Placunopsis parvula (FOSSIL) Stefanini, 1939 †
Placunopsis plana (FOSSIL) Giebel, 1856 †
Placunopsis propediscus (FOSSIL) Graham †
Placunopsis pseudoradiata (FOSSIL) d'Orbigny †
Placunopsis radiata (FOSSIL) (B. Phillips, 1829 †)
Placunopsis rothi (FOSSIL) Marincovich Jr., 1993 †
Placunopsis socialis (FOSSIL) Morris & J. Lycett,1853 †
Pododesmus foliatus (W.J. Broderip, 1834)
Pododesmus fragosus (FOSSIL) T.A. Conrad, 1875 †
Pododesmus incisurus (FOSSIL) (F.W. Hutton, 1873 †)
Pododesmus leloiri A. Carcelles, 1941
Pododesmus macrochisma (G.P. Deshayes, 1839)
Pododesmus macrochisma cepio J.E. Gray, 1850
Pododesmus maxwelli (FOSSIL) A.G. Beu, 1967 †
Pododesmus ornata É.A.A. Locard, 1897
Pododesmus paucicostatus (FOSSIL) A.G. Beu, 1967 †
Pododesmus puntarenensis (FOSSIL) T. Soot-Ryen, 1952 †
Pododesmus rudis (W.J. Broderip, 1834)
Pododesmus scabra (FOSSIL) (Morton, 1834 †)
Pododesmus sella (FOSSIL) R. Tate, 1886 †
Pododesmus waccamawensis (FOSSIL) (Gardner, 1943 †)
Wakullina floridana (FOSSIL) (Dalll 1895) †
Huyella lefevrei (FOSSIL) (Fischer, 1880 †)