monopleurid
/ˌmɒnə(ʊ)ˈplʊərɪd/ /ˌmɒnə(ʊ)ˈplɔːrɪd/Palaeontology rare
noun
A fossil bivalve mollusc of the family Monopleuridae (now usually included in the family Caprotinidae).
Origin
Early 20th century; earliest use found in Archibald Geikie (1835–1924), geologist and historian. From scientific Latin Monopleura, genus name + -id, after scientific Latin Monopleuridae, family name.