FIGURE 7.28
The structurally simplest and most primitive crustaceans, like this planktoniccopepod, tend to be small and have appendages that are similar to each other, that is, less specialized.One exception here is the first antenna, which is specialized for swimming (also see Figs. 15.6 and15.7). All appendages are paired, but the ventral view above shows only those on one side