藝術與建築詞典根目錄
....材料層面
........材料 (材料層面)
............材料
................<依成分區分之材料>
....................<無機/有機物質組成>
........................<無機/有機動物性材料之結合>
............................<殼與殼材料>
................................殼 (動物材料)
....................................海貝殼
|||........................................鮑魚貝
|||........................................海螺 (殼)
|||........................................芋螺
|||........................................瑪瑙貝
|||........................................鸚鵡螺殼
|||........................................牡蠣殼
|||........................................扇貝殼
|||................................珠母層