conodont的意思
conodont中文翻譯:
n.[古生]牙形石;牙形刺;牙形蟲
coniform conodont faunas───錐形牙形刺動物群
soft anatomy of conodont shows some soft tissues including eyes, notochord, nerve cord, myomeres and caudal fin.───古生物學家們通過牙形石動物的軟體解剖學研究,發現眼睛、脊索、神經索、肌肉組織、尾鰭等軟組織;
on the Late Upper Permian conodont fauna of Tieshikou section in Xinfeng area, Jiangxi Province.───對江西省信豐縣鐵石口剖面晚二疊世長興階至鐵石口階下部的牙形石動物群有了新的認識。
also concisely described the characteristics of the conodont fauna through the boundary strata.───這一界線地層牙形石動物群特征進行了簡要的描述。
According to the conodont and fusulinid fossils, their ages are determined to be Devonian -Permian.───根據所含化石確定地層形成時代為泥盆紀至二疊紀。
Conodont is an important kind of fossil in the stratigraphy research.───牙形石是一類在地層學研究中具有重要意義的古生物化石。
The first conodont animal was found by a scientist on a beach near Edinburgh in the mid-1980s.───第一個牙形石動物是一個科學家20世紀80年代中期在愛丁堡附近的海灘上發現的。
Forty eight characteristic species belonging to 27 genera are described herein, and 4 new conodont species are established.───本文系統描述了其中對生物地層劃分有重要意義的27屬48個牙形石關鍵種,建立了4個新種。
Conodont Stratigraphic Evidence for the Age of the Guanling Fauna, Guizhou Province, China───貴州關嶺動物群時代的牙形石地層證據
Characters and geological age of conodont fauna from denominated section of Benxi Formation───本溪組命名剖面牙形刺動物群的特征及地質時代
In the 1980s, however, paleontologists found full fossilized conodont specimens, and only recently have scientists begun to unravel their secrets.
In Tazhong-88 Well, the conodont fossils in the late of Middle Ordovician and the early of Late Ordovician slope facies have been found for the first time.
The soft anatomy of conodont shows some soft tissues including eyes, notochord, nerve cord, myomeres and caudal fin.
Three failing periods of conodont are influenced by two ice ages, five sea-level changes and rainfalls in the geological history time.
According to conodont , coral and foraminifera fossils discovered, the geological age of this sequence of sedimentary strata is Early Carboniferous.
But in the conodonts examined so far the crystalline structure within this layer is very variable.
We also concisely described the characteristics of the conodont fauna through the boundary strata.
Apart from conodonts, unequivocal evidence for fish does not occur until the Ordovician.
The discovery of this conodont-bearing animal suggests that at least some conodonts may be among the most primitive of vertebrates.
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