spirifer

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See also: Spirifer

English[edit]

Etymology[edit]

From Latin spira (a coil) + fero (I bear).

Noun[edit]

spirifer (plural spirifers)

  1. (paleontology) Any of numerous species of fossil brachiopods 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.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.