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Serratognathus

Classification

    Phylum:  
Conodonta
    Class:  
Conodonta
    Order:  
Conodontophorida
    Superfamily:  
Conodontophorida - SuperFamily Unknown
    Family:  
SuperFamily Unknown - Family Unknown
    Formal Genus Name and Reference:  
Serratognathus LEE, 1970, p. 335
    Type Species:  
S. bilobatus, OD


Images

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Fossil Image
Fig. 119, 8. *S. bilobatus, lat., post., and ant. views, magnification unknown (Lee, 1970)


Synonyms



Geographic Distribution

Asia (Korea-China)


Age Range

    Beginning Stage in Treatise Usage:  
L.Ord.
    Beginning International Stage:  
Tremadocian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
486.85
    Ending Stage in Treatise Usage:  
L.Ord.
    Ending International Stage:  
Floian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
471.26


Description

Elements bilaterally symmetrical, alate, anteriorly convex and posteriorly concave, lacking basal cavity, convex side with about 10 horizontal rows of short, densely spaced denticles, concave side with numerous radially disposed ribs, posterior process missing, midportion of anterior and posterior face smooth, without denticles and ribs.




References

Lee, H. Y., 1970, Conodonten aus der ChosonGruppe (Unteres Ordovizium) von Korea: Neues Jahrb. Geol., Palaeontol. Abh., v. 136, no. 3, p. 303-344, pl. 7, 8.


Museum or Author Information

Lee, 1970