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Amphissites

Classification

    Phylum:  
Arthropoda
    Subphylum:  
Crustacea (superclass)
    Class:  
Ostracoda
    Order:  
Palaeocopida
    Suborder:  
Beyrichicopina
    Superfamily:  
Kirkbyacea
    Family:  
Amphissitidae
    Formal Genus Name and Reference:  
Amphissites GIRTY, 1910
    Type Species:  
A. rugosus


Images

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Fossil ImageFossil ImageFossil Image
Fig. 98,3. *A. rugosus, Miss., Ark., 3a-d, carapace (lectotype Roundy, 1926), L lat., dors., vent., post., X40 (Sohn, n). -- Fig. 96,3 . A centronotus (Ulrich & Bassler), Penn., USA(Tex.), cross section of carapace in front of central node, X90 (73). -- Fig. 97,1. A. primus (Cooper), U.Miss., USA(Ill.), (type species of Ectodemites), 1a-c, carapace L, dors., vent., X30 (Sohn, n)


Synonyms

Albanella, Binodella, ?Ectodemites


Geographic Distribution

N.Am.-Eu.-Asia


Age Range

    Beginning Stage in Treatise Usage:  
M.Dev.
    Beginning International Stage:  
Eifelian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
394.3
    Ending Stage in Treatise Usage:  
M.Perm.
    Ending International Stage:  
Capitanian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
259.55


Description

Median node flanked laterally by carinae which may or may not superpose elongate nodes, and which are connected by dorsal carina subparallel to and joining hinge near cardinal angles; with terminal dentition and 2 marginal rims. [Brlllius BIlAYEIl, 1952, is judged to be based on a male corresponding to female Eetodemites and accordingly classed doubtfully as synonym of AmplUssites-SCOTT.]




References



Museum or Author Information

lectotype Roundy, 1926