3 Arthropod classes today are distinguished by unique patterns of loss, fusion, and elaboration of tagmata
a) Insecta, Arachnida, Crustacea
b) Insecta, Myriapoda, Arachnida
c) Insecta, Crustacea, Chilopoda
d) Insecta, Malacostraca, Arachnida