Aplanulata is a suborder of Hydrozoa, a class of marine and freshwater invertebrates belonging to the phylum Cnidaria. The group have lost its planula larval stage, and the only remnants of the medusa stage is when they function as gonophores attached to the polyp.
Aplanulata is a suborder of Hydrozoa, a class of marine and freshwater invertebrates belonging to the phylum Cnidaria. The group have lost its planula larval stage, and the only remnants of the medusa stage is when they function as gonophores attached to the polyp.
==Families== According to the World Register of Marine Species, the following families are found in this suborder: Acaulidae Fraser, 1924 Boeromedusidae Bouillon, 1995 Boreohydridae Westblad, 1947 Candelabridae Stechow, 1921 Corymorphidae Allman, 1872 Hydridae Dana, 1846 Margelopsidae Uchida, 1927 Paracorynidae Picard, 1957 Protohydridae Allman, 1888 Tubulariidae Goldfuss, 1818
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).