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Classification of the Cephalodiscoidea (Graptolithoidea)
           Class Graptolithoidea Lapworth sensu Beklemishev, 1951 [M. Cambrian - Recent]
          
(= Class Pterobranchia Lankester, 1877 + Class Graptolithina Bronn, 1849; = Class Pterobranchea Kinman, 1994)
 

                                             Order Cephalodiscoidea
Beklemishev, 1951 [L. Ordovician - Recent]
   

      Family Cephalodiscidae
Harmer, 1905 [L.-M. Ordovician, Eocene, Recent]
        
Genus Cephalodiscus M'Intosh, 1882 [Eocene, Recent]
           
Cephalodiscus aequatus Andersson, 1907 [Recent]
           
Cephalodiscus agglutinatus Harmer et Ridewood, 1913   [Recent]
           
Cephalodiscus anderssoni Gravier, 1912   [Recent]
           
Cephalodiscus atlanticus Bayer, 1962 [Recent]
           
Cephalodiscus (Orthoecus) densus Andersson, 1907   [Recent]
            Cephalodiscus dodecalophus
M'Intosh, 1882   [Recent] TYPE SPECIES
           
Cephalodiscus (Idiothecia) evansi Ridewood, 1918   [Recent]
           
Cephalodiscus fumosus John, 1931 [Recent]
           
Cephalodiscus gilchristi Ridewood, 1906   [Recent]
            Cephalodiscus gracilis
Harmer, 1905   [Recent]
           
Cephalodiscus graptolitoides Dilly, 1993   [Recent]
           
Cephalodiscus hodgsoni Ridewood, 1906 [Recent]
           
Cephalodiscus inaequatus Andersson, 1907 [Recent]
           
Cephalodiscus indicus Schepotieff, 1909  [Recent]
           
Cephalodiscus (Acoelothecia) kempi John, 1931 [Recent]
            Cephalodiscus levinseni
Harmer, 1905   [Recent]
           
Cephalodiscus lutetianus Abrard, Dollfus et Soyer, 1950   [Eocene]
          
  Cephalodiscus (Idiothecia) nigrescens Lankester, 1912   [Recent]
           
Cephalodicus rarus Andersson, 1907 [Recent]
           
Cephalodiscus sibogae Harmer, 1905 [Recent]
           
Cephalodiscus (Orthoecus) solidus Andresson, 1907 [Recent]
    
   Genus Atubaria Sato, 1936 [Recent] Attention: a doubtful taxon!
          
Atubaria heterolopha Sato, 1936                             
        
Genus Pterobranchites Koz這wski, 1967 [Ordovician]
          
Pterobranchites antiquus Koz這wski,1967 [Ordovician]
      
Family Eocephalodiscidae Koz這wski, 1949 [L. Ordovician]
     
  Genus Eocephalodiscus Koz這wski, 1949 [L. Ordovician]
          
Eocephalodiscus polonicus Koz這wski, 1949 [L. Ordovician; ?Silurian]
         
   


           
by Piotr Mierzejewski
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updated July 13, 2005