[Neoselachii] Compagno, 1977 - modern sharks and rays see Cohort Neoselachii Compagno, 1977
   Order Carcharhiniformes Compagno, 1973 - ground sharks
     1 Family Scyliorhinidae Gill, 1862 - cat sharks
     2 Family Proscylliidae Fowler, 1941 - finback catsharks
     3 Family Pseudotriakidae Gill, 1893 [monotypic] - false catsharks
     4 Family Leptochariidae Gray, 1851 [monotypic] - barbeled houndsharks
     5 Family Triakidae Gray, 1851 - houndsharks
     6 Family Hemigaleidae Hasse, 1879 - weasel sharks
     7 Family Carcharhinidae Jordan & Evermann, 1896 - requiem sharks
     8 Family Sphyrnidae Gill, 1872 - hammerhead sharks