Evolution of the Muscular System
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Mollusca- Thomann
Octopus
Squids
Oysters
Porifera- Thomann
Demosponge
Red Boring Sponge
Sea Squirt
Cnidaria- Thomann
Box Jellyfish
Maroon Anemone
Lesser Starlet Coral
Platyhelminthes- Cruise
Pork Tapeworms
Divided Flatworm
Blue Flatworm
Nematoda- Cruise
The Worm
Hook Worm
Pine Wood Nematode
Annelida- Fernandez
Earthworms
Polychaete Worms
Leeches
Arthropoda- Fernandez
Bumblebees
Wasps
Spiders
Echinodermata-Regeiro
Starfish
Sea Urchin
Sea cucumber
Chordata-Regeiro
Humans
Goldfish
Komodo Dragon
The Phylum cnidaria
This phylum is composed of 10,000 animals mostly found in marine habitats. They include jellyfish, corals and other stingers. There are four major groups of Cnidarians: 1)Anthozoa 2)Cubozoa 3)Hydrozoa and 4) Scyphozoa.