Isospondyli

I`so`spon´dy`li

n. pl.

1.

(Zool.) An extensive order of fishes, including the salmons, herrings, and many allied forms.

Thesaurus

Noun

1.

Isospondyli - most primitive teleost fishes; all are soft-finned: salmon; trout; herring; shad; sardines; anchovies; whitefish; smelts; tarpon order Isospondyli animal order - the order of animals Malacopterygii, superorder Malacopterygii - an extensive group of teleost fishes having fins supported by flexible cartilaginous rays family Gonorhynchidae, Gonorhynchidae - coextensive with the genus Gonorhynchus Clupeidae, family Clupeidae - herrings; shad; sardines; etc. Engraulidae, family Engraulidae - anchovies family Salmonidae, Salmonidae - salmon and trout Coregonidae, family Coregonidae - soft-finned fishes comprising the freshwater whitefishes; formerly included in the family Salmonidae family Osmeridae, Osmeridae - smelts Elopidae, family Elopidae - tarpons and ladyfishes Albulidae, family Albulidae - bonefish Argentinidae, family Argentinidae - small marine soft-finned fishes with long silvery bodies; related to salmons and trouts family Myctophidae, Myctophidae - deep-sea fishes comprising the lantern fishes