Lobothorax Bleeker 1857

Genus Lobothorax Bleeker, 1857 Remark on the genus. The genus Lobothorax was redescribed and distinguished from the superficially similar genera, Ceratothoa and Glossobius, by Yu & Bruce (2006). Yu & Bruce (2006), Ravichandran et al. (2019) and Aneesh et al. (2021) use the following characters for the identification of the genus, body narrow with a wide rostrum; anterolateral margin of pereonite 1 expanded, with prominent lobes; cephalon dorsoventrally flattened and enclosed by the anterolateral margin of pereonite 1; eyes distinct, visible; antennula and antenna are 8 and 9 segmented respectively; pereopods 1–3 small and pereopods 4–7 large; coxae shorter than respective pereonite; pereonites 5 7 are smaller in length than pereonite 1 4; pleonite 1 laterally overlapped by pereonite 7; pereopods 5 7 with raised carina; pleopods with well-developed lateral lobes; uropodal rami sub-equal in length, not extending beyond the posterior margin of the pleotelson.