overcast sky and rough sea at popcorn beach on fuerteventura, canary islands archipelago, atlantic ocean, spain - 鈣質的 個照片及圖片檔
fossil sponge, petrification, porifera spec., fossil, campan, chalk, around 80 million years old, höver, lower saxony, germany - 鈣質的 個照片及圖片檔
fossil sponge, petrification, porifera spee., fossil, campan, chalk, around 80 million years old, höver, lower saxony, germany - 鈣質的 個照片及圖片檔
palaeocarpilius macrocheilus, a fossil crab species from the eocene epoch, named after its large claws ,"macrocheilus" or "macrocheilus" meaning "large claw" - 鈣質的 幅插畫檔、美工圖案、卡通及圖標