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Definition
| All marine animals, no freshwater or land repersentitives. Water Vascular System. |
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Term
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Definition
| In phylum Echinodermata. Pentaradial symmetry, tube feet with suckers, and appenges arranged around a central mouth-disk. |
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Definition
| Oral side has mouth and aboral has Madreporite. |
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Definition
| Echinodermata. Sea Urchins. Disk shaped with no arms, compact skeleton. Movable spines. Tube feet with suckers. |
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Definition
Phylum Echinodermata. Pseudo-pentaradial symmetry. Spines absent. Tube feet with tentacles and suckers. |
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Definition
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Definition
| Subphylum to arthropoda, extinct. |
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Definition
| Subphylum in Arthropoda. Contains class Merostomata(Horeshoe Crabs) and Arachnida(spiders, scorpions, and mites). |
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Term
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Definition
Subphylum to Arthropoda. Contains crayfish, shrimp, lobsters, and crabs.
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Term
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Definition
| Subphylum to arthropoda containing millipedes and centipedes. |
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