Eukaryota  >  Metazoa  >  Chordata  >  Chondrichthyes

Family	Genus	Species
Alopiidae	5	10
Anacanthobatidae	2	2
Arhynchobatidae	12	82
Brachaeluridae	1	2
Callorhinchidae	1	4
Carcharhinidae	13	120
Centrophoridae	2	43
Chimaeridae	2	53
Chlamydoselachidae	1	1
Dalatiidae	5	8
Dasyatidae	18	217
Dichichthyidae	1	1
Echinorhinidae	1	6
Etmopteridae	4	73
Ginglymostomatidae	3	4
Glaucostegidae	1	24
Gurgesiellidae	2	6
Gymnuridae	2	35
Hemigaleidae	4	8
Hemiscylliidae	2	20
Heterodontidae	1	11
Hexanchidae	3	4
Hexatrygonidae	1	2
Hypnidae	1	1
Leptochariidae	1	1
Megachasmidae	1	1
Mitsukurinidae	1	1
Myliobatidae	6	70
Narcinidae	5	35
Narkidae	2	5
Odontaspididae	2	3
Orectolobidae	3	31
Oxynotidae	1	3
Parascylliidae	2	5
Platyrhinidae	2	5
Plesiobatidae	1	1
Potamotrygonidae	5	195
Pristidae	2	7
Pristiophoridae	2	7
Proscylliidae	4	8
Pseudocarchariidae	1	1
Pseudotriakidae	2	2
Rajidae	16	148
Rhincodontidae	1	1
Rhinidae	1	1
Rhinobatidae	6	53
Rhinochimaeridae	3	7
Rhynchobatidae	1	45
Scyliorhinidae	16	149
Somniosidae	7	13
Sphyrnidae	1	2
Squalidae	2	82
Squatinidae	1	28
Stegostomatidae	1	1
Torpedinidae	2	20
Triakidae	8	77
Urolophidae	2	23
Urotrygonidae	2	12
Zanobatidae	1	1