Phylum:
Porifera
Class:
Demosponge
Key Characteristics:
No true tissues, filter feeders, porous
Photo Credit: uniprot.org
Phylum:
Cnidaria
Class:
Scyphozoa
Key Characteristics:
Radial symmetry, ability to sting, carnivorous
Photo Credit: Clare Fuller
Phylum:
Platyhelmenthes
Class:
Cestoda
Key Characteristics:
Bilateral symmetry, soft body
Photo Credit: David Myers
Phylum:
Nematoda
Class:
Secementea
Key Characteristics:
Complete digestive system, pseudocoelom
Photo Credit: David Myers
Phylum:
Annelida
Class:
Clitellata
Key Characteristics:
Segmented bodies, true coelom
Photo Credit: marietta.edu
Phylum:
Mollusca
Class:
Cephalopod
Key Characteristics:
Circulatory system, complete digestive tract
Photo Credit: David Myers
Phylum:
Arthropoda
Class:
Malacostraca
Key Characteristics:
Exoskeletons, segmented bodies, jointed appendages
Photo Credit: David Myers
Phylum:
Echinodermata
Class:
Asteroidea
Key Characteristics:
Spiny skin, water vascular system, endoskeleton
Photo Credit: David Myers
Phylum:
Chordata
Class:
Mammalia
Key Characteristics:
Dorsal hollow nerve chord, notochord, pharyngeal slits and post-anal tail
Photo Credit: Sharkattackphotos.com