Periphyllidae

species of cnidarian

Periphyllidae is a family of jellyfish containing four genera and six species. The most well-known member of the family, Periphylla periphylla, is usually considered a deep-sea species, but it forms large blooms in surface waters of Norwegian fjords.

Periphyllopsis is a genus of deep-sea crown jellyfish in the family Periphyllidae.

species of cnidarian