SUB-PHYLUM ARTHROPODA (of the Phylum Appendiculata).
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6" by Various
In the classification of the Animal Kingdom, the Crustacea form one of the divisions of a comprehensive group, or Phylum, known as Arthropoda.
"The Life of Crustacea" by William Thomas Calman
Acronyms in column 1 indicate kingdom and phylum the organisms belong to: AA - Animalia Arthropoda; AB - Actinum Bacteria; AC - Animalia Chordata; AN - Animalia Nematoda; FA - Funghi Ascomycota; PB - Bacteria Proteo; PM - Plantae Magnoliophyta.
Protein Interaction Networks are Fragile against Random Attacks and Robust against Malicious Attacks