plural noun
Cryp·​to·​sto·​ma·​ta | \ ˌkriptəˈstōmətə \

Definition of Cryptostomata

: a group of Paleozoic bryozoa (class Gymnolaemata) in which the true apertures of the zooecia are concealed at the bottom of vestibular tubes

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Other Words from Cryptostomata

cryptostome \ ˈ⸗⸗ˌstōm \ adjective or noun

History and Etymology for Cryptostomata

New Latin, from crypt- + -stomata

Keep scrolling for more

Learn More about Cryptostomata

Statistics for Cryptostomata

Cite this Entry

“Cryptostomata.” Dictionary, Merriam-Webster, Accessed 5 Aug. 2020.

Comments on Cryptostomata

What made you want to look up Cryptostomata? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

July 2020 Words of the Day Quiz

  • papercraft sunset
  • Which is a synonym of mien?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!