However, this rapid evolution within Chartronella was short-lived since the clade soon become extinct at the Jurassic-Cretaceous boundary which is considered as a mass extinction boundary. 展开 会议名称: 17th International Congress of Unitas Malacologica (World Congress of Malacology) 18-24 July ...
Examples of large gliding rock masses and allochthonous blocks, as well as different explanations for the development of submarine mega-breccias, have been reported in the litera- ture from different parts of the world, although none of them S62 H. Ortner et al. Fig. 7. Basal ...
Jurassic World 4K超清 无水印 中英双语字幕 MP4 动作 / 科幻 / 冒险 下载地址 侏罗纪世界 Jurassic World (2015) 导演: 科林·特莱沃若 编剧: 里克·杰法 / 阿曼达·斯尔沃 / 德里克·康纳利 / 科林·特莱沃若 / 迈克尔·克莱顿 主演: 克里斯·帕拉特 / 布莱丝·达拉斯·霍华德 / 文森特·多诺费奥 / 泰·...
The first fragment of palm size was found in a spoil heap close to the main excavation level. A single slab fragment, when viewed under low angle light, revealed the articular area between the metacarpus and basal wing-finger phalanx (WP). Because the fragment had sharp, clean edges a tho...
Jurassic-Cretaceous (J-K) ammonoids experienced remarkably rapid rates of evolution and extinction. The processes that fueled this evolutionary volatility are not well understood. Evolutionary relationships among and within the six J-K ammonoid suborders