Key to colors: DOMAIN, KINGDOM,Phylum,Subphylum,Class,Subclass,Order,Family
Links can be any color, but all links are underlined.

ROOT (OVERVIEW) > EUKARYOTA > Opisthokonta > METAZOA > Eumetazoa > Bilateria >

Deuterostomia (Ch. 31)

• Echinodermata (31-III)
  • Pelmatozoa
    • Crinoidea - Feather Stars
  • Eleutherozoa
    • Asterozoa
      • Asteroidea - Starfishes
      • Ophiuroidea - Brittle Stars
    • Echinozoa
      • Echinoidea - Sea Urchins
      • Holothuroidea - Sea Cucumbers
• Hemichordata (31-IV) - Acorn Worms
• Chordata (Ch. 32) >>> (Fishes, Amphibians, Reptiles, Birds, Mammals)