Genus Ptilocrinus is a type of crinoid, which is a marine animal that looks like a plant. Synonyms for the term Genus Ptilocrinus include feather star and sea lily. Other related terms include comatulid and stalked crinoid. These animals are echinoderms, meaning they have a five-fold radial symmetry and hard plates on their skin. Feather stars and sea lilies are often found in shallow waters, attached to rocks or coral. They are also important in the study of evolution, as they have been around since the Paleozoic era. Learning about the synonyms and related terms to Genus Ptilocrinus can help deepen your understanding of this fascinating creature.