Phylum Phoronida comprises a small group of marine animals that are characterized by a long, tubular body and tentacle-bearing feeding structure. This phylum is also known by other names such as Phoronids, Horsehair Worms, and Horseshoe Worms. The name "Phoronida" comes from the Greek word "phoron," which means "a kind of basket" that describes the shape of this animal's body. Other synonyms for Phylum Phoronida include Gephyraria and Phyllum Affinis. Phoronids are found in both shallow and deep sea environments and play important roles in the marine ecosystem. Their unique body structure and feeding habits make them fascinating creatures to study.