Description:-

Body cylindrical and smooth, strongly bent between the fourth and fifth peraeon segments. Cephalon large, clearly separated from the first peraeon segment, anterior border rounded and the anterolateral corners produced. Paraeon segments one to three partially fused into a large composite segment with its inferior border expanded and produced, fourth peraeon s~gment slightly longer than the body in front of it and narrowing towards the hind end, its ventral border with miimte hairs, lateral sides with an indistinct longitudinal groove. Peraeon segments five to seven subequal, each with a prominent dorsal ridge. Pleon three segmented, shorter than telson, telson elongate triangular, with a prominent constriction at its base.

Threats:-

Not recorded

Remark:-

First record of this species was by Pillai (1963) from Kollam, Kerala.

Habitat:-

Marine

Synonyms:-

References:-

Pillai, N. K. (1963). South Indian Marine Isopods. Journal of the University of Bombay 31 (3 & 5): 100-112.
Poore, G.; Schotte, M. (2015). Arcturina cylindralis Pillai, 1963. In: Schotte, M.; Boyko, C.B; Bruce, N.L.; Poore, G.C.B.; Taiti, S. & Wilson, G.D.F. (Eds) (2015) World Marine, Freshwater and Terrestrial Isopod Crustaceans database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=259020 on 2015-08-02
http://www.marinespecies.org/aphia.php?p=taxdetails&id=257455
(Image courtesy: Pillai NK, 1963)