Usually these large shells are elongated, thick and sturdy, with rounded whorls and with tubercles more or less developed on some sutures.

The siphonal channel is moderately long and the lip bears many teeth, often double, arranged along the polished, white or brown edge.

The external surface of the shell is brown ocher, with clearer tubercles and other protruding parts.

In the living individual the shell is commonly covered with an outer velvety layer.

[8] These outer shelf-upper bathyal sea snails live on sandy or muddy bottoms.