検索結果（標本）

Ptychophylloceras sp.

Sato, T., 1974a   pl. J-5, fig. 3

Mesozoic | Mollusca : Cephalopoda

Material Reports, no. 15, p. 137.

Ptychophylloceras sp. nov.

Sato, T., 1962   p. 64, pl. 1, fig. 2; pl. 4, fig. 3

Mesozoic | Mollusca : Cephalopoda

Material Reports, no. 2, p. 253.