Dexamine, Leach, 1814

Krapp-Schickel, T., 2013, New or amended data on Mediterranean Amphipoda: genera Dexamine, Ericthonius and Stenothoe, Zootaxa 3613 (2), pp. 125-145 : 130-131

Key to the 4 Mediterranean species of Dexamine :

1. Basis of P7 linear, propodus of Gn 1 male with a deep sinus in the anterior margin... Dexamine thea Boeck, 1861 (3–4 mm) - Basis of P7 expanded, Gn 2 male propodus without sinus...................................................... 2

2. Pleon segment 3 dorsally tridentate............................... Dexamine spiniventris (A. Costa, 1853) (5–9 mm)

- Pleon segment 3 dorsally unidentate....................................................................... 3

3. Coxae distally and facially setose; P6 basis hind margin straight....................... Dexamine filiola sp.n. (3–6 mm)

- Coxae distally naked or with rare setae; P6 basis hind margin excavated...... Dexamine spinosa (Montagu, 1813) (9–12mm)