Classes of Invertebrate Phyla

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Can you name the Classes of Invertebrate Phyla?

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

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