English: Figure 2: Useful morphological details for identification of marine exotic isopods on fouling communities associated to marinas (Family Sphaeromatidae).

Family Sphaeromatidae. Paracerceis sculpta from Barbate marina (Cádiz, Spain) (St 17) (A–E); male dorsal view (A), female (B), male pleotelson (C), female uropods (D), male pleopod 2 (E). Paradella dianae male from Barbate marina (Cádiz, Spain) (St 17) and female from Caleta-Vélez marina (Málaga, Spain) (St 22) (F–J); male dorsal view (F), female (G), male pleopod 2 (H), male antenna (left) and antennule (right) (I), male uropods (J). Sphaeroma walkeri from Puerto America marina (Cádiz, Spain) (St 14.1) (K–N); female dorsal view (K), female antennule (left) and antenna (right) (L), female pleotelson and uropods (M), female maxilliped (N). Bar 1 mm: A, B, E, F, G, K, M. Bar 0.2 mm: C, D, I, J, L, N. Arrows and dashed circles show specific morphological details described in the text.