-
521
Distribution of recent benthic foraminisfera off the North American Atlantic coast
Cyhoeddwyd 1980Llyfr -
522
-
523
Parasitic copepods of mackerel- and tuna-like fishes (Scombridae) of the world
Cyhoeddwyd 1980Llyfr -
524
-
525
-
526
Review of the deep-sea genus argyropeza (Gastropoda : prosobranchia cerithiidae)
Cyhoeddwyd 1980Llyfr -
527
-
528
-
529
-
530


