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 Americamysis Price, Heard & Stuck, 1994
             Americamysis alleni Price, Heard & Stuck, 1994