I denne position tariferes »Ostrea-østers« af vægt pr. stk. over 40 g samt alle østers, unge udvoksede, af »Crassostrea«-arten (tidligere Gryphaea) og af »Pycnodonta Fisher de Waddheim «-arten.
Oysters of the genus "Ostrea" weighing more than 40g each as well as all oysters, young or adult, of the genus "Crassostrea" (formerly Gryphaea) and of the genus "Pycnodonta Fisher de Waddheim" are classified here.