neritid gastropod

Definitions of neritid gastropod

1. noun

   operculate seasnail of coastal waters with a short spiral shell
   synonyms: neritid

   types:

   nerita

   a neritid gastropod having a short smooth or spirally ridged shell with thick usually toothed outer lip and toothed operculum

   Nerita peloronta, bleeding tooth

   gastropod having reddish toothlike projections around the shell opening; of the Caribbean area

   neritina

   ornately marked and brightly colored snails of brackish waters

   type of:

   seasnail

   any of several creeping marine gastropods with a spirally coiled shell: whelks; tritons; moon shells; neritids