After Parker, 1982 and “the CAS Echinoderm webpage”
<==o Valvatida [incl. Spinulosida in partim] |--o Acanthaster [Acanthasteridae] [treated as spinulosid in Parker (1982)] | |-- A. planci (Crown of Thorns sea star; Orjantappurakruunu) | `-- A. brevispinis |-- Archaster [Archasteridae] |-- Asterinidae [18 genera] [treated as spinulosid in Parker (1982)] |-- Asterodiscididae [3 genera] |-- Asteropsidae [5 genera] |-- Chaetaster [Chaetasteridae] |-- Ganerriidae [9 genera] [treated as spinulosid in Parker (1982)] |-- Goniasteridae [~ 53 genera] |--o Mithrodiidae | |-- Mithrodia | `-- Thromidia |-- Odontasteridae [5 genera] |--o Oreasteridae [19 genera] | |-- Anthenea | |-- Choriaster | |-- Culcita | |-- Nidorellia | |-- Oreaster | |-- Pentaceraster | |-- Pentaster | |-- Protoreaster | |-- Rosaster | `== other 10 oreasterid genera |--o Ophidiasteridae [31 genera] | |-- Fromia | |-- Linckia | |-- Neoferdina | |-- Nardoa | |-- Ceratonardoa | |-- Ophidiaster | |-- Tamaria | |-- Phataria | |-- Pharia | |-- Leiaster | `== other 21 ophidiasterid genera |-- Poraniidae [9 genera] [treated as spinulosid in Parker (1982)] `-- Sphaeraster [Sphaerasteridae]
Reference(s):
- Parker, S. P. (ed.), 1982: Synopsis and classification of living organisms. Vols. 1 & 2
–McGrew-Hill Book Company - Anonymous, 1998: The CAS Echinoderm webpage.
–iNet: California Academy of Sciences: http://www.calacademy.org/research/izg/echinoderm/classify.htm [visited: 2002-5 October]