crepidula

[Lat. a small sandal, dim in. of crepida a slipper or sandal.] Zool .: A genus of gasteropodous Mollusks, family Calyptræide (Bonnet Limpets). The shell is oval and limpet-like, the hinder half of its interior with a shelly partition. Known recent species fifty-four, from the West Indies, the Mediterranean, Africa, India, and Australia; fo il, fourteen species, from the Eocene onward. beads have rectangular dentations. *cre-něl-lā-tion, s. [Eng. crenellate .] 1. The act of embattling. 2. The state or condition of being embattled. 3. An indentation or notch. 4. An embrasure. "Octavo ramparts flanked with quarto crenellations "Lytton, Caxtons , bk. xii., ch. vi. ( Davies .)