Staurozoa is a class of Medusozoa, jellyfishes and hydrozoans. It has one extant order, Stauromedusae (stalked jellyfishes), and one extinct order, Conulatae. The extinct order is largely unknown and described as a possibly cnidarian clade of marine life with shell-like structures, the Conulariida. Staurozoans are small animals (1–4 cm or 0.4–1.6 in) that live in marine environments, usually attached to seaweeds, rocks, or gravel. They have a large antitropical distribution, a majority found in boreal or polar, near-shore, and shallow waters. Few staurozoans are found in warmer tropical and subtropical water environments of the Atlantic, Indian, and Pacific Ocean basins, but most are known from the Northern Hemisphere.
Temporal range: Latest Precambrian—Recent
Marques & Collins, 2004
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- "WoRMS - World Register of Marine Species - Staurozoa". marinespecies.org. Retrieved 2018-03-21.
- Collins, A. G. (n.d.). Staurozoa. AccessScience. doi:10.1036/1097-8542.652700
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