Question

Which pair of molluscs possess captacula?

• A. Dentalium and Pulsellum
• B. Neomenia and Neopilina
• C. Unio and Mytilus
• D. Sepia and Octopus

Answer 1

The correct option is A Dentalium and Pulsellum

Dentalium is a genus of tooth shells or tusk shells, marine scaphopod molluscs belonging to the family Dentaliidae. Pulsellum is a genus of marine molluscs belonging to family Pulsellidae. They have bilateral symmetry. In their body, tentacles are replaced by captacula. Captacula are number of minute tentacles present around the foot. They sift through the sediment and latch onto food. This food they then transport to the mouth.

Thus, the correct answer is option A.