slitshell

== English == === Etymology === From slit +‎ shell. === Noun === slitshell (plural slitshells) Any of various gastropods having a slit in the shell, particularly those of Pleurotomaria. === References === Pleurotomariidae on Wikipedia.Wikipedia Pleurotomariidae on Wikispecies.Wikispecies Category:Pleurotomaria on Wikimedia Commons.Wikimedia Commons