Base of the evolutionary tree for Arthracanthida

← parent

• Arthracanthida (58 species)
  • Sphaenacanthida → (35 species)
    • Dorataspididae → (19 species)
      • Dorataspis → (5 species)
        • Dorataspis micropora
        • Dorataspis choanopora
        • Dorataspis collosa
        • Dorataspis gladiata
        • Dorataspis loricata
      • Larcidium → (2 species)
        • Larcidium dodecanthum
        • Larcidium etroplus
      • Hystrichaspis → (2 species)
        • Hystrichaspis dorsata
        • Hystrichaspis fruticata
      • Pleuraspis → (2 species)
        • Pleuraspis costata
        • Pleuraspis sarmentasa
      • Lychnaspis → (4 species)
        • Lychnaspis serrata
        • Lychnaspis longissma
        • Lychnaspis giltschi
        • Lychnaspis polyancistra
      • Dictyaspis furcata
      • Stauraspis echinoids
      • Icosaspis elegans
      • Phractopelta cruciata
    • Lithoptera → (2 species)
      • Lithoptera fenestrata
      • Lithoptera mulleri
    • Acanthometridae → (7 species)
      • Acanthometra → (3 species)
        • Phyllostaurus siculus
        • Acanthometra pellucida
        • Acanthometra fusca
      • Acanthometron → (3 species)
        • Acanthometron pellucida
        • Acanthometron elastricum
        • Acanthometron astraeforme
      • Amphilonche elongata
    • Diploconus → (2 species)
      • Diploconus fasces
      • Diploconus nitidus
    • Hexalaspididae → (5 species)
      • Hexaconus → (3 species)
        • Hexaconus serratus
        • Phractopelta dorataspis
        • Hexaconus ciliatus
      • Coleaspis → (2 species)
        • Coleaspis vaginata
        • Coleaspis coronata
  • Phyllacantha → (17 species)
    • Phyllostauridae → (15 species)
      • Xiphacantha → (2 species)
        • Xiphacantha alata
        • Xiphacantha quadridentata
      • Phyllostaurus → (3 species)
        • Phyllostaurus claparedi
        • Phyllostaurus cuspidatus
        • Phyllostaurus quadrangulus
      • Amphistaurus → (2 species)
        • Amphistaurus complanatus
        • Amphistaurus tetrapterus
      • Phyllosturus → (2 species)
        • Phyllosturus cuspidatus
        • Phyllosturus siculus
      • Stauracantha orthostaura
      • Lonchostaurus rombicus
      • Zygostauru alata
      • Zygostaurus amphitectus
      • Acanthostaurus pallidus
      • Acanthostaurus purpurascens
    • Dictyacantha tetragonopa
    • Stauracantha quadrifurca
  • Amphilithidae → (4 species)
    • Amphiblone → (2 species)
      • Amphiblone anormala
      • Amphiblone hydrotomica
    • Amphilithium → (2 species)
      • Amphilithium clavarium
      • Amphilithium concretum
  • Pseudolithidae → (2 species)
    • Pseudolithium compressum
    • Haliommatidium muller

Other links

• Encyclopedia of Life
• NCBI (genetics)"
• Open Tree of Life

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