Phylum Chaetognatha Leuckart, 1854 - chaetognaths Genus Sagitta Quoy & Gaimard, 1827 Sagitta elegans Verrill, 1873 see Parasagitta elegans (Verrill, 1873) Sagitta elegans arctica Aurivillius, 1896 Sagitta elegans baltica Ritter-Záhony, 1911 Sagitta elegans elegansᵀ Verrill, 1873