Omphalotropis rubens
Omphalotropis rubens is a species of minute , salt marsh snail with an operculum , aquatic gastropod mollusk , or micromollusk , a terrestrial gastropod mollusk in the family Assimineidae . 
<triplet> snail <subj> gastropod <obj> subclass of <subj> gastropod <obj> subclass of <triplet> gastropod <subj> mollusk <obj> parent taxon <subj> mollusk <obj> parent taxon <triplet> gastropod <subj> mollusk <obj> parent taxon <subj> mollusk <obj> parent taxon