After Mould, 1995-1997 and Williams, G. S., 1999-2000

<==o Brachaeluridae Applegate, 1974 (sokkohait; blind sharks)
   |--o Brachaelurus Ogilby, 1907 [Cirriscyllium] U.Cret. NA. Eu.
   |  |-- †B. roklumensis Thies, 1981
   |  |-- B. waddi (Bloch & Schneider, 1801) (sokkohai; Blind shark)
   |  `-- B. colcloughi Ogilby, 1908 [Heteroscyllium colcloughi (Ogilby, 1908) sensu Regan, 1908] (Bluegray carpetshark; sinisokkohai)
   |--o †Eostegostoma Paleoc. Eu. Af. NA.
   |  |-- †E. angustum Nolf & Taverne, 1977
   |  `-- †E. sp.
   |--o †Palaeobrachaelurus Thies, 1983; Jur. Eu.
   |  |-- †P. aperizostus Thies, 1983
   |  |-- †P. bedfordensis Thies, 1983 [incl. P. alisonnae Thies, 1983 sensu Batchelor & Ward, 1990]
   |  `-- †P. sp.
   `-- †Paraginglymostoma bloti Herman, 1982; U.Cret. Eu.

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