Animal Diversity 3 - Phylum Annelida, Arthropoda and Echinodermata

Part I - Phylum Annelida

Class Polychaeta (marine worms)

Nereis (with parapodia)

Class Oligochaeta (earth worms)

Class Hirudinea (leeches)

Leech

Part II - Arthropoda

Subphylum Chelicerata (spiders and scorpions)

Tarantula spider

Subphylum Crustacea (Crabs, Lobsters, Barnacles, Isopods, Copepods)

Fiddler Crab

crawfish

Subphylum Uniramia (Class Chilopoda: centipedes; Class Diplopoda: millipedes; Class insecta: insects)

Monarch Butterfly

Wasp

Grasshopper

Part III - Echinodermata (Class Asteroida: Starfish; Class Echinoidea: sand dollars and sea urchins; Class Holothuroidea: sea cucumbers)

Starfish (Asteroidea)

Sea Cucumber (Holothuroidea)

Sea Urchin (Echinoidea)

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