Animal Diversity

• Mollusca

  • Gastropods

  • Bolivia

  • Polyplacophora

  • Cephalopoda

• Echinodermata

  • Asteroidea

  • Echinoidea

  • Holothuroidea

• Nematoda

• Brachiopoda

  • articulata

  • inarticulate

• Porifera

  • Totipotent/Sponge

• Platyhelminthes

  • Neodermata

• Chordata

  • Cepholochordata

  • Urochordata

  • Vertebrata

• Cnidaria

  • Anthozoa

  • Medusozoa

• Annelida

  • Errantia

  • Sedentaria

• Arthropoda

  • Chelicerata

  • Myriapoda

  • Pancrustacea

  • Hexapoda

Mollusca:

• Muscular foot

• mantle

• radula

• visceral mass

  • Gastropods

  • Bolivia

  • Polyplacophora

  • Cephalopoda

Echinodermata:

• H20 Vascular system

• Tube Feet

• Radial system 5/ panteradial

• Larvae bilateral system

  • Asteroidea

  • Echinoidea

  • Holothuroidea

Nematoda:

• Round worms

• Pseudocoelomate

  • Mesoderm don’t cover the gut

  • covered body w/ cuticle

  • periodically sheds cuticle to grow

  • flexible body

Brachiopoda:

• Lophophore & no trochophore larve

• attached to the sea floor

• lamp shells

inarticulata:

• Complete gut

  • mouth

  • intestinal tract

  • anus

• small or no hinge

  • lingula

    Articlata:

    • large robust hinge

    • incomplete gut

      • no place for waste

      • intestine protrudes out of the back of the shell

    Porifera

  • Totipotent/sponge

  • Two cell layer - no true tissue layer

  • Middle region

    • porocytes

    • mesohyl

      • asymmetrical growth