productus semireticulatus is an extinct species of inarticulate brachiopod from the carboniferous period - 始新世時代 幅插畫檔、美工圖案、卡通及圖標雕刻圖像
conocardium fusiforme is a fossil species of a rostroconchian mollusk, an extinct group of marine invertebrates - 始新世時代 幅插畫檔、美工圖案、卡通及圖標