Fig. 1.

Details of L. antarctica Warén & Hain, 1992. (A) Shell, dorsal view. Note the limpet-like shape with anterior apex and light reflection caused by prismatic and inner nacreous layers. (B) Scanning electron micrograph of the shell (dorsolateral view from left side). (C) Soft body (shell removed) (dorsal view). Note the characteristic spiral intestine (left) filled with mineral particles, brown-dotted esophageal pouches (right), and serial shell muscles (arrows). (D) Soft body, ventral view. Note the round sucker-like foot (central), serial gills (arrows), and mouth area with tentacles (right).