There are some species which are either insufficiently described, or of doubtful status. In most of the latter only 4 cephalic setae were described, thus suggesting
relationship with the Linhomoeidae.
M. paramonovi ALLGEN 1922c = M. ampullocauda
ALLGEN 1929b nec PARAMONOW 1926.
Wieser, W. (1956). Free-living marine nematodes III. Axonolaimoidea and Mohysteroidea. Acta Univ Lund N. F. Avd. 2. Bd 52. Nr 13: 1-115.