48 



U.S. NATIONAL MUSEUM BULLETIN 258 



Table 34. — List of world intertidal gammaridean genera in the region of 90° N 

 to 40° S. The following families are not included because their members occur 

 primarily on soft-bottoms, in pelagic waters, or as epibionts: Acanthonotozo- 

 matidae, Ampeliscidae, Haustoriidae, most genera of Lysianassidae, Oedicero- 

 tidae, Pardaliscidae, Paramphithoidae, Phoxocephalidae, Stegocephalidae, 

 Stilipedidae, Synopiidae (=Tironidae), Talitridae (beachhoppers) . Endemic 

 Calif ornian genera are marked with asterisks — Continued 



