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  Animalia
    Bilateria
     Deuterostomia
      Echinodermata
             [Eleutherozoa]
             [Pelmatoza]
             [Pelmatozoa]
        Asterozoa
               [Stelleroidea]
            Asteroidea
                  Forcipulatacea
                    Forcipulatida
                           [Asteriadina]
                            Pedicellasteridae
                                     Ampheraster
                                             Ampheraster alaminos
                                             Ampheraster atactus
                                             Ampheraster chiroplus
                                             Ampheraster distichopus
                                             Ampheraster hyperonchus
                                                   [Pedicellaster hyperoncus]
                                             Ampheraster marianus
                                                   [Sporasterias mariana]
                                     Anteliaster
                                             Anteliaster australis
                                             Anteliaster coscinactis
                                               Anteliaster coscinactis coscinactis
                                               Anteliaster coscinactis megatretus
                                             Anteliaster indonesiae
                                             Anteliaster megatretus
                                             Anteliaster microgenys
                                               Anteliaster microgenys microgenys
                                               Anteliaster microgenys nannodes
                                             Anteliaster nannodes
                                             Anteliaster scaber
                                                   [Pedicellaster scaber]
                                     Hydrasterias
                                             Hydrasterias improvisus
                                                   [Pedicellaster improvisus]
                                             Hydrasterias ophidion
                                             Hydrasterias sacculata
                                             Hydrasterias sexradiata
                                                   [Hydrasterias ophiodon]
                                                   [Pedicellaster sexradiatus]
                                             Hydrasterias tasmanica
                                     Pedicellaster
                                             Pedicellaster antarcticus
                                             Pedicellaster atratus
                                             Pedicellaster eximius
                                             Pedicellaster formatus
                                             Pedicellaster hypernotius
                                               Pedicellaster hypernotius antarcticus
                                               Pedicellaster hypernotius formatus
                                               Pedicellaster hypernotius hypernotius
                                             Pedicellaster indistinctus
                                             Pedicellaster magister
                                               Pedicellaster magister magister
                                               Pedicellaster magister megalabis
                                               Pedicellaster magister ochotensis
                                               Pedicellaster magister sagaminus
                                             Pedicellaster orientalis
                                             Pedicellaster pourtalesi
                                             Pedicellaster typicus
                                                   [Asteracanthion palaeocrystallus]
                                                   [Pedicellaster palaeocrystallus]
                                     Peranaster
                                             Peranaster chirophorus
                                                   [Pedicellaster chirophorus]
                                     Tarsaster
                                             Tarsaster alaskanus
                                                   [Tarsaster alaskensis]
                                             Tarsaster cocosanus
                                                   [Sporasterias cocosana]
                                             Tarsaster distichopus
                                             Tarsaster fascicularis
                                                   [Asterias fascicularis]
                                                   [Leptasterias fascicularis]
                                             Tarsaster galapagensis
                                                   [Sporasterias galapagensis]
                                             Tarsaster stoichodes