Stylocheilus
Stylocheilus is a genus of sea slugs , specifically sea hares , marine opisthobranch gastropod mollusks in the family Aplysiidae , the sea hares . 
<triplet> sea hares <subj> opisthobranch <obj> parent taxon <triplet> gastropod <subj> mollusk <obj> parent taxon <triplet> Aplysiidae <subj> sea hares <obj> parent taxon