section of carboniferous limestone from spergen hill, indiana, u.s., showing numerous large-sized foraminifera (endothyra) and a few oolitic grains magnified - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
stigmaria - fossilised root of the lycopod lepidodendron tree from the carboniferous period 360 to 300 million years ago - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
comparative study of gymnosperm foliage from triassic deposits in europe and america - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
a herd of dracorex dinosaurs walk through a carboniferous forest in the cretaceous era. - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
rhizodus is an extinct group of carboniferous predatory lobe-finned fishes that lived in freshwater. - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
a collection of plants, trees and ferns that lived during prehistoric periods of earth's history - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
archaeothyris florensis is an extinct synapsid from the late carboniferous period of canada. - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
black and white illustration of prehistoric helicoprion shark with teeth spiralling up into its jaws, late carboniferous to early jurassic era - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
model of landform evolution in the prehistoric era, including quaternary, tertiary, cretaceous, jurassic, triassic, permian, carboniferous, devonian, silurian, ordovician, precambrian periods - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
a collection of trees and cycads that lived during prehistoric periods of earth's history - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
dipterus is an extinct freshwater lungfish from the devonian period of australia and europe. - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
carboniferous plants and animals of the eastern united states circa 300 million years ago. - 石炭紀 幅插畫檔、美工圖案、卡通及圖標泥盆紀
akmonistion zangerli is an extinct shark from the early carboniferous period of scotland. - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
orthacanthus was a freshwater shark that thrived in the devonian period. - 石炭紀 幅插畫檔、美工圖案、卡通及圖標鯊魚, 泥盆紀
morphological characteristics of cephalopod shells from the carboniferous limestone - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
