1. Family Aiptasiidae Carlgren, 1924
2. Family Diadumenidae Stephenson, 1920
3. Family Haliplanellidae Hand, 1956
4. Family Metridiidae Carlgren, 1893
5. Family Sagartiidae Gosse, 1858

marine, brackish, terrestrial

Rodríguez, E.; Fautin, D; Daly, M. (2025). World List of Actiniaria. Metridioidea Carlgren, 1893. Accessed through: Costello, M. J.; Ahyong, S.; Bieler, R.; Boudouresque, C.; Desiderato, A.; Downey, R.; Galil, B. S.; Gollasch, S.; Hutchings, P.; Kamburska, L.; Katsanevakis, S.; Kupriyanova, E.; Lejeusne, C.; Ma, K. C. K.; Marchini, A.; Occhipinti, A.; Pagad, S.; Pino, L.; Poore, G. C. B.; Rewicz, T.; Rius, M.; Robinson, T. B.; Sobczyk, R.; Stepien, A.; Turon, X.; Valls Domedel, G.; Verleye, T.; Vieira, L. M.; Willan, R. C.; Zhan, A. (2025) World Register of Introduced Marine Species (WRiMS) at: https://marinespecies.org/introduced/aphia.php?p=taxdetails&id=854224 on 2025-05-06

Costello, M. J.; Ahyong, S.; Bieler, R.; Boudouresque, C.; Desiderato, A.; Downey, R.; Galil, B. S.; Gollasch, S.; Hutchings, P.; Kamburska, L.; Katsanevakis, S.; Kupriyanova, E.; Lejeusne, C.; Ma, K. C. K.; Marchini, A.; Occhipinti, A.; Pagad, S.; Pino, L.; Poore, G. C. B.; Rewicz, T.; Rius, M.; Robinson, T. B.; Sobczyk, R.; Stępień, A.; Turon, X.; Valls Domedel, G.; Verleye, T.; Vieira, L. M.; Willan, R. C.; Zhan, A. (2025). World Register of Introduced Marine Species (WRiMS). Metridioidea Carlgren, 1893. Accessed at: https://www.marinespecies.org/introduced%20/aphia.php?p=taxdetails&id=854224 on 2025-05-06

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