Pseudanchialina pusilla (G.O. Sars, 1883 )

Yolanda, Rofiza, Ambarwati, Reni, Rahayu, Dwi Anggorowati, Budijastuti, Widowati, Fitrihidajati, Herlina, Kuntjoro, Sunu, Rachmadiarti, Fida & Purnomo, Tarzan, 2023, An annotated checklist of the species of Lopogastrida and Mysida (Crustacea Peracarida) from Thailand and its adjacent waters, Zootaxa 5244 (3), pp. 201-232 : 207

Pseudanchialina pusilla (G.O. Sars, 1883)

= Promysis pusilla G.O. Sars, 1883

= Anchialus pusillus G.O. Sars, 1885

= Anchialina pusillus Gordan, 1957

Type locality. Celebes Sea (G.O. Sars 1883) .

Record from Thailand. South-eastern Andaman Sea, next to Phuket Island ( Fukuoka & Murano 2002).

Habitat and depth. Marine, depth: 878 m ( Fukuoka & Murano 2002) .

Distribution. This species is distributed in the Celebes Sea (G.O. Sars 1883; 1885), Indonesia, Bay of Bengal ( Hansen 1910; Pillai 1973), Great Barrier Reef (W.M. Tattersall 1936; Lowry & Stoddart 2003), India ( Pillai 1957; Shyamasundari 1973; Biju et al. 2014), Strait of Malacca (O.S. Tattersall 1960), Arabian Sea ( Pillai 1964, 1973), South China Sea (Wang & Liu 1987, 1994), Malaysia ( Zalina & Othman 1994), Japan ( Fukuoka & Murano 1997) and Andaman Sea ( Fukuoka & Murano 2002; Panampunnayil 2002).

Remarks. G.O. Sars (1883) originally described this species as Promysis pusilla , where he in 1885, transferred the species to Anchialus pusillus . And in 1910, Hansen revised several genera in Gastrosaccinae and placed A. pusillus in his newly established Pseudanchialina . This species is very similar to P. inermis , however, they can be distinguished by the following characters: in P. pusilla , the rostrum is rounded and lateral margins of the telson is armed with 3–5 spines, while in P. inermis , the rostrum is subtriangular and the lateral margins of the telson armed with 6–9 spines ( Hansen 1910).