Which of the following is commonly called 'Pearl oyster

Options

A. Limulus
B. Pinctada
C. Dentalium
D. Chaetopleura

Answer

To determine which of the following is commonly called 'Pearl oyster', we will analyze each option provided:

1. **Limulus**: This organism is commonly known as King Crab and belongs to the phylum Arthropoda. Therefore, this option is incorrect.

2. **Pinktada**: This is the organism we are looking for. Pinktada is commonly known as Pearl Oyster and belongs to the phylum Mollusca. This option is correct.

3. **Dentalium**: This organism is commonly referred to as Tusk Shell and also belongs to the phylum Mollusca. Hence, this option is incorrect.

4. **Catopleura**: This is a genus of chitons and belongs to the phylum Mollusca. Therefore, this option is also incorrect.

Based on the analysis, the correct answer is **B. Pinktada**.