layardi, Arius Günther [A.] 1866:474 [2], Pl. 15 [Annals and Magazine of Natural History (Series 3) v. 18 (no. 108); ref. 18186] Sri Lanka. Holotype (unique): BMNH 1866.7.12.12. Type catalog: Ferraris 2007:51 [ref. 29155]. On p. 2 of separate. •Probable synonym of "Arius" argyropleuron (Valenciennes 1840) -- (Kailola 1999:1839 [ref. 24732]). •Questionably the same as Plicofollis tenuispinis (Day 1877) -- (Marceniuk & Menezes 2007:96 [ref. 29031]). •Synonym of Plicofollis argyropleuron (Valenciennes 1840) -- (Ferraris 2007:51 [ref. 29155]). •Valid as Plicofollis layardi (Günther 1866) -- (Kailola 2004:142 [ref. 28108], Coad 2010:224 [ref. 36620], Kottelat 2013:250 [reg. 32989], Psomadakis et al. 2015:167 [ref. 34104], Marceniuk et al. 2017:[4] [ref. 35522], Ali et al. 2018:312 [ref. 36183], Habib & Islam 2020:Supplementary table p. 8 [ref. 38321], Kailola 2022:197 [ref. 39697], Marceniuk et al. 2023:26 [ref. 40422]). Current status: Valid as Plicofollis layardi (Günther 1866). Ariidae: Ariinae. Distribution: Indian Ocean: Persian Gulf, Pakistan, India and Sri Lanka east to Myanmar. Habitat: brackish, marine.