Rhynchonellidae

plural noun

Rhyn·​cho·​nel·​li·​dae

: a family of articulate brachiopods that is known from the Ordovician to the Holocene and is usually placed in a distinct suborder or superfamily of Telotremata but is sometimes considered to form a separate order

Word History

Etymology

New Latin, from Rhynchonella, type genus + -idae

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!