(Cylindromacrostomum) (Cylindromacrostomum) is a biological genus in the family Dolichomacrostomidae and order Dolichomicrostomida.
Cylindromacrostomum formosae
Cylindromacrostomum mediterraneum
Cylindromacrostomum notandum
Cylindromacrostomum riegeri
Acanthomacrostomum
Austromacrostomum
Bathymacrostomum
Cylindromacrostomum
Dolichomacrostomum
Karlingia
Megamorion
Meiocheta
Myomacrostomum
Myozonaria
Paramacrostomum
Paramyozonaria
Paromalostomum