Fig. 2.—The carapace of Priodontes maximus has a broad, light-colored band on its lower part in contrast to its dark brown to black dorsal part; the number of light and dark scales in each row is said to permit individual recognition (Noss et al. 2004). Photographs by Federico Mosquera-Guerra, Fundación Omacha (top) and Fernando Trujillo (bottom) used with permission.