Definition from Wiktionary, the free dictionary
An acronym from the six taxa which originally comprises the group. + -morpha
- A taxonomic clade within the superorder Acanthopterygii — including swamp eels, mullets, sticklebacks, sea horses, spiny eels, rainbowfishes, and killifishes.
- (clade): Atheriniformes/Atherinomorpha, Gasterosteiformes, Syngnathiformes, Mugiliformes/Mugilomorpha, Synbranchiformes, Elassomatiformes - original members; Beloniformes, Cyprinodontiformes - additional members; – orders