Connecting link between annelida and mollusca is

Options

A. Neopilina
B. Nautilus
C. Glochidium larva
D. Veliger larva

Answer

A

Explanation

Neopillina is a connecting link between annelida and mollusca. Molluscs are not a segmented group and it appeared that neopilina might be an exception and so a potential of missing link between the mollusc and annelida.