pleurotomariid
/ˌplʊərə(ʊ)tə(ʊ)ˈmɛːrɪɪd/ /ˌplɔːrə(ʊ)tə(ʊ)ˈmɛːrɪɪd/(also pleurotomarid) Zoology and Palaeontology
noun
Any of various primitive, deep-water gastropod molluscs constituting the family Pleurotomariidae, having a conical shell with a slit running up from the outer lip through which exhaled water and waste material passes.
adjective
Of or relating to the family Pleurotomariidae.
Origin
Late 19th century. From scientific Latin Pleurotomaria, genus name, though not validly published until 1826 by Defrance; adaptation of Pleurotoma, genus name, by the addition of a distinguishing suffix; compare -ary) + -id, after scientific Latin Pleurotomariidae, family name (King 1850).