Montacutidae W. Clark, 1855
Montacutona ceriantha Ponder, 1971
Montacutona japonica (Yokoyama, 1922)
Montacutona kurilensis (Scarlato & Ivanova, 1974)
Montacutona mutsuwanensis Yamamoto & Habe, 1959
Montacutona olivacea Habe, 1959
Montacutona tanakai Habe, 1959