Pseudozygopleura scruposus (FOSSIL) Hoare & Sturgeon, 1981 †
Pseudozygopleura semicostata (FOSSIL) (F.B. Meek, 1871 †)
Pseudozygopleura sinuosior (FOSSIL) Knight, 1930 †
Pseudozygopleura sturgeoni (FOSSIL) A. Nützel, 1998 †
Pseudozygopleura subclathrata (FOSSIL) (A. Römer, 1843 †)
Pseudozygopleura subulatus (FOSSIL) Hoare & Sturgeon, 1981 †
Pseudozygopleura tenuivirga (FOSSIL) Knight, 1930 †
Pseudozygopleura terebrus (FOSSIL) Knight, 1930 †
Pseudozygopleura teres (FOSSIL) (Girty, 1915 †)
Pseudozygopleura variegata (FOSSIL) Hoare & Sturgeon, 1985 †
Pseudozygopleura warthini (FOSSIL) Knight, 1930 †
Pseudozygopleura werneri (FOSSIL) Knight, 1930 †
Pseudozygopleura yandellana (FOSSIL) (J.W. Hall, 1856 †)
Stephanozyga crassa (FOSSIL) (J. Wanner, 1922 †)
Stephanozyga ignorata (FOSSIL) (Trautschold, 1867 †)
Stephanozyga lisaspira (FOSSIL) B.S. Kues & Batten,2001 †
Stephanozyga longnorensis (FOSSIL) Longst 1933 †
Stephanozyga magna (FOSSIL) Wang, 1987 †
Stephanozyga nishimurai (FOSSIL) T. Kase, 1988 †
Stephanozyga nodosa (FOSSIL) (Girty, 1915 †)
Stephanozyga ornamentaria (FOSSIL) (Netchaev, 1894 †)
Stephanozyga rugifera (FOSSIL) (B. Phillips 1836 †)
Stephanozyga subnodosa (FOSSIL) Knight, 1930 †