbian, Fermanagh, British Isles, $a-c$, shell viewed ventrally, dorsally, laterally, x2.3, d, e$, incomplete dorsal valve viewed posterodorsally, internally, X3.6 (Brunton, 1966).


Synonyms



Geographic Distribution

Eurasia, northern Africa


Age Range

    Beginning Stage in Treatise Usage:  
Lower Carboniferous (Viséan)
    Beginning International Stage:  
Visean
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
346.73
    Ending Stage in Treatise Usage:  
lower Upper Carboniferous (?Bashkirian)
    Ending International Stage:  
Bashkirian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
315.15


Description

Swollen (tuberculate) spine bases, dense, quincuncially arranged spines, thin shelled, weakly developed marginal ridges, cardinal process quadrifid




References



Museum or Author Information

Brunton, 1966