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Annuliconcha

Classification

    Phylum:  
Mollusca
    Class:  
Bivalvia
    Subclass:  
Pteriomorphia
    Order:  
Pterioida
    Suborder:  
Pteriina
    Superfamily:  
Pectinacea (scallops and relatives)
    Family:  
Aviculopectinidae
    Subfamily:  
Aviculopectininae
    Formal Genus Name and Reference:  
Annuliconcha NEWELL, 1938, p. 76
    Type Species:  
Aviculopecten interlineatus Meek & WORTHEN, 1860, p. 454, OD


Images

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Fossil Image
Fig. C60,5. *A. interlineata (Meek & Worthen), U.Penn., USA(Ill.), LV ext., X2 (663).


Synonyms



Geographic Distribution

cosmop.


Age Range

    Beginning Stage in Treatise Usage:  
L.Miss.
    Beginning International Stage:  
Tournaisian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
359.3
    Ending Stage in Treatise Usage:  
U.Perm.
    Ending International Stage:  
Changhsingian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
251.9


Description

Equivalve, upright, orbicular shells with subequal, acute auricles, ornamented by two ranks of concentric, regularly spaced fila, radial ornamentation weak or absent




References



Museum or Author Information