Gymnopleura

Gymnopleura

[‚jim·nə′plu̇r·ə]
(invertebrate zoology)
A subsection of brachyuran decapod crustaceans including the primitive burrowing crabs with trapezoidal or elongate carapaces, the first pereiopods subchelate, and some or all of the remaining pereiopods flattened and expanded.