Keferstein, 1862
Diagnosis
With two lateral acetabuliferous arms and median arm, or suckers implanted on buccal wall.
Two subgenera:
Crucibranchaea Pruvot-Fol, 1942
  Pneumodermopsis macrochira Meisenheimer, 1905
Pneumodermopsis Keferstein, 1862
  Pneumodermopsis brachialis Minichev, 1976
  Pneumodermopsis paucidens (Boas, 1886)
[Table Pneumodermatidae]