Barathricola Humes, 1999

Ivanenko, Viatcheslav N., Lee, Jimin, Chang, Cheon Young & Kim, Il-Hoi, 2019, Description of Barathricola thermophilus, a new species from a deep-sea hydrothermal vent field in the Indian Ocean with redescription of the Barathricola type species (Crustacea, Copepoda, Cyclopoida), ZooKeys 865, pp. 103-121 : 104

Genus Barathricola Humes, 1999

Amended diagnosis.

Cyclopoida . Prosome slender, 5-segmented. Urosome 5-segmented in female, 6-segmented in male, first somite with leg 5. Caudal rami elongate, bearing six or seven setae. Antennule 14-segmented in female and 17-segmented in male; geniculation of male antennules between segments 15 and 16. Antenna 4-segmented, without exopod; armature formula 0-1-5-7. Mandible palp biramous, with elongate basis; endopod 2-segmented, first segment with two, second segment with four setae; exopod small, indistinctly 2-3-segmented, with two terminal setae. Maxillulary coxal endite absent. Maxilla with praecoxa, coxa, basis, and 3-segmented endopod armed with four, two and four setae, respectively. Maxilliped 7-segmented, with syncoxa bearing three (1+2) setae, basis with two setae and 5-segmented endopod with setal formula 1, 1, 1, 1, 3. Legs 1-4 biramous, with 3-segmented rami; armature formula as in Table 1. Leg 1: inner margin of basis bearing long flattened setules. Third endopodal segment of leg 3 with three spines and three setae (1,II,I+2); in male with small outer terminal spine near spine-like outgrowth. Middle endopodal segment of leg 4 with distal inner seta modified into spine. Leg 5 consisting of coxa, basis, and exopod, with intercoxal sclerite; endopod absent; setal formula -0; 1-0; I, I+1+I in female and 0-0; 1-0; I, I+1+I or 0-0; 1-0; I, I+1+I, 1 in male.

Type species.

Barathricola rimensis Humes, 1999. Barathricola thermophilus sp.nov. is the second species of this genus.