To determine the correct answer to the question regarding the common name for the members of Chlorophyceae, we need to understand what Chlorophyceae refers to in the context of algal classification. Here's the explanation:

1. Understanding Chlorophyceae:
   • Chlorophyceae is a class of green algae. These are a large group of algae belonging to the green plants.
   • The term "Chlorophyceae" is derived from the Greek words "chloros" meaning "green" and "phyceae" meaning "algae".
2. Classification of Algae:
   • Green Algae: These consist of the Chlorophyceae class and are characterized by their green color due to the presence of chlorophyll a and b.
   • Brown Algae: These belong to the class Phaeophyceae and have a distinct brown color due to the presence of fucoxanthin pigment.
   • Red Algae: Belonging to the class Rhodophyceae, these have a reddish color due to the presence of phycoerythrin.
   • Blue Algae: Commonly referred to as cyanobacteria, these are not classified under Chlorophyceae.
3. Answer Justification:
   • Given the classification, members of the class Chlorophyceae are indeed commonly called Green Algae.
   • This is because they contain chlorophyll which gives them their characteristic green color.
4. Exclusion of Other Options:
   • Brown Algae: Incorrect as these belong to Phaeophyceae.
   • Red Algae: Incorrect as these belong to Rhodophyceae.
   • Blue Algae: Incorrect term as it generally refers to cyanobacteria, not Chlorophyceae.

With the information provided, the correct answer is: Green Algae.