Eukaryota  >  Metazoa  >  Echinodermata  >  Crinoidea

Family	Genus	Species
Antedonidae	26	73
Aporometridae	1	3
Asterometridae	2	4
Atelecrinidae	2	3
Bathycrinidae	2	7
Bourgueticrinidae	1	4
Cainocrinidae	1	1
Calometridae	2	2
Catoptometridae	1	2
Charitometridae	5	10
Colobometridae	8	28
Comatulidae	18	69
Eudiocrinidae	1	2
Guillecrinidae	1	1
Himerometridae	5	28
Holopodidae	1	2
Hyocrinidae	9	18
Isocrinidae	4	17
Isselicrinidae	1	3
Mariametridae	3	16
Notocrinidae	1	1
Pentametrocrinidae	2	6
Phrynocrinidae	1	1
Pontiometridae	4	4
Porphyrocrinidae	1	4
Proisocrinidae	1	1
Ptilometridae	1	3
Sclerocrinidae	1	1
Stephanometridae	1	3
Thalassometridae	7	11
Tropiometridae	1	5
Vityazicrinidae	1	1
Zenometridae	2	10