Metridioidea

Aiptasiidae is a family of sea anemones, comprising the following genera:

Sagartiidae is a family of sea anemones.

Aliciidae is a family of sea anemones, comprising the following genera: Alicia Johnson, 1861 Cradactis McMurrich, 1893 Lebrunia Duchassaing de Fonbressin & Michelotti, 1860 Phyllodiscus Kwietniewski, 1897 Triactis Klunzinger, 1877

Acontiophoridae is a family of sea anemones.

Metridiidae is a family of sea anemones in the order Actiniaria.

Halcampidae is a family of sea anemones. Members of this family usually live with their column buried in sand or other soft substrates.

Gonactiniidae is a family of anthozoans in the order Actinaria.

Boloceroididae is a family of sea anemones. It has a cosmopolitan distribution in tropical and temperate oceans.

Isanthidae is a small family of sea anemones in the class Anthozoa.

Bathyphelliidae is a family of sea anemones.

Metridioidea is a superfamily of sea anemones in the order Actiniaria. Members of this clade live in shallow subtropical waters worldwide.

Actinoscyphiidae is a family of sea anemones containing two genera, which are:

REDIRECT Diadumene

Andvakiidae is a family of sea anemones.

REDIRECT Nemanthus

Kadosactinidae is a family of sea anemones.

Aiptasiomorphidae is a family of sea anemones.

Sagartiomorphidae is a family of marine sea anemones. This taxonomic family lives in Australia.

Nevadneidae is a family of sea anemones.

Haliactinidae is a family of sea anemones.