Quadrimaera Krapp-Schickel & Ruffo, 2000

Ariyama, Hiroyuki, Kodama, Masafumi & Tomikawa, Ko, 2020, Species of the Maera-clade collected from Japan. Part 4: addenda to genera Maera Leach, 1814 and Quadrimaera Krapp-Schickel & Ruffo, 2000, with revised keys to Japanese species of the clade (Crustacea: Amphipoda: Maeridae), Zootaxa 4885 (3), pp. 336-352 : 344

Quadrimaera Krapp-Schickel & Ruffo, 2000

[Japanese name: Kaku-sunnariyokoebi-zoku]

Synonym, diagnosis and included species. See Ariyama (2019). However, on the mandibular palp in the diagnosis, “article 1 lacking distal tooth” is modified to “article 1 usually lacking distal tooth” (see Remarks of Quadrimaera angulata sp. nov.). In addition, the following four species are added to the included species: Quadrimaera anhi Dang & Le, 2011 ; Q. miramirandella Alves, Neves & Johnsson, 2018 ; Q. vietnamica Dang & Le, 2011 ; and Q. yemanjae Alves, Neves & Johnsson, 2018 .