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Semaeostomeae
Scientific classification
Kingdom:	Animalia;
Phylum:	Cnidaria;
Class:	Scyphozoa;
Order:	Semaeostomeae; L. Agassiz, 1862
Families
	See text.

Semaeostomeae (literally "flag mouth") is an order of large jellyfish characterized by four long, frilly oral arms flanking its quadrate "mouth." Its gastrovascular system consists of unbranched pouches and it has no ring canal. Five families have been described.

[edit] Families

[edit] Gallery

"Discomedusae". Plate from Ernst Haeckel's Kunstformen der Natur, 1904.

[edit] References

Ruppert, Edward E.; and Fox, Richard S. (1988). Seashore Animals of the Southeast, University of South Carolina Press, 273. ISBN 0-87249-535-3.
Hayward, Peter J.; and Ryland, John S. (1995). Handbook of the Marine Fauna of North-West Europe, Oxford University Press, 65. ISBN 0-19-854055-8.

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