[Neoselachii] Compagno, 1977 - modern sharks and rays see Cohort Neoselachii Compagno, 1977 Order Carcharhiniformes Compagno, 1973 - ground sharks Family Hemigaleidae Hasse, 1879 - weasel sharks Genus Paragaleus Budker, 1935 Paragaleus tengi (Chen, 1963) - straight-tooth weasel shark