Polyptychitidae
Amundiptychites thorsteinssoni
Astieriptychites obsoletus
Polyptychites (Polyptychites) ascendens
Polyptychites (Astieriptychites) astieriformis
Polyptychites (Astieriptychites) astierptychus
Polyptychites balkwilli
Polyptychites canadensis
Polyptychites (Polyptychites) conferticosta
Polyptychites (Euryptychites) copiocostatus
Polyptychites (Euryptychites) diplotomus
Polyptychites (Amundiptychites) fasciatus
Polyptychites (Euryptychites) gravesiformis
Polyptychites hapkei
Polyptychites (Polyptychites) keyserlingi
Polyptychites (Euryptychites) laevis
Polyptychites (Euryptychites) latissimus
Polyptychites (Polyptychites) michalskii
Polyptychites (Euryptychites) molsbergensis
Polyptychites (Euryptychites) pateraeformis
Polyptychites (Polyptychites) plenus
Polyptychites (Polyptychites) polyptychus
Polyptychites (Polyptychites) ramulicosta
Polyptychites (Polyptychites) rawsoni
Polyptychites (Primitiviptychites) rectangulatus
Polyptychites (Polyptychites) robertsi
Polyptychites (Euryptychites) roemeri
Polyptychites (Euryptychites) rubricosus
Polyptychites (Amundiptychites) sphaericus
Polyptychites (Siberiptychites) stubendorffi
Polyptychites (Euryptychites) subcoronatus
Polyptychites (Amundiptychites) sverdrupi
Polyptychites (Euryptychites) traillensis
Polyptychites tschekanovskii
Polyptychites (Polyptychites) tuberculatus
Siberiptychites (Siberiptychites) fascicostatus
Siberiptychites (Pseudoeuryptychites) middendorffi
Siberiptychites (Pseudoeuryptychites) pavlovi
