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Base of the evolutionary tree for brittlestars (Ophiuroidea)

brittlestars (Ophiuroidea) (2166 species)
- brittlestars (Ophiurida) → (1968 species)
  - unnamed group 831294 → (1901 species)
    - Gnathophiurina → (874 species)
      - unnamed group 832428 → (767 species)
      - Ophiocomidae → (89 species)
      - Amphilepididae → (13 species)
      - Ophionereididae → (5 species)
    - Ophiuridae → (352 species)
      - Ophiurinae → (287 species)
      - Ophiogona → (2 species)
      - Ophioleucinae → (21 species)
      - Ophiomisidium → (8 species)
      - Ophiochytra → (2 species)
      - Ophiuroglypha → (6 species)
      - Astrophiura → (9 species)
      - Ophiambix → (4 species)
      - Ophiopyrgus → (9 species)
      - Ophiocrossota multispina
      - Spinophiura jolliveti
      - Ophioperla koehleri
      - Euvondrea floretta
    - Ophiacanthidae → (325 species)
      - Ophiacantha → (133 species)
      - Ophiotoma → (8 species)
      - Ophiopristis → (9 species)
      - Ophiomitrella → (24 species)
      - Ophiochondrus → (7 species)
      - Ophiomitra → (11 species)
      - Ophiocamax → (11 species)
      - Ophiothamnus → (10 species)
      - Ophiolebes → (14 species)
      - Ophiomoeris → (4 species)
      - Ophialcaea → (2 species)
      - Ophiotreta → (13 species)
      - Ophiopthalmus → (2 species)
      - Ophiacanthella → (2 species)
      - Ophiurothamnus → (6 species)
      - Ophientrema → (2 species)
      - Ophiophthalmus → (2 species)
      - Ophiolimna → (10 species)
      - Ophiohamus → (2 species)
      - Ophiosemnotes → (5 species)
      - Ophioplinthaca → (31 species)
      - Ophioripa → (2 species)
      - Ophiocopa spatula
      - Ophioparva blochi
      - Ophiodelos insignis
      - Ophiogema punctata
      - Ophienigma spinilimbatum
      - Ophiolamina eprae
      - Brezinacantha tolis
      - Ophiochondrella squamosa
      - Ophiodictys pectorale
      - Ophiomedea duplicata
      - Ophiothamnius vicarius
      - Ophiosparte gigas
      - Ioophiopteron elegans
      - Ophiodaces inanis
      - Microphiura decipiens
    - Hemieuryalidae → (5 species)
    - Ophiohelidae → (19 species)
      - Ophiomyces → (9 species)
      - Ophiohelus → (3 species)
      - Ophiotholia → (6 species)
      - Ophiothauma heptactis
    - Ophiolepidina → (175 species)
      - Ophiolepis → (28 species)
      - Ophioceres → (4 species)
      - Ophiocypris → (2 species)
      - Ophiozonoida → (6 species)
      - Ophiolipus → (3 species)
      - Ophiozonella → (30 species)
      - Ophiomidas → (4 species)
      - Ophiomusium → (62 species)
      - Anophiura → (3 species)
      - Aspidophiura → (7 species)
      - Ophiomaria → (2 species)
      - Ophiosphalma → (10 species)
      - Ophiotrochus → (2 species)
      - Ophioplocus → (7 species)
      - Ophioteichus → (3 species)
      - Actinozonella texturata
      - Ophiothyreus goesi
    - unnamed group 831297 → (151 species)
      - Ophiodermatina → (131 species)
      - Ophiomyxa → (20 species)
  - Ophiolycus → (3 species)
    - Ophiolycus nutrix
    - Ophiolycus purpureus
    - Ophiolycus dentatus
  - Ophioscolex → (8 species)
    - Ophioscolex corynetes
    - Ophioscolex glacialis
    - Ophioscolex disacanthus
    - Ophioscolex marionis
    - Ophioscolex pertinax
    - Ophioscolex tropicus
    - Ophioscolex inermis
    - Ophioscolex serratus
  - Ophiogeron → (2 species)
    - Ophiogeron granulatus
    - Ophiogeron edentulus
  - Neoplax → (2 species)
    - Neoplax ophiodes
    - Neoplax crassipes
  - Ophiobrachion → (2 species)
    - Ophiobrachion hamispinum
    - Ophiobrachion uncinatus
  - Ophiobyrsella → (2 species)
    - Ophiobyrsella erinaceus
    - Ophiobyrsella serpens
  - Ophiocanops → (3 species)
    - Ophiocanops multispina
    - Ophiocanops fugiens
    - Ophiocanops felli
  - Ophiologimus → (5 species)
    - Ophiologimus quadrispinus
    - Ophiologimus prolifer
    - Ophiologimus farquhari
    - Ophiologimus secundus
    - Ophiologimus hexactis
  - Ophiocymbium → (5 species)
    - Ophiocymbium cavernosum
    - Ophiocymbium tanyae
    - Ophiocymbium rarispinum
    - Ophiocymbium antarcticus
    - Ophiocymbium ninae
  - Ophioleptoplax → (3 species)
    - Ophioleptoplax atlantica
    - Ophioleptoplax megapora
    - Ophioleptoplax brasiliana
  - Ophiobyrsa → (7 species)
    - Ophiobyrsa synaptacantha
    - Ophiobyrsa strictima
    - Ophiobyrsa compensata
    - Ophiobyrsa intorta
    - Ophiobyrsa acanthinobrachia
    - Ophiobyrsa rudis
    - Ophiobyrsa perrieri
  - Ophioprium → (2 species)
    - Ophioprium permixta
    - Ophioprium cervicornis
  - Astrogymnotes → (5 species)
