Evolution of the Muscular System
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Mollusca- Thomann
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Squids
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Porifera- Thomann
Demosponge
Red Boring Sponge
Sea Squirt
Cnidaria- Thomann
Box Jellyfish
Maroon Anemone
Lesser Starlet Coral
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Pork Tapeworms
Divided Flatworm
Blue Flatworm
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Hook Worm
Pine Wood Nematode
Annelida- Fernandez
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Arthropoda- Fernandez
Bumblebees
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Echinodermata-Regeiro
Starfish
Sea Urchin
Sea cucumber
Chordata-Regeiro
Humans
Goldfish
Komodo Dragon
The Muscular system of the Calcareous Sponge
Calcareous sponges do not have muscular systems.