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
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、卡通及圖標石炭紀
productus horridus is an outdated name for a brachiopod species now classified as horridonia horrida ,it is a fossil found in permian rock formations, particularly in the zechstein deposits - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
spirifer is a genus of marine brachiopods belonging to the order spiriferida and family spiriferidae - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
fenestella is a genus of bryozoans or moss animals, forming fan–shaped colonies with a netted appearance - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
morphological characteristics and dental anatomy of a fossilized tooth from the mackerel shark otodus obliquus - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
cranial and dental morphology of a fossilized alligator from the eocene of the isle of wight - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
spirifer speciosus spiriferida is an order of extinct articulate brachiopod fossils which are known for their long hinge-line, which is often the widest part of the shell - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
cranial architecture of an ancient horned mammal - unique skull of uintatherium, an extinct herbivorous giant from the eocene epoch - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
spiriferida (merista herculea) is an order of extinct articulate brachiopod fossils which are known for their long hinge-line, which is often the widest part of the shell - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
cranial anatomy of a thunder beast from the eocene of north america - side profile of a fossilized skull belonging to brontotherium ingens - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
spiriferida (spirigera concentrica) is an order of extinct articulate brachiopod fossils which are known for their long hinge-line, which is often the widest part of the shell - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
skeletal elements of an ancestral bat species from the eocene of france - fossilized skeletal remains of vespertilio parisiensis, an early bat species - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
morphological characteristics and elongated shell architecture of the fossilized gastropod physa columnaris from the eocene - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
morphological characteristics and surface ornamentation of the fossilized gastropod cypraea elegans from the eocene - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
morphological characteristics and spiral ornamentation of the fossilized gastropod cerithium hexagonum from the eocene - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
morphological characteristics and shell architecture of the fossilized land snail cyclostoma arnoudii from the eocene - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
platycrinus trigintadactylus is a fossil organism, likely a crinoid or "sea lily," that was found in the carboniferous period - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
kyptoceras mammal standing with head looking up, isolated on white background - 始新世時代 幅插畫檔、美工圖案、卡通及圖標
a megacerops grazing a prehistoric landscape. only one flower left, then breakfast is done for this double horned relative of the modern rhinoceros. - 始新世時代 幅插畫檔、美工圖案、卡通及圖標