Arthropoda

Chelicerata
Merostomata (horseshoe crabs)
Arachnida (spiders, mites, scorpions)
Pycnogonida (sea spiders)
Crustacea
Copepoda (small crustaceans)
Cirripedia (barnacles)
Malacostraca (crabs, lobsters, shrimp)
Uniramia
Insecta (insects)
Chilopoda (centipedes)
Diplopoda (millipedes)
Which of the following statements is correct based on the outline above?
A. Uniramia is a subset of Crustacea.
B. Diplopoda is a subset of Chilopoda.
C. Chelicerata is more closely related to Crustacea than to Uniramia.
D. Pycnogonida is more closely related to Merostomata than to Copepoda.
My answer is D