Free-living marine nematodes in Andhra Pradesh Coast, India Author Sivaleela, Gunasekaran Author Surendar, Chandra Author Kumar, Rubavath Rajendar text Records of the Zoological Survey of India 2021 121 2 283 301 journal article 10.26515/rzsi/v121/i2/2021/151251 2581-8686 13186309 15. Paracanthonchus heterodontus Schulze, 1932 1932. Paracanthonchus heterodontus Schulze. Zool. jahrb. jena . (syst), 62 : 331-430, Figure 51. 1988. Paracanthonchus heterodontus Platt and Warwick. Free-living marine nematodes: Part. II. British Chromadorida . Synopses of the British Fauna No.38. P.257, Figure 115. Material examined : 4♂ , (Reg. No. N. 275), Endy beach, 30.vii.2014 , Coll. G. Sivaleela. Diagnostic characters : Paracanthonchus has cuticle with transverse rows of fine dots. Gubernaculum distally expanded and dentate. The position of precloacal supplements. Distribution : Pudukudi (Palk Bay) Tamil Nadu ( Sivaleela, 2016 ). Elsewhere : Strangford Lough, North-East Ireland . Remarks : The species resembled with description of the Platt & Warwick (1983) by its lateral differentiation of cuticle and the position of precloacal supplements. So, they are considered as P. heterodontus .