Phylum Arthropoda: crabs, shrimps, barnacles, spiders, insects,... ; marine, freshwater, and terrestrial species; exoskeleton characteristic present in this phylum...
Subphylum Crustacea: crabs, shrimp, barnacles, sea mites, amphipods...
Class Malacostraca: crabs, shrimp
Elassochirus gilli
Hyas lyratus
Idotea wosnesenskii
Maera danae
Class Maxillopoda: barnacles
Subphylum Cheliceriformes: spiders
Class Arachnida

Biology 305 |
SE Alaska |