| 释义 |
palaeo·con·cha
\ˌ ̷ ̷ ̷ ̷ ̷ ̷ˈkäŋkə\ noun plural
Usage: capitalized
Etymology: New Latin, from pale- + Latin concha conch
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 |