Word.ws English Dictionary

proostraca

proostraca is the plural of proostracum.

Meaning of proostracum

Noun

proostracum (plural proostraca)

  1. The anterior prolongation of the guard of the phragmocone of belemnites and allied fossil cephalopods, whether horny or calcareous.

Questions about proostraca

What is proostraca the plural of?
Proostraca is the plural of proostracum.

Words near proostraca in the dictionary

  1. proopiomelanocortins
  2. Proosian
  3. Proosians
  4. proosteoblastic
  5. proosteoclastogenic
  6. proostraca
  7. proostracum
  8. proot
  9. prootic
  10. prootics
  11. proots

Source and license

Adapted from Wiktionary: proostraca (page history and authors); proostracum (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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