TABLE 1 in A new species of the genus Perionyx Perrier, 1872 (Clitellata: Megascolecidae) and two new records from Eastern Himalayas, India

TABLE 1. Comparison between Perionyx manebhanjangensis Ahmed & Julka sp. nov. and its closely related species. Species/charactersPerionyx manebhanjangensis sp. nov.Perionyx alatus Stephenson, 1920Perionyx pallidus Stephenson, 1917Length35–100 mm84 mm80 mmWidth2–3.5 mm3 mm3.25 mmSegments58–110123118Clitellum on segments12, 13–1713–1713–16First dorsal pore3/4 or 4/54/54/5Spermathecal pores6/7/8 ab setal lines6/7/8 de setal lines6/7/8 about cd setal linesDiverticulumpresentpresentabsent (? developing)Prostate glands16,17–20, 2117–1918Penial setaeornamentation as fine spinesornamentation as fine spinesornamentation as fine sculpturingIntestine beginning172017Gizzard in segment556Seminal vesicles in segments11,1211,1211,12Testistestis free in 10,11testis sacs present in 10,11testis free in 10,11Genital markingswhite tumescence between spermathecal pores reaching to the setal line segments 7,8.absentabsent