Tube testaceous, cylindrical, more or less twisted, gradually attenuated
posteriorly; opening round, the margin with one, two, or three teeth;
shell adhering by the side to other substances; provided with a convex
operculum.
Vermilia rostrata.
V. triquetra.
V. bicarinata.
V. eruca.
V. subcrenata.
V. plicifera.
V. scabra.
V. tæniata.
_V. triquetra._ The three-sided Vermilia.
White or reddish, rugged, twisted and triangular, carinated along the
back.