Classes of Invertebrate Phyla

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Can you name the Classes of Invertebrate Phyla?

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Arthropoda - extinct
Hemichordates - colonial
Platyhelminthes - free living
Echinodermata - Urchins
Mollusca - tusk shaped shells. Lack Ctenidia and Osphradia
Cnidaria - Stalked Jellies
Arthropoda - Mandibulata (Insects)
Chordates - sea squirts
Brachiopoda (hinged shell)
Nemertea - Probosis with Stylet
Arthropoda - Chelicerata (horse shoe Crabs)
Hemichordates - peanut worms
Arthropoda - Mandibulata (crabs/lobsters)
Rotifera - One Ovary
Echinodermata - Sea lillies
Annelida - Hermaphroditic. Clitellum for sperm transfer
Platyhelminthes - tapeworms
Annelida - parapodia for movment/gas exchange. Lethal Spawning events
Arthropoda - Chelicerata (spiders)
Mollusca - 3-6 pairs of ctenidia, 6-7 pairs of nephridia
Echinodermata - Sea Stars
Cnidaria - Anenomes
Ctenophora - 2 tentacles
Echinodermata - Basket stars
Brachiopoda (non-hinged shell)
Annelida - degenerate. Loss of segmentation
Cndaria - True Jellies
Mollusca - snails. have operculum
Mollusca - vermiform shape
Echinodermata - Sea Cucumbers
Platyhelminthes - Ectoparasites
Mollusca - 7 to 8 plates in mantle
Mollusca - squid
Ctenophora - No tentacles
Rotifera - Marine symbionts
Arthropoda - Chelicerata (sea spiders)
Rotifera - Asexual
Mollusca - lack radula. Clams
Porifera - CaCo3 spicules
Nemertea - No stylet on Probosis
Platyhelminthes - Complex Life cycle/multiple hosts
Annelida -formerly own Phyla. U-shaped gut
Cnidaria - Hydroids
Porifera - Freshwater and Marine
Chordates - Amphioxus
Porifera - 6-rayed Spicules
Cnidaria - Box Jellies

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Created Dec 8, 2010ReportNominate
Tags:class, invertebrate, phyla