Monocystis sipunculi
Monocystis sabellae
Monocystis holothuriae
Monocystis sagittata
Monocystis nemertis
Monocystis copiliae
Monocystis eunicae
Monocystis ascidiae
Monocystis amaroecii
Monocystis lacrima
Monocystis gammari
Monocystis cirratuli
Monocystis aphroditae
Monocystis clymenellae
Monocystis sepiae
Monocystis telepsavi
Monocystis stiedae