The Nervous Systems of the 9 Phylums
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Cahill
Mollusca
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Sepia latimanus
Enteroctopus dofleini
Mesonychoteuthis hamiltoni
Cnidaria
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Tubastrea coccinea
Nemopilema nomurai
Physalia physalis
Porifera
Arias
Arthropoda
>
Caelifera (Grasshopper)
Araneae (Spider)
Brachyura (Crabs)
Echinodermata
>
Asteroidea (Starfish)
Echinoidea (Sea Urchin)
Holothuroidea (Sea Cucumber)
Lopez
Platyhelminthes
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Trematoda
Cestoda
Turbellaria
Annelida
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Proboscis Worm
Earthworms
Leeches
Goris
Nematoda
Chordata
Echinodermata
Echinoderms are a kind of phylum comprised of marine animals. Adult echinoderms can be recognized by their radial symmetry and include animals like the starfish, sea urchin, and the sea cucumber.