Medmassa is a genus of corinnid sac spiders first described by Eugène Simon in 1887 under the name "Megaera", later renamed because "Megaera" was already in use as a synonym of the reptile genus Trimeresurus.
Species
it contains ten species: Medmassa celebensis (Deeleman-Reinhold, 1995) – Indonesia (Sulawesi) Medmassa christae Raven, 2015 – Australia (Queensland) Medmassa diplogale Deeleman-Reinhold, 2001 – Borneo Medmassa frenata (Simon, 1877) (type) – Philippines Medmassa insignis (Thorell, 1890) – Indonesia (Sumatra, Borneo) Medmassa kltina (Barrion & Litsinger, 1995) – Philippines Medmassa pulchra (Thorell, 1881) – New Guinea Medmassa semiaurantiaca Simon, 1910 – Africa Medmassa tigris (Deeleman-Reinhold, 1995) – Indonesia (Sumatra, Borneo) Medmassa torta Jin, H. Zhang & F. Zhang, 2019 – China (Hainan)