Five new records of nematodes from East Antarctica Author Bohra, P. Author Sanyal, A. K. Author Hussain, A. Author Mitra, B. text Journal of Threatened Taxa 2010 2010-06-26 2 6 974 977 http://threatenedtaxa.org/index.php/JoTT/article/view/511 journal article 10.11609/JoTT.o2342.974-7 0974-7907 5032044 Helicotylenchus exallus Sher, 1966 ( Fig. 2 ) Material examined: 5 females , 30.xii.1999 , coll. A.K. Sanyal, Reg.No. IV/1924 . Host : Moss at the bank of PDL. Measurements: Females ( 5): L = 0.61-0.65 mm ; a = 26-28; b = 6.0-6.2; c = 40-45; c´ = 0.7-1.2; V = 10-1160 - 628- 10 Description Female: Body spiral shaped. Lip region hemispherical marked by four annules. Stylet 24-26 µm long, basal knobs with flattened anterior surface. Spermatheca large, offset with sperms. Phasmid 2-3 annules anterior to anus. Tail more curved dorsally with slight ventral projection. Male: Not found. µm 50 A Distribution: India , USA . Remarks: First report from Antarctica .