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Neilsonia

Classification

    Phylum:  
Mollusca
    Class:  
Gastropoda
    Subclass:  
Prosobranchia
    Order:  
Archaeogastropoda
    Suborder:  
Pleurotomariina
    Superfamily:  
Pleurotomariacea
    Family:  
Eotomariidae
    Subfamily:  
Neilsoniinae
    Formal Genus Name and Reference:  
Neilsonia THOMAS, 1940
    Type Species:  
N. roscobiensis


Images

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Fossil Image
Fig. 120,4. *N. roscobiensis, L.Carb., Scot., X3.3.


Synonyms



Geographic Distribution

N.Am.-Eu.-SE. Asia


Age Range

    Beginning Stage in Treatise Usage:  
L.Carb.(Miss.)
    Beginning International Stage:  
Tournaisian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
359.3
    Ending Stage in Treatise Usage:  
M.Perm.
    Ending International Stage:  
Capitanian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
259.55


Description

Selenizone relatively broad, located low on final whorl and just above sutures on spire, ornament collabral with tendency toward noding at upper end




References

Thomas, E. G., 1940, Revision of the Scottish Carboniferous Pleurotomariidae: Geol. Soc. Glasgow, Trans., v. 20, p. 30-72, pl. 2-4.


Museum or Author Information