Arenosetella CB Wilson, 1932

Soenmez, Serdar, Sak, Serdar & Karaytug, Suephan, 2016, A new species of Arenosetella Wilson, 1932 from Turkey with notes on the genus (Copepoda, Harpacticoida, Ectinosomatidae), Zoosystematics and Evolution 92 (1), pp. 119-129 : 119

Taxon classification Animalia Harpacticoida Ectinosomatidae

Genus Arenosetella CB Wilson, 1932

Amended diagnosis.

Ectinosomatidae . Body cylindrical, slightly compressed laterally, without definite demarcation between urosome and prosome. All somites except the penultimate somite with hyaline frills. Genital double somite without any trace of subdivision. Penultimate somite with a parabolic shaped pseudo-operculum. Anal somite ornamented with cuticular projections. Antennule 5 or 6 segmented in female, first segment with a long plumose seta; 6 or 7 segmented in male. Antenna basis distinct, with two segmented endopod and three segmented exopod, first segment of exopod naked or with a seta at inner distal corner, second segment with a seta at inner distal corner, last segment bears a short and a relatively long seta apically. Maxillae well developed, syncoxa slightly longer than wide, with three endites, basis elongated, about two times as long as syncoxa, slightly tapers to the tip, endopod uni-segmented, very short and curved on the anterior margin of the basis. Maxilliped stenopodial. P1-P4 with three segmented rami. Endopod longer than exopod. Setal formula of the swimming legs: