title: Lirularia acuticostata
text: # Lirularia acuticostata
  
  Lirularia acuticostata, common name the sharp-keeled lirularia, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
  
  ## Description
  
  The height of the shell measures 2.5 mm and its diameter 3 mm. The small, white shell has a subglobose shape. The two nuclear whorls are, smooth. Its apex is elevated. The teleoconch contains 3 whorls, with two raised carinae on the spire and six on the body whorl. The body whorl contains about 6 equal spiral cords. The axial ribs are absent. The sutures are subrectangular. The aperture is circular. The conspicuous outer lip is little contracted. The umbilicus is not large.
  
  ## Distribution
  
  This marine species occurs off the coast of Sitka, Alaska to the southern Californian coast.
  
  