Proboscidoidea

Proboscidoidea
Scientific classification
Kingdom:	Animalia
Phylum:	Cnidaria
Class:	Hydrozoa
Order:	Leptothecata
Suborder:	Proboscidoidea; Broch, 1910
Families
	Bonneviellidae Campanulariidae Phialuciidae

Proboscidoidea is a suborder of hydrozoans in the order Leptothecata.[1] It includes three families and near 150 distinct species. They are characterized by elongated and undercut hypostome that creates an indention superior to the gastric cavity.[2]

References

"Antarctic Invertebrates: Proboscidoidea". Smithsonian National Museum of Natural History. Retrieved 2012-07-06.
Daly; et al. (2007). "The phylum Cnidaria: A review of phylogenetic patterns and diversity 300 years after Linnaeus" (PDF). Zootaxa. Magnolia Press.

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[1] "Antarctic Invertebrates: Proboscidoidea". Smithsonian National Museum of Natural History. Retrieved 2012-07-06.

[2] Daly; et al. (2007). "The phylum Cnidaria: A review of phylogenetic patterns and diversity 300 years after Linnaeus" (PDF). Zootaxa. Magnolia Press.