organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Order Mysida Haworth, 1825 - mysids
     Family Mysidae Haworth, 1825
       Subfamily Mysinae Haworth, 1825
         Tribe Leptomysini Hansen, 1910 see Subfamily Leptomysinae Hansen, 1910
           Genus Promysis Dana, 1850
             1 Promysis atlantica Tattersall, 1923