Ariyama, H. Species of the Maera-Clade Collected from Japan. Part 2: Genera Austromaera Lowry & Springthorpe, 2005 and Quadrimaera Krapp-Schickel &Amp; Ruffo, 2000 (Crustacea: Amphipoda: Maeridae). Zootaxa 2019, 4554, 460–496.