A) Neopilina
B) Nautilus
C) glochidium larva
D) veliger larva
Correct Answer: A
Solution :
Neopilina is connecting link between Annelida and Mollusca. Annelidian characters are presence of trochophore larva, spiral cleavage in eggs, presence of 5-6 pairs of ctenidia, 6 pairs of nephridia, 8 pairs of retracter muscles and two pairs of auricles. Molluscan characters are presence of shell and mantle, presence of flat muscular foot as found in chiton, and soft and dorsoventrally flattened body. Glochidium and Veliger are larval form of molluscs.
You need to login to perform this action.
You will be redirected in
3 sec
