Sphaerillo boninensis A right mandible, holotype (male) B left mandible, holotype (male) C outer endite of first maxilla, holotype (male) D inner endite of first maxilla, holotype (male) E second maxilla, holotype (male) F maxilliped, holotype (male). Scale bars: 100 μm (A, B); 50 μm (C–F).

 
 
  Part of: Karasawa S (2020) Sphaerillo boninensis Nunomura, 1990 (Crustacea, Isopoda, Oniscidea) is a junior synonym of a pantropical species, Venezillo parvus (Budde-Lund, 1885). ZooKeys 923: 1-14. https://doi.org/10.3897/zookeys.923.26018