illustration of an epaphosaurus, sail-backed dinosaur from late carboniferous era - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
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
scientific illustrations of fossilized bryozoan structures from the carboniferous period - collection of fossilized colonial organisms known as bryozoans - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
diplocaulus is an extinct amphibian from the cambrian to the permian period that lived in north america. - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
anatomical characteristics of a fossilized bivalve shell from the permian period - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
morphological structure and internal chambering of fusulina cylindrica from the russian carboniferous - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
acanthodes, an extinct genus of acanthodian fish, spanning the early carboniferous to the early permian, victorian 19th century vintage illustration - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
morphological reconstruction of a deep-bodied ganoid fish from the middle permian of russia - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
attachment habit and shell ornamentation of spirorbis (microconchus) carbonarius - 石炭紀 幅插畫檔、美工圖案、卡通及圖標復古風格
a herd of plateosaurus dinosaurs watch a hunting pack of carnivorous coelophysis - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
hard coal formation fossil ,trigonocarpus noeggerathi is the name for a fossilized seed produced by ancient plants called medullosales, a type of seed fern from the carboniferous period - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
stratigraphic column illustrating the succession of triassic sedimentary layers in central europe - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
evolutionary diversity of brachiopod shell morphologies from the carboniferous limestone - various brachiopod species - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
morphological features and structural symmetry of trigonocarpon ovatum from the british coal-measures - 石炭紀 幅插畫檔、美工圖案、卡通及圖標種子, 草圖
eophrynus is an extinct genus of arachnids from the extinct order trigonotarbida, which lived during the late carboniferous period in europe - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
morphological features and rootlet attachments of stigmaria ficoides from the carboniferous - fossilized underground stem or root belonging to giant lycopods - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
anatomical reconstruction of a primitive ray-finned fish from the carboniferous period - scientific reconstruction of an extinct actinopterygian fish - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
carboniferous strata at kinghorn, in fife - scotland, showing stratified beds of limestone and shales surmounted by an unstratified mass of trap - 石炭紀 幅插畫檔、美工圖案、卡通及圖標蘇格蘭
illustration of layers of earth showing age from devonian, carboniferous, permian, triassic, jurassic, and cretaceous - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
detailed anatomical study of a paleozoic land snail from the nova scotia coal measures - fossilized shell of a terrestrial gastropod - 石炭紀 幅插畫檔、美工圖案、卡通及圖標
morphological characteristics of a living australian cycad showing its palm-like foliage and reproductive cone - 石炭紀 幅插畫檔、美工圖案、卡通及圖標復古風格, 澳洲, 草圖
slice of arenaceous and oolitic limestone from the carboniferous series of shap, westmoreland, exhibiting foraminifera and other minute fossils magnified - 石炭紀 幅插畫檔、美工圖案、卡通及圖標