The shell is broad and relatively elongated with a widely open siphonal canal with the distal opening of the canal slightly flaring.
In contrast to other Spindles in the area have a more sinuous canal.
The shell is sculpted with coarse lines spiraling along the whorls and short axial ribs forming spiarally elongated tubercles on well-marked peripheral cords.
The exterior of the shell is white and they are covered with a yellowish-brown to greenish-brown periostracum.
[3] This species occurs in the outer coast of Baja California, throughout the Gulf of California and south to Ecuador including Galápagos Islands and Peru.