Haustorius species

Bellan-Santini, D., 2005, European species of Haustorius (Crustacea: Amphipoda: Haustoriidae), with description of a new Mediterranean species, Journal of Natural History 39 (15), pp. 1101-1110 : 1107-1109

Key to the European Haustorius species ( Foster and Lecroy 1991 modified)

1. P7 merus, proximal margin sharply set off from posterior margin American species

– P7 merus, proximal margin rounded continuous with posterior margin (European species)...................... 2

2. Accessory flagellum with four segments; P7 merus, posterior margin with three to four stiff spines................. H. arenarius

– Accessory flagellum three-segmented.............. 3

3. P7, merus, posterior margin lined continuously but rounded with three spines at the distal part. U1 peduncle with a row of spines on the ventral margin........................ H. algeriensis

– P7, merus, posterior margin lined continuously straight without spines at the distal part. U1 peduncle with two clusters of four spines on the ventral margin......................... H. orientalis