Euryrhynchina puteola Grave, Piscart, Kayo & Anker, 2017, sp. nov.

Euryrhynchina puteola sp. nov. (Figs. 1–3) Material examined. Holotype. CAMEROON: 1♂ (cl 1.8), small well used for drinking water, behind the Gendarmerie, Quartier II of Mbanga city, Littoral Province, 04°29’50’’N 09°33’45’’E, 0.67 m wide, depth 9.5 m, water level (piezometric level) at 7.3 m with 2.2 m of water depth, leg. R.P. Tuekam Kayo, 20.i.2012 (OUMNH.ZC.2016-05-001). Paratypes. 4♂♂ (cl 2.7, 1.7, 2.8, 1.8), same data as for holotype (OUMNH.ZC.2016- 05-002 to 2016-05-005); 2 ♂♂ (cl 1.9, 2.1), 1 spec., sex unknown (cl 1.4) (MNHN-IU-2014-19519). Description. Carapace smooth, without setae, branchiostegial groove barely visible; rostrum triangular in shape, falling short of distal margin of eyes (Fig. 1 A, B); suborbital angle poorly developed, antennal spine absent; pterygostomial angle protruding forward, triangular, overreaching rostrum (Fig. 1 B). Pleon smooth, pleura 1–3 ventrally rounded, pleura 4–5 with postero-lateral angle somewhat quadrate. Eyes (Fig. 1 A, B) reduced, pigmented cornea small, facets poorly if at all developed; anteromesial margin of peduncle not produced, without setae. Antennular peduncle with stylocerite not laterally expanded (Fig. 1 D); anterolateral angle of basal article produced into sharp tooth, reaching to mid-length of second article; second article short, anterolateral and anteromesial angles bluntly produced; three antennular flagella present, entirely free throughout their lengths, middle flagellum consisting of five articles, ultimate twice as long as penultimate, aesthetascs only present on distal article. Antennal scaphocerite broad, slightly longer than antennular peduncle (Fig. 1 A); lateral margin straight, ending in stout sharp distal tooth, latter shorter than distal margin of lamella (Fig. 1 E). Mandible with incisor and molar processes widely separated (Fig. 2 A), palp absent; incisor process ending in four equally sized teeth; molar process weakly bilobed. Maxillule (Fig. 2 B) with two endites, palp distally bilobed. Maxilla (Fig. 2 C, D) with single endite, ...