A new asellote isopod of the genus Microjanira Schiecke & Fresi, 1970 (Crustacea: Isopoda: Asellota: Janiridae) from Japan

Abstract

Microjanira pacifica sp. nov. is described from the infralittoral zone of Wakayama Prefecture, middle Japan, as the first record for the genus from the Pacific. Microjanira pacifica differs from its congener in having posterolaterally projecting pleopod 1, distolaterally expanded pleopod 2, slender appendix masculina, and the exopod of pleopod 3 shorter than half of second article of the endopod.