holotype PIN 4324/22

1994 Cancelloceras leonovae Nikolaeva: 114, pl.10 fig.7,8,
textfig.55.
1995 Cancelloceras leonovae.-Nikolaeva: 80, pl.9 fig.19-22,
textfig.75.
1995 Cancelloceras (Crencelloceras) leonovae.-Nikolaeva &
Kullmann:368.