plural noun

in some classifications
: a division of Protobranchia comprising simple extinct bivalve mollusks with thin shells and a primitive hinge and sometimes including also a few recent marine bivalves

Word History


New Latin, from pale- + Latin concha conch

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Dictionary Entries Near Palaeoconcha

Cite this Entry

“Palaeoconcha.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2024.

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