1882  Pericyclus Mojsisovics, p.141
pars 1884  Pericyclus.- Hyatt: 330.
pars 1889  Pericyclus.- Holzapfel: 33.
     1897  Pericyclus.- Foord & Crick: 143.
     1898  Pericyclus .- Haug: 28.
     1903  Pericyclus.- Smith. 60.
     1903  Pericyclus.- Foord: 218.
pars 1922  Pericyclus.- Schindewolf. 16.
pars 1925  Pericyclus.- Schmidt: 552.
pars 1926  Pericyclus.- Schindewolf: 79.
pars 1939  Pericyclus.- Schindewolf: 466.
     1940  Pericyclus.- Delepine: 38.
     1940  Pericyclus.- Librovich: 115, 267.
     1941  Pericyclus.- Delepine: 48.
     1948  Pericyclus.- Turner: 50.
pars 1951  Pericyclus.- Schindewolf: 73.
pars 1957  Pericyclus.- Treatise: L59,
        ----     Pericyclus (Pericyclus).- Treatise: L59.
     1957  Ammonellipsites (Pericyclus) - Gordon, p.32.
     1960  Pericyclus (Pericyclus) - Ruzhentsev, p.201.
     1962  Pericyclus (Pericyclus) - Osnovy, p.366.
     1965  Ammonellipsites (Pericyclus).- Gordon: 174.
     1980  Pericyclus.- Kuzina:  63.

Type species: Goniatites princeps de Koninck,1844,p.579 [OD]

A:   Conch form discoidal to thickly discoidal, with narrow to wide umbilicus.
B-C:   Sculpture consists of prominent simple or (rarely) dichotomous ribs, split close to umbilicus;  spiral ornamentation
may be present.
G:   Ventral lobe narrow, with parallel sides and low median saddle. First lateral saddle rounded with slightly convergent flanks, adventitious lobe asymmetrically triangular.

[Turner, 1948, p.50: rounded first lateral saddle with slightly convergent flanks, low median saddle.]