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Nonnative Mollusks

Common Name Scientific Name First Observed Introduction Status

Giant African Land Snail

Achatina fulica

Reported

Banded Caracol

Caracolus marginella

Reported

Chinese Mysterysnail

Cipangopaludina chinensis

Reported

Asian Clam

Corbicula fluminea

Reported

Quagga Mussel

Dreissena bugensis

Reported

Zebra Mussel

Dreissena polymorpha

Reported

Giant Coxcomb Oyster

Hyotissa hyotis

Reported

Giant Ramshorn Snail

Marisa cornuarietis

Reported

Titan Acorn Barnacle

Megabalanus coccopoma

Reported

Red-rim Melania

Melanoides tuberculatus

Reported

Charru Mussel

Mytella charruana

Reported

Green Mussel

Perna viridis

Extirpated

Channeled Applesnail

Pomacea canaliculata

Reported

Spiketop Applesnail

Pomacea diffusa

Reported

Titan Applesnail

Pomacea haustrum

Reported

Island Applesnail

Pomacea maculata

Reported

New Zealand Mud Snail

Potamopyrgus antipodarum

Reported

Banded Mysterysnail

Viviparus georgianus

Reported