A cell (simple or branched), usually in shell (cuticular or subcuticular), containing pigment granules, usually capable of being dispersed or concentrated [Butler, T.H.].
Cell containing pigment [Holdich and Jones, 1983].
Cells whose cytoplasm contains pigment that can be rapidly concentrated or dispersed, producing an overall effect of altering the color or tone of the whole or part of the animal [Ingle, 1983].
Pigmented cell in exoskeleton [Poore, 2004].
(Order Decapoda):
Pigment-filled, sac-shaped cell; contraction and expansion of chromatophores result in color changes. (bichromatic = dichromatic, monochromatic, polychromatic) [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.