Smegmamorpha

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Group of fish under the superorder Acanthopterygii (separate from the Perciformes), which includes swamp eels, mullets, sticklebacks, sea horses, spiny eels, rainbowfishes, and killifishes. The name is derived from the six taxa which comprise the group. (From http://www.nanfa.org/articles/Elassoma/elassoma.htm, 8/4/2000)