But that's too wide: http://en.wikipedia.org/wiki/Malacostraca http://en.wikipedia.org/wiki/Malacostraca (shrimp, crabs, lobster!) "Insect" is acceptable for t

But that's too wide: http://en.wikipedia.org/wiki/Malacostraca http://en.wikipedia.org/wiki/Malacostraca (shrimp, crabs, lobster!) "Insect" is acceptable for those willing to be a little loose for the sake of this sort of discussion. "Bug" is better.