dictionary help| spirifer | medical dictionary |
<paleontology> Any one of numerous species of fossil brachipods of the genus Spirifer, or Delthyris, and allied genera, in which the long calcareous supports of the arms form a large spiral, or helix, on each side.
Origin: NL, fr. L. Spira a coil + ferreto bear.
(01 Mar 1998)
spiranthy, spiration, spire, spirem, spiricle < Prev | Next > spirilla, Spirillaceae, spirillar
Bookmark with:      | word visualiser | Go and visit our forums  |
