Eukaryota  >  Metazoa  >  Echinodermata  >  Echinoidea

Family	Genus	Species
Apatopygidae	1	1
Arachnoididae	1	1
Arbaciidae	5	15
Aspidodiadematidae	2	5
Astriclypeidae	3	3
Brissidae	6	38
Calymnidae	1	1
Carnarechinidae	1	1
Cassidulidae	2	2
Cidaridae	15	84
Clypeasteridae	3	15
Ctenocidaridae	4	4
Dendrasteridae	1	1
Diadematidae	5	49
Echinarachniidae	1	1
Echinidae	8	42
Echinolampadidae	2	2
Echinometridae	8	73
Echinoneidae	2	3
Echinothuriidae	5	58
Eupatagidae	1	1
Eurypatagidae	3	3
Fibulariidae	3	5
Genocidaridae	1	1
Histocidaridae	1	4
Kamptosomatidae	1	2
Laganidae	3	5
Loveniidae	3	18
Maretiidae	1	1
Mellitidae	5	47
Micropygidae	1	1
Paleopneustidae	1	1
Paleostomatidae	1	0
Parechinidae	1	1
Pedinidae	1	13
Pericosmidae	1	1
Phormosomatidae	1	1
Phymosomatidae	1	1
Plexechinidae	1	1
Pourtalesiidae	7	17
Psychocidaridae	2	1
Rotulidae	1	1
Saleniidae	3	5
Schizasteridae	11	22
Scutellidae	1	1
Spatangidae	1	5
Stomechinidae	1	2
Strongylocentrotidae	4	17
Taiwanasteridae	1	1
Temnopleuridae	9	35
Toxopneustidae	5	160
Trigonocidaridae	1	1
Urechinidae	3	3