    - Astrogymnotes thomasinae
    - Astrogymnotes oharai
    - Astrogymnotes catasticta
    - Astrogymnotes hamishia
    - Astrogymnotes irimurai
  - Ophiophrura → (3 species)
    - Ophiophrura liodisca
    - Ophiophrura imperfecta
    - Ophiophrura tripapillata
  - Ophiophrixus → (4 species)
    - Ophiophrixus quadrispinosus
    - Ophiophrixus spinosus
    - Ophiophrixus confinis
    - Ophiophrixus acanthinus
  - Ophiostyracium trachyacanthum
  - Ophiosyzygus disacanthus
  - Ophiorupta discrepans
  - Ophioblenna antillensis
  - Ophiohymen gymnodiscus
  - Ophiohyalus gotoi
  - Ophiosmilax mirabilis
  - Ophiomora elegans
  - Ophiostiba hidekii
  - Ophiosciasma attenuatum
  - Ophioplexa condita
- basket stars (Euryalida) → (198 species)
  - Asteroschematidae → (52 species)
    - Asteroschema → (33 species)
    - Ophiocreas → (13 species)
    - Astrocharis → (3 species)
    - Squamophis → (3 species)
  - Astrothamnus → (2 species)
    - Astrothamnus echinaceus
    - Astrothamnus mindanaensis
  - unnamed group 831149 → (25 species)
    - Asteronychidae → (15 species)
      - Asteronyx → (6 species)
      - Astrodia → (4 species)
      - Astrobrachion → (2 species)
      - Ophioschiza monacantha
      - Lillithaster lamentatiofelium
      - Astronebris tatafilius
    - Gorgonocephalus → (10 species)
  - Astrochele → (3 species)
    - Astrochele laevis
    - Astrochele lymani
    - Astrochele pacifica
  - Astrocyclus → (2 species)
    - Astrocyclus caecilia
    - Astrocyclus somaliensis
  - Astrocrius → (3 species)
    - Astrocrius sobrinus
    - Astrocrius murrayi
    - Astrocrius parens
  - Astrothrombus → (4 species)
    - Astrothrombus rigens
    - Astrothrombus vecors
    - Astrothrombus chrysanthi
    - Astrothrombus rugosus
  - Astrocaneum → (2 species)
    - Astrocaneum spinosum
    - Astrocaneum herrerai
  - Astrosierra → (3 species)
    - Astrosierra microconus
    - Astrosierra densus
    - Astrosierra amblyconus
  - Astrotoma → (4 species)
    - Astrotoma deficiens
    - Astrotoma drachi
    - Astrotoma agassizii
    - Astrotoma manilense
  - Astrocladus → (12 species)
    - Astrocladus exiguus
    - Astrocladus euryale
    - Astrocladus pardalis
    - Astrocladus tonganus
    - Astrocladus coniferus
    - Astrocladus hirtus
    - Astrocladus annulatus
    - Astrocladus africanus
    - Astrocladus dofleini
    - Astrocladus ludwigi
    - Astrocladus socotrana
    - Astrocladus goodingi
  - Astroclon → (2 species)
    - Astroclon propugnatoris
    - Astroclon suensoni
  - Asteroporpa → (11 species)
    - Astrohelix → (2 species)
      - Asteroporpa paucidens
      - Asteroporpa bellator
    - Asteroporpa annulata
    - Asteroporpa hadracantha
    - Asteroporpa australiensis
    - Asteroporpa reticulata
    - Asteroporpa muricatopatella
    - Asteroporpa koyoae
    - Asteroporpa pulchra
    - Asteroporpa indicus
    - Asteroporpa lindneri
  - Astrochlamys → (2 species)
    - Astrochlamys sol
    - Astrochlamys bruneus
  - Astroboa → (9 species)
    - Astroboa arctos
    - Astroboa tuberculosa
    - Astroboa clavata
    - Naked Basket Star (Astroboa nuda)
    - Astroboa albatrossi
    - Astroboa granulatus
    - Astroboa globifera
    - Astroboa ernae
    - Astroboa nigrofurcata
  - basketstars (Euryalidae) → (30 species)
    - Trichaster → (5 species)
    - Sthenocephalus → (2 species)
      - Sthenocephalus anopla
      - Sthenocephalus indicus
    - Asterostegus → (3 species)
    - Euryale → (2 species)
      - Euryale aspera
      - Euryale purpurea
    - Asteromorpha → (4 species)
    - Astroceras → (14 species)
  - Astrodendrum → (7 species)
    - Astrodendrum laevigatum
    - Astrodendrum spinolosum
    - Astrodendrum capensis
    - Astrodendrum galapagensis
    - Astrodendrum spinulosum
    - Astrodendrum sagaminum
    - Astrodendrum elingamita
  - Astrochalcis → (2 species)
    - Astrochalcis micropus
    - Astrochalcis tuberculosus
  - Astroglymma → (2 species)
    - Astroglymma sculptum
    - Astroglymma spinosum
  - Astrogomphus → (2 species)
    - Astrogomphus vallatus
    - Astrogomphus rudis
  - Astrothorax → (5 species)
    - Astrothorax waitei
    - Astrothorax balinensis
    - Astrothorax misakiensis
    - Astrothorax liberator
    - Astrothorax tesselata
  - Astrozona munita
  - Astroplegma expansum
  - Astrohamma tuberculatum
  - Astracme mucronata
  - Astrospartus mediterraneus
  - Astroniwa nukurangi
  - Giant Basket Star (Astrophyton muricatum)
  - Astrocnida isidis
  - Ophiocrene aenigma
  - Astrodictyum panamense
  - Astrogordius cacaoticus
  - Conocladus australis
  - Schizostella bifurcata
  - Ophiozeta turgida

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