spirifer

The English word “spirifer” has 1 meaning listed here.

noun

Any of numerous species of fossil brachiopods of the genera †Spirifer and †Delthyris and allied genera in order †Spiriferida, in which the long calcareous supports of the arms form a large spiral, or helix, on each side.

From Latin spira (“a coil”) + fero (“to bear”).

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