1922  Pericyclus (Caenocyclus) Schindewolf: 17.
     1926  Pericyclus (Caenocyclus).- Schindewolf: 83.
     1939  Pericyclus (Caenocyclus).- Schindewolf: 466.
     1951  Pericyclus (Caenocyclus).- Schindewolf: 78.
     1960  Caenocyclus.- Ruzhentsev: 249.
     1962  Caenocyclus.- Osnovy: 409.

Type species: Pericyclus (Caenocyclus) perisphinctoides Schindewolf, 1922, p. 16 [M].

A:   Conch form discoidal, with wide umbilicus.
C:   Sculpture with prominent polyschizotomous ribs.
G:   Suture unknown.

[Only the poorly preserved holotype of type species known; assignment to family uncertain,maybe junior synonym of
Pericyclus or Ammonellipsites, or senior synonym of Gattenpleura].