Bdelloura candida (Girard, 1850)
Bdelloura fusca Dalyell, 1814 (unaccepted )
Bdelloura longiceps (Duges, 1830) (unaccepted )
Bdelloura parasitica Leidy, 1851 accepted as Bdelloura candida (Girard, 1850)
Bdelloura propinqua Wheeler, 1894
Bdelloura rustica Leidy, 1851 (unaccepted )
Bdelloura wheeleri Wilhelmi, 1909
Nerpa evelinae Marcus, 1948
Pentacoelum caspicum Beklemischev, 1954
Pentacoelum caspium Beklemischev, 1954 accepted as Pentacoelum fucoideum Westblad, 1935
Pentacoelum fucoideum Westblad, 1935
Pentacoelum hispaniense Sluys, 1989
Pentacoelum hispaniensis Sluys, 1989
Pentacoelum kazukolinda (Kawakatsu & Mitchell, 1984)
Pentacoelum punctatum (Brandtner, 1935)
Pentacoelum sinensis He, Zhao, Ning, Zhuang, Zhang & Wang, 2016
Syncoelidium pellucidum Wheeler, 1894