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10 Cards in this Set

  • Front
  • Back

Features of Echinodormata Phylum?

• Marine • Free living• Bottom dwellers•Pentamerous radial symmetry• Ossicles•Water vascular system•Tube feet•Pedicellaria

Features of the Asteroidea class?

• Sea stars • 5 arms • Tube feet • Eversible stomach

Name this?

Ochre star

Name this?

Bat Star

Features of the Ophiurodia?

• Brittle stars • 5 thin arms • Tube feet reduced • Use arms to move

Name this?

Brittle Star

Features of the Echinodia?

• Sea Urchins and Sand Dollars • Movable spines • Ossicles fused into test • Aristotle’s lantern

Name this?

Purple Urchin

Name this?

Sand Dollars

Features of the Holothuroidea class?

• Sea Cucumbers• Elongated• Ossicles microscopic• Can evercerate