pileopsis

[Gr. pileos =a cap, and ops is look, appearance.] Zool .: Bonnet-limpet; a genus of Gasteropodous Mollusks, family Calyptræide. Shell conical, apex posterior, spirally recurved; aperture rounded, muscular impre ion horseshoe shaped; margin of boil, boy; pout, jowl; cat, çell, chorus, chin, bench; go, gem; thin, this;