Restored full skeleton belemnites - Jurastic fossil organisms, encyclopedia 'Education', Russia, 1896.
Hemicidaris crenularis, sea urchins - Jurastic fossil organisms, encyclopedia 'Education', Russia, 1896.
Echinobrissus scutatus, sea urchins - Jurastic fossil organisms, encyclopedia 'Education', Russia, 1896.
exogyra is an extinct genus of fossil marine oysters in the family gryphaeidae, the foam oysters or honeycomb oysters - 希留利亞紀 幅插畫檔、美工圖案、卡通及圖標
fossil trilobite. primitive marine arthropod. paleozoic era, silurian-cambrium, 300-400 million years ago. limestone quarry, illinois. - 希留利亞紀 個照片及圖片檔
old engraved illustration of landscape of lower oolite (before the age of man) by édouard riou - 希留利亞紀 個照片及圖片檔恐龍, 插圖, 鱷魚
diagram showing relative thickness of earth's crust and depth of internal caldron, cauldron - 希留利亞紀 個照片及圖片檔歸檔
