the saber-tooth cat, also called smilodon, with dagger like front canine teeth. - 始新世時代 幅插畫檔、美工圖案、卡通及圖標劍齒虎
eurohippus is one of the ancestors of the modern horse and lived in the eocene period in tropical forests of europe. - 始新世時代 幅插畫檔、美工圖案、卡通及圖標侏儸紀
turkey vultures fly over a herd of paraceratherium mammals during the eocene period of china - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
a rhinoceros-like paraceratherium mother with two twin calves walks along a stoney desert in the oilgocene era. - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
megacerops (titanotherium latum), late eocene epoch, chromolithograph, published in 1900 - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
illustration of equus, megacerops, and uintatherium skulls with large, medium, and small brains highlighted in red - 始新世時代 幅插畫檔、美工圖案、卡通及圖標水彩畫
the tertiary formation is famously known for its fossils, which document the explosive diversification of life following the extinction of the dinosaurs. - 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
presbyornis, an extinct genus of anseriform bird, also known as the flamingo-duck. - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
skeletal morphology and hinge anatomy of the fossilized bivalve cardita planicosta from the middle eocene - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
exogyra is an extinct genus of fossil marine oysters in the family gryphaeidae, the foam oysters or honeycomb oysters - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
