Eric Walker added Peracarida to Eumalacostraca, and added Eumalacostraca to Malacostraca

Eric Walker added Eurytheneidae and Amphipoda - Wikipedia and Thirty-six Thousand Feet Under the Sea | The New Yorker to Amphipoda, and added Amphipoda to Peracarida

Eric Walker added Amphipoda to Peracarida, and added Peracarida to Eumalacostraca