In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct?

Options

A. Pila - Body segamented, mouth with redula - Mollusca
B. Asterias - Spiny skinned, water vascular system - Echinodermata
C. Sycon - Pore bearing, canal system - Porifera
D. Periplaneta - Jointed appendages, chitinous exoskeleton - Arthropoda.

Answer

A