Cephalodiscida is one of two orders in the class Pterobranchia, which are small, worm-shaped animals. Members belong to the hemichordates. Species in this order are sessile, living in clear water and secrete tubes on the ocean floor.
Cephalodiscida is one of two orders in the class Pterobranchia, which are small, worm-shaped animals. Members belong to the hemichordates. Species in this order are sessile, living in clear water and secrete tubes on the ocean floor.
==Taxonomy== The following taxa are recognised in the order Cephalodiscida: Order Cephalodiscida Fowler, 1892 Family Cephalodiscidae Harmer, 1905 Genus Atubaria Sato, 1936 Genus Cephalodiscus M'Intosh, 1882 Genus †Aellograptus Obut, 1964 Genus †Eocephalodiscus Kozłowski, 1949 Genus †Melanostrophus Öpik, 1930 Genus †Pterobranchites Kozłowski, 1967 Family †Rotaciurcidae Briggs & Koch, 2023 Genus †Rotaciurca Briggs & Koch 2023
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).