Foraminifers, also known as forams, are single-celled organisms with shells or tests that are commonly found in marine environments. There are several synonyms for foraminifers, such as foraminifera, forams, or foraminiphera. These synonyms are interchangeable and refer to the same group of organisms. Forams are important bioindicators that scientists use to study marine environments, climate change, and evolution. Some other synonyms for foraminifers are rhizopods, pseudopods, or amoeboids, as these organisms use pseudopods, or temporary extensions of their cell membrane, to move and capture food. Foraminifers are fascinating and important organisms in marine biology research and have several synonyms that describe their unique characteristics.