“…Six species, including H. armata Timofeeva, 1983, H. capricornensis Chisholm & Whitttington, 1996, H. confusa Timofeeva, 1983, H. forcifera Neifar, Euzet & Ben Hassine, 1999, H. granulatae and H. sulamericana have been described with only a single sinuous ridge surmounting the septa. The remaining 13 species have the 1/2/3 sinuous ridge arrangement, which consists of: a single sinuous ridge on the inner and outer ring and three posterior septa; a double sinuous ridge on the two lateral septa; and three sinuous ridges surmounting the three anterior septa (Chisholm & Whittington, 1996) , 1983, H. dasyatis (Yamaguti, 1965) Chisholm, 1995, H. minima (MacCallum, 1916) Price, 1938, H. mokhtarae Neifar, Euzet & Ben Hassine, 1999, H. pastinacae Scott, 1904, H. pseudominima, H. scotti Neifar, Euzet & Ben Hassine, 1998, H. similis Neifar, Euzet & Ben Hassine, 1998, H. striata Neifar, Euzet & Ben Hassine, 1999, H. taeniuropi Cao, Ding, Zhang & Liu, 2010and H. tokoloshei Vaughan & Chisholm, 2010. Vaughan & Chisholm (2010 used the proteolytic digestion technique described by Vaughan et al (2008) to examine the haptor of H. tokoloshei.…”