Synagoga arabesque sp. nov., male. General morphology A, C–E one paratype Mg 1245; B other paratype Mg 1245 A general view lateral with outstretched antennules, oral cone, thoracopods and abdomen, right side B general view lateral, left side, anterior end left C left valve of carapace with frontal filament complex, inner side, anterior end right D first abdominal (seventh trunk) segment with penis, lateral view E Enlarged part of basal shaft of penis with pleural process of first abdominal segment (plp) F Distal part of telson with telson spine and furcal ramus (inner side). Abbreviations: a1 – antennule, ab – abdomen, acp – anterior pit of carapace, ad – adductor muscle, ar – anterior ramus of frontal filament complex, bs – basal ramus of frontal filament complex, ffc – frontal filament complex, fr – furcal rami, gd – gut diverticulum, oc – oral cone, pe – penis, plp – pleural process of first abdominal segment, pr – posterior ramus of frontal filament complex, tes – testis, thp1-6 – thoracopods I–VI, ts – telson spine. Scale bars: in μm.