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Musculus

Classification

    Phylum:  
Mollusca
    Class:  
Bivalvia
    Subclass:  
Pteriomorphia
    Order:  
Mytiloida
    Superfamily:  
Mytilacea (mussels)
    Family:  
Mytilidae
    Subfamily:  
Crenellinae
    Formal Genus Name and Reference:  
Musculus RÖDING, 1798, p. 156
    Type Species:  
Mytilus discors Linné, 1767, SD IREDALE, 1915, p. 485


Images

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Fossil Image
Fig. C19,1. *M. (M.) discors (Linné), Rec., Denm., LV ext., X2 (450)


Synonyms

Modiolaria, Modiolarca, Planimodiola


Geographic Distribution

cosmop.


Age Range

    Beginning Stage in Treatise Usage:  
Jur.
    Beginning International Stage:  
Hettangian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
201.36
    Ending Stage in Treatise Usage:  
Rec.
    Ending International Stage:  
Meghalayan
    Fraction Up In Ending Stage:  
100
    Ending Date:  
0


Description

Modioliform, with broadly rounded umbonal keel, posterodorsal part usually separated from remainder of valve by furrow, radiate sculpture separated in middle by concentrically striated area, margins crenulated, dysodont teeth in front and behind ligament




References

Röding, P. F., 1798, Museum Boltenianum sive Catalogus cimeliorum e tribus regnis naturae quae olim collegerat Joa. Fried. Bolten, M.D.p.d., Pars Secunda: viii +119 p., Typis Johan Christi Trapii (Hamburg).


Museum or Author Information