Shell Description
Shells of species in this genus can grow to a length of 40 cm. They all have a long siphonal canal.
The shells are generally a solid cream, light grey or tan in color, however the shell of Busycon perversum is marked with brown and white streaks.
The shell of individuals can sometimes vary quite widely in coloration and sculpture.
The lightning whelk, native to the Gulf of Mexico, is unusual among gastropods, having a sinistral shell.
Read more about this topic: Busycon
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