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Tree depicting hypothesized evolutionary relationships among the groups included in this book. Based on Dunn et al. (2008) and the Tree of Life Web Project (
Vertebrates, which are not covered by this book, consist of: Mammals, Amphibians, Reptiles, Birds, and Fishes.
*Bristle Worms (Polychaetes) Include:
Lugworms, Bamboo Worms, Parchment Worms, Limy Tube Worms, Feather Duster Worms, Mason Worms, Mud Worms, Trumpet Worms, Clam Worms, Shingle Tube Worms, Plumed Worms, Soda Straw Worms, Thread Worms…

**True Bugs (Hemipterans) Include:
Water Striders, Water Treaders, Velvet Water Bugs; Giant Water Bugs, Waterscorpions, Water Boatmen, Water Measurers, Backswimmers, Creeping Water Bugs, Toad Bugs; Shore Bugs; Assassin Bugs, Plant Bugs, Damsel Bugs, Lace Bugs, Bed Bugs; Stink Bugs, Seed Bugs, Leaf-Footed Bugs, Stilt Bugs…