C. glaucus may refer to: Callistemon glaucus, a shrub in the myrtle family Caulanthus glaucus, a plant in the mustard family Chiton glaucus, the green chiton Coluber glaucus, now Bothrops lanceolatus, the fer-de-lance snake Conus glaucus, a species of cone snail Craugastor glaucus, a species of frog
See also Glaucus (disambiguation)