Ulmaridae

genus of cnidarians

The Ulmaridae are a family of jellyfish, which includes the moon jellies, and other jellyfish with unique characteristics like Tiburonia granrojo.

species of cnidarian

Deepstaria is a genus of jellyfish known for their thin, sheet-like bodies. The genus is named after the Deep Star 4000, which collected the holotype of the type species, D. enigmatica.

species of cnidarian

Stygiomedusa gigantea, commonly known as the giant phantom jelly, is the only known species in the monotypic genus of deep sea jellyfish, Stygiomedusa. It is in the Ulmaridae family. With only around 118 sightings in 110 years, it is a jellyfish that is rarely seen, but believed to be widespread throughout the world, with the exception of the Arctic Ocean.

species of cnidarian

Discomedusa is a genus of jellyfish in the family Ulmaridae.

Ulmaris is a genus of jellyfish in the family Ulmaridae.

Diplulmaris is a genus of jellyfish in the family Ulmaridae that contains two species, Diplulmaris antarctica and Diplulmaris malayensis. It lives in the deep water of southwest Atlantic and southern oceans in pelagic and polar marine environments. Its depth ranges from 0 meters at the surface to around 500 meters. It is 4.2 cm wide.

Poralia is a genus of jellyfish in the family Ulmaridae. It is a monotypic genus containing a single species, Poralia rufescens. This jellyfish is pelagic, and is found in deep water in most of the world's oceans.