Lab 8a: Echinoderm Classification

   1. Introduction to the echinoderms (Phylum Echinodermata)

   2. Starfishes (Class Asteroidea)

   3. Sea urchins (Class Echinoidea)

   4. Sand dollars (Class Echinoidea)

   5. Brittle stars and basket stars (Class Ophiuroidea)

   6. Sea cucumbers (Class Holothuroidea)

   7. Sea lilies and feather stars (Class Crinoidea)