Category:Lingula

Lin"gu*la, n.; pl. -læ. Etym: [L., a little tongue.]

1. (Anat.)

Defn: A tonguelike process or part.

2. (Zoöl.)

Defn: Any one of numerous species of brachiopod shells belonging to the genus Lingula, and related genera. See Brachiopoda, and Illustration in Appendix. Lingula flags (Geol.), a group of strata in the lower Silurian or Cambrian system of Wales, in which some of the layers contain vast numbers of a species of Lingula.