1. most primitive teleost fishes; all are soft-finned: salmon; trout; herring; shad; sardines; anchovies; whitefish; smelts; tarpon; [syn: Isospondyli, order Isospondyli]
WordNet (r) 3.0 (2006):
order Isospondyli
n 1: most primitive teleost fishes; all are soft-finned: salmon;
trout; herring; shad; sardines; anchovies; whitefish;
smelts; tarpon [syn: Isospondyli, order Isospondyli]