A new species of pagurid hermit crab assigned to the genus Kumepagurus Komai & Osawa, 2012 (Decapoda: Anomura: Paguroidea) from the Kaikata Seamount Izu-Ogasawara Arc, Japan Author Komai, Tomoyuki text Zootaxa 2020 2020-09-30 4858 2 241 250 journal article 9104 10.11646/zootaxa.4858.2.5 ce674982-d2b4-4f48-a10f-fff99cfb45a3 1175-5326 4411809 47DABA81-90D6-49FA-8F1C-89D367B04A4C Genus Kumepagurus Komai & Osawa, 2012 Kumepagurus Komai & Osawa, 2012: 145 . Type species. Kumepagurus cavernicolus Komai & Osawa, 2012 . Emended diagnosis. Gills biserial, 11 or 13 pairs (2 arthrobranchs above bases of maxilliped 3 and pereopods 1–4 and 1 pleurobranch on thoracomere 7, pleurobranchs on thoracomeres 5 and 6 present or absent). Ocular acicles simple. Maxilliped 3 with crista dentata consisting of moderately or widely spaced teeth; no accessory tooth. Right cheliped massive, chela operculiform; dactylus articulating obliquely with palm. Left cheliped fixed finger terminating in 2 tiny corneous claws. Pereopods 4 simple, with propodal rasp consisting of single row of corneous scales; no preungual process. Male with medium, coiled, laterally oriented sexual tube on coxa of right pereopod 5; left coxa with short sexual tube, directed posteriorly or posterolaterally, tapering distally to slender, acute tip. Male with unpaired left pleopods 3–5. Female without pleopods 1; unpaired left pleopods 2–5; paired gonopores on pereopods 3 coxae. Pleon dextrally twisted. Pleomere 6 tergite not strongly calcified. Telson with terminal margins oblique; anterior lobe posterolateral margins each with conspicuous tuft of setae. Composition. In addition to the type species, Kumepagurus kaikata n. sp. is assigned to the genus.