Slit-shell

Slit'-shell' noun (Zoology) Any species of Pleurotomaria , a genus of beautiful, pearly, spiral gastropod shells having a deep slit in the outer lip. Many fossil species are known, and a few living ones are found in deep water in tropical seas.
Found on http://www.encyclo.co.uk/webster/S/123

slit-shell

<zoology> Any species of Pleurotomaria, a genus of beautiful, pearly, spiral gastropod shells having a deep slit in the outer lip. Many fossil species are known, and a few living ones are found in deep water in tropical seas. ... Source: Websters Dictionary ... (01 Mar 1998) ...
Found on http://www.mondofacto.com/facts/dictionary?slit-shell

Slit-shell

• (n.) Any species of Pleurotomaria, a genus of beautiful, pearly, spiral gastropod shells having a deep slit in the outer lip. Many fossil species are known, and a few living ones are found in deep water in tropical seas.
Found on http://thinkexist.com/dictionary/meaning/slit-shell/
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