The Discovery of the Bivalve Fossil Arguniella from the Lower Cretaceous Shangkuli Formation in Northern Greater Khingan MountainsNorthernObjective Typical Early Cretaceous non-marine bivalve fossils from Eastern Asia are represented by the Arguniella-Sphaerium assemblage, and they were important members ...
The discovery of bivalve fossil assemblages supplied the feature of bivalve fauna during the deposition of the Waigucun Formation. 该双壳化石组合的发现对歪古村组沉积时期双壳动物群的面貌是一个补充。 www.gbc.ac.cn 6. Any of various bivalve mollusks of the family Cardiidae, having rounded or he...
The first fossil fishes are found in sediments from the Ordovician Period (about 488 million to 444 million years ago). Changes in the physical conditions of the ocean that are thought to have occurred in the Precambrian—an increase in the concentration of oxygen in seawater and a buildup ...
matrix and possibly only visible in cross section where the matrix has fractured. Your piece looks like a water (or wind) worn piece of matrix in a vaguely bivalve-like shape. As fossil hunters we always have to be aware of the effect of our pareidolia in "seeing" things that are not ...
NatureRuncorn, S.K.: Fossil bivalve shells and the length of the month and year in the Cretaceous. Nature (London) 218 , 459 (1968)Runcorn, S.K., 1968. Fossil bivalve shells and the length of month and year in the Cretaceous. Nature, vol. 218, p. 459....
larve幼,幼体,蚴;coquille贝壳,甲壳;mammifère哺乳动物;fossile化石的;taxon类群;bactérie细菌;spécimen样本的;crevette虾;poisson鱼;requin鲨, 鲨鱼, 鲛;crabe蟹; 法语例句库 Les espèces dominantes comprennent les familles de grosbivalves(palourdes), dont certaines sont inconnues de la science. ...
英文: To avoid sampling bias, they restricted their analysis to one group of animals—the bivalve molluscs—that fossilise well. 中文: 为了防止取样的偏颇,他们将分析的对象限制在一类化石记录保存完备动物——双壳类软体动物。更详细... 英文: Bivalve Fossils from the Qihulin Formation in Eastern Heilo...
5. The discovery ofbivalvefossil assemblages supplied the feature ofbivalvefauna during the deposition of the Waigucun Formation. 该双壳化石组合的发现对歪古村组沉积时期双壳动物群的面貌是一个补充。 youdao 6. This paper presents basic operating principle and application ofbivalvevalue window comparison ...
2.To avoid sampling bias, they restricted their analysis to one group of animals—the bivalve molluscs—that fossilise well. 为了防止取样的偏颇,他们将分析的对象限制在一类化石记录保存完备动物——类软动物。 3.Unlike other molluscs, bivalves lack a radula and feature labial palps, which carry food...
可以说它是我曾见过的最大的贝类了。贝壳的形状大小和我的脚差不多。 5. The discovery ofbivalvefossil assemblages supplied the feature ofbivalvefauna during the deposition of the Waigucun Formation. 该双壳化石组合的发现对歪古村组沉积时期双壳动物群的面貌是一个补充。 单词专题...