Latin "crustaceus" (has a shell or crust)

All crustacea have two pairs of antennae on the head. Crustaceans include crabs, woodlice (pill bugs), lobsters, crayfish, and shrimp.


crayfish

wood lice (isopods)

beach fleas (amphipods)

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Freshwater Crayfish
George W. Robinson
© 1999 California Academy of Sciences
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Roly-poly; Pillbug
© 2004 Joyce Gross

 

More information about Molluscs

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Last updated: Nov 21, 2016