Diagnosis. Shell broadly convex, fusiform, fragile, usually with shouldered teleoconch whorls, numerous, low, thin axial lamellae; long, occasionally weakly twisted, broadly open siphonal canal. Spiral sculpture absent or consisting of low, rounded, narrow primary cords.
Remarks. Species of Abyssotrophon live in bathyal or abyssal depths, from 140 to over 7000 m, usually between 1000 and 5000 m. They are currently only known from the northern Pacific.