thumb|300x300px|Sucocystis theronensis from the Middle Cambrian of Couloma, Hérault, France. Max Rouger Collection. Cincta is an extinct class of echinoderms that lived only in the Middle Cambrian epoch. Homostelea is a junior synonym. The classification of cinctans is controversial, but they are probably part of the echinoderm stem group.
thumb|300x300px|Sucocystis theronensis from the Middle Cambrian of Couloma, Hérault, France. Max Rouger Collection. Cincta is an extinct class of echinoderms that lived only in the Middle Cambrian epoch. Homostelea is a junior synonym. The classification of cinctans is controversial, but they are probably part of the echinoderm stem group.
Cinctans were sessile, asymmetrical animals with a skeleton made of stereom plates and a racquet-shaped body composed of a theca and stele. They may have had a lifestyle similar to modern tunicates, filter-feeding by pumping water through gill slits in their pharynx.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).