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  Animalia
    Bilateria
     Deuterostomia
      Echinodermata
             [Eleutherozoa]
             [Pelmatoza]
             [Pelmatozoa]
        Asterozoa
               [Stelleroidea]
            Asteroidea
                  Forcipulatacea
                    Brisingida
                           [Brisingina]
                           [Euclasteroidea]
                            Freyellidae
                                     Astrocles
                                             Astrocles actinodetus
                                             Astrocles djakonovi
                                             Astrocles japonicus
                                     Belgicella
                                             Belgicella racowitzana
                                     Colpaster
                                             Colpaster edwardsi
                                                   [Brisinga edwardsi]
                                                   [Freyella edwardsi]
                                             Colpaster scutigerula
                                     Freyastera
                                             Freyastera benthophila
                                                   [Freyella benthophila]
                                                   [Freyellidea benthophila]
                                             Freyastera digitata
                                             Freyastera mexicana
                                                   [Freyella mexicana]
                                             Freyastera mortenseni
                                             Freyastera sexradiata
                                                   [Freyella sexradiata]
                                             Freyastera tuberculata
                                                   [Freyella tuberculata]
                                                   [Freyellidea tuberculata]
                                     Freyella
                                           [Freyellidea]
                                             Freyella attenuata
                                             Freyella breviispina
                                                   [Freyellidea breviispina]
                                             Freyella dimorpha
                                             Freyella drygalskii
                                                   [Freyellidea drygalskii]
                                             Freyella echinata
                                             Freyella elegans
                                                   [Freyella abyssicola]
                                                   [Freyella aspera]
                                                   [Freyella bracteata]
                                                   [Freyella laubieri]
                                                   [Freyella spinosa]
                                             Freyella felleyra
                                             Freyella flabellispina
                                             Freyella formosa
                                             Freyella fragilissima
                                             Freyella giardi
                                             Freyella heroina
                                             Freyella hexactis
                                             Freyella indica
                                             Freyella insignis
                                             Freyella kurilokamchatica
                                             Freyella loricata
                                             Freyella macropedicellaria
                                             Freyella microplax
                                                   [Freyellidea microplax]
                                             Freyella microspina
                                                   [Freyella trispinosa]
                                             Freyella mortenseni
                                             Freyella mutabilia
                                             Freyella octoradiata
                                                   [Freyellidea octoradiata]
                                             Freyella oligobrachia
                                                   [Freyellidea oligobrachia]
                                               Freyella oligobrachia oligobrachia
                                               Freyella oligobrachia polyspina
                                             Freyella pacifica
                                             Freyella pennata
                                             Freyella propinqua
                                             Freyella recta
                                             Freyella remex
                                             Freyella vitjazi
                                     Freyellaster
                                             Freyellaster fecundus
                                                   [Freyella fecunda]
                                             Freyellaster intermedius
                                             Freyellaster polycnema
                                                   [Freyella polycnema]
                                             Freyellaster scalaris
                                                   [Freyella scalaris]
                                             Freyellaster spatulifer
                                                   [Freyella spatulifer]