Platorchestiinae subfam. nov. (Amphipoda, Senticaudata, Talitridae) with the description of three new genera and four new species Author Lowry, J. K. Author Myers, A. A. 0000-0003-3256-2123 School of Biological, Earth and Environmental Sciences, University College Cork, Cork Enterprise Centre, Distillery Fields, North Mall, Cork, Ireland. bavayia @ gmail. com; https: // orcid. org / 0000 - 0003 - 3256 - 2123 bavayia@gmail.com text Zootaxa 2022 2022-02-17 5100 1 1 53 journal article 20608 10.11646/zootaxa.5100.1.1 cabdbbb1-1226-4c2e-b90b-fae0742b5091 1175-5326 6127681 F42DAC62-0E30-442E-A375-87FC02B2CC99 Morinoia paludosus ( Cheng, Nakazono, Lin & Chan, 2011 ) ( Fig. 20 ) Platorchestia japonica .— Miyamoto & Morino 2004: 83–88 , figs 8–10, 15. Platorchestia paludosus Cheng, Nakazono, Lin & Chan, 2011: 4 , figs 2–10. Morinoia paludosus Lowry & Myers, 2019: 61 , fig. 27. FIGURE 20. Morinoia paludosus ( Cheng, Nakazono & Chan, 2011 ) , after Miyamoto & Morino, 2004 . Types. Holotype , male, NMNS —6519-001 . Paratypes : 4 males and 4 females , NMNS 6519-002 ― 06519-009 ; 2 males and 2 females , AM P.84807); 2 males and 2 females , ASIZCR 000230. Type locality. Guan-du , Taipei County , Taiwan . Ecological type . Marsh-hopper. Habitat. Marsh-hopper living in salt marshes and under fallen leaves and grass in humid places such as banks of streamlets and paddy fields. According to Cheng et al . 2011 the salt marsh in Guan-du, Taiwan is dominated by Phragmites communis (L.) Trin. and Brachiaria mutica (Forsk) Stapf. , with irregular flooding after raining. Platorchestia paludosus was found under leaf-litter of Brachiaria mutica (Forsk) on the water front of estuarine marshes. Size. 7–8 mm . Diagnosis. Based on Miyamoto & Morino (2004) . Pleopods rami about as long as peduncle. Uropod 3 ramus about 0.7 × length of peduncle. Telson with 4 robust setae per lobe. Remarks. See remarks under M. humicola and under M. japonica . Distribution. Taiwan : Guan-du ( Cheng et al . 2011 ); Tanshui and Nanfang-ao ( Miyamoto & Morino 2004 ).