1983  Fidelites Chlupác & Turek: 46.
     1994  Fidelites.-Becker & House: 95.
     2002  Fidelites.-Klug: 29,
       -----  Parafidelites Klug: 35.
     2002  Fidelites.-Korn & Klug: 81,
       ----   Parafidelites.-Korn & Klug: 81.

Type species: Goniatites fidelis Barrande 1865, pl.8 [OD].

Representatives of F. differ from Agoniatites s.str. in having more involute shell with narrow umbilicus and deeper imprint
zone. Ventrolateral sulci usually well defined, ribs absent.