Lepidosiren, [291], [517], [518]
Larval organs, [418];
adhesive or cement organs, [418], [494], [501], [504], [514], [515], [517], [518];
external gills, [289], [290], [419];
cutaneous gills, [290], [483], [484], [517], [518];
defensive spines, [418]
Lasanius, [532];
L. problematicus, [532]
Lateolabrax, [659]
Lateral line sensory organs, [163], [384], [385], [386], [387]