prehistoric marine life ,rotalia (beccarii) ammoniformis ,foraminifera (order: rotaliida; family: rotaliidae) - 地層學 幅插畫檔、美工圖案、卡通及圖標
prehistoric marine life ,siderolina laevigata ,upper cretaceous (specifically the maastrichtian stage, the final age of the mesozoic). - 地層學 幅插畫檔、美工圖案、卡通及圖標
prehistoric marine life ,orbitolina concava ,foraminifera (order: loftusiida; family: orbitolinidae). - 地層學 幅插畫檔、美工圖案、卡通及圖標
prehistoric marine life, orbitoides media ,foraminifera (order: loftusiida; family: orbitoididae) - 地層學 幅插畫檔、美工圖案、卡通及圖標
silicified petrified log on eroded badlands formation, petrified forest national park, arizona - 地層學 個照片及圖片檔
fossilized petrified log on eroded badlands formation, petrified forest national park, arizona - 地層學 個照片及圖片檔
layered painted desert badlands with shadow patterns, petrified forest national park, arizona - 地層學 個照片及圖片檔
painted desert badlands and hoodoo formations in petrified forest national park, arizona - 地層學 個照片及圖片檔
layered triassic badlands with erosion channel, petrified forest national park, arizona - 地層學 個照片及圖片檔
petrified wood log showing quartz replacement and iron oxide mineralization in arizona desert - 地層學 個照片及圖片檔
petrified logs scattered across desert ridge in petrified forest national park, arizona - 地層學 個照片及圖片檔
