Polyptychites copiocostatus
Polyptychites robertsi
Polyptychites polyptychus
Polyptychites rectangulatus
Polyptychites pateraeformis
Polyptychites fasciatus
Polyptychites plenus
Polyptychites latissimus
Polyptychites ramulicosta
Polyptychites subcoronatus
Polyptychites traillensis
Polyptychites stubendorffi
Polyptychites sverdrupi
Polyptychites ascendens
Polyptychites astierptychus
Polyptychites laevis
Polyptychites molsbergensis
Polyptychites sphaericus
Polyptychites tuberculatus
Polyptychites gravesiformis
Polyptychites roemeri
Polyptychites tschekanovskii
Polyptychites rawsoni
Polyptychites astieriformis
Polyptychites rubricosus
Polyptychites canadensis
Polyptychites hapkei
Polyptychites conferticosta
Polyptychites balkwilli
Polyptychites diplotomus
Polyptychites keyserlingi
Polyptychites michalskii