The late-Jurassic Archaeopteryx lithographica, shown here with legs akimbo and wings outspread, is believed by many to be the world's first bird.

晚侏羅世始祖鳥lithographica 欧美黑人双飞视频3区，在這里顯示雙手叉腰與腿和翅膀延伸精品久久网视频，相信是許多成為世界上第一鳥。

This confirms what has been observed in two other transitional fossils, Archaeopteryx and Rodhocetus (a proto-whale).

這就肯定了從另外兩個(gè)過渡的生物化石Archaeopteryx(始祖鳥717理论电影，最古老的鳥類)和Rodhocetus亚洲另类图区。

Here described the history of the discovery of Archaeopteryx, also according to this area in the recent progress and existing debate, discussed the issue of Archaeopteryx classified, and the functions of Archaeopreryx.

這里敘述了始祖鳥發(fā)現(xiàn)的歷史，同時(shí)根據(jù)這一領(lǐng)域研究取得的進(jìn)展以及存在的爭議免费无遮挡禁18网站，討論了始祖鳥的歸屬問題免费一级黄，并且分析了始祖鳥的行為功能。

According to another report, Chinese scientists have temporarily named this type of archaeopteryx fossil "the Divine Land archaeopteryx"

另據(jù)悉国产精品一区二区哟哟视频，中國科學(xué)家將這類始祖鳥化石暫定名為"神州始祖鳥"亚洲男女精品视频在线看。

They share many similar or the same featutes with Archaeopteryx or other primitive birds, such as: U-shaped furcula, uncinate process, laterally facing glenoid of shoulder girdle, comparatively long forelimb, large semilunate carple, retroverted pubis, ascending process of astragalus, and "modern feathers"with rachis and barbs etc.

奔龍類是一類較為特殊的手盜龍類，它具有許多與始祖鳥Archaeopteryx甚至其它早期鳥類相似或接近的特征com国产，主要表現(xiàn)在：叉骨U形與始祖鳥和孔子鳥類的相同粗暴大黑鳮巴视频欧美A，背肋鉤狀突在孔子鳥類和個(gè)別反鳥類中也存在久久偷拍网，肩臼窩絕大部分指向側(cè)方類似于始祖鳥，肩胛骨與烏喙骨間的夾角非常接近90°也和始祖鳥的相似AV无码国产精品一区，前肢從比例上講顯得較長99精品r视频在线观看，大的半月形腕骨使肘部能向側(cè)方折過來，恥骨伸向后下方有色有爽，距骨上升突與原始鳥類中的為同源結(jié)構(gòu)国产福利污污污在线观看，羽毛已有顯著的分化且具備了現(xiàn)代羽毛的基本結(jié)構(gòu)等等。

Archaeopteryx lived in the late Jurassic Period around 150-155 million years ago,despite its small size, broad wings, and ability to fly, Archaeopteryx has more in common with small theropod dinosaurs then it does with modern birds.

始祖鳥生活在侏羅紀(jì)晚期人人插人人操人人奸，約1億5千5百萬到1億5千萬年前。它具有體積小一级A级黄色网站，翅膀?qū)拸V黄页黄色网站，并且能夠飛行等與現(xiàn)代鳥類相似的特點(diǎn)，但它和小型獸腳類恐龍有更多相似的特點(diǎn)欧美日韩亚洲一区在线观看不卡。

Because all fossils of Archaeopteryx come from marine sediments, suggesting a coral-reef setting, Videler (2005) suggested that, like the Jesus Christ lizards ( Basiliscus spp.), Archaeopteryx and its ancestors were 'Jesus-Christ dinosaurs' running over water to escape from predators and travel between islands in the coral lagoons of central Europe 150 million years ago.

因?yàn)樗械氖甲骧B化石的發(fā)現(xiàn)欧美老妇XXXX，來自海洋沉積物中，暗示珊瑚礁設(shè)置九九鲁视频在线观看， videler （ 2005 ）建議最新免费黄网站，像耶穌蜥蜴（ basiliscus最高人民檢察院），始祖鳥及其祖先耶穌-基督恐龍運(yùn)行水逃避天敵和旅行之間的群島国产性爱全露a级生片免费观看，在珊瑚環(huán)礁湖的歐洲中部1.5億年前ekwei.com。

According to another report, Chinese scientists have temporarily named this type of archaeopteryx fossil "the Divine Land archaeopteryx"

另據(jù)悉，中國科學(xué)家將這類始祖鳥化石暫定名為&神州始祖鳥&国产夜色快憣免费完整片。

According to another report, Chinese scientists have temporarily named this type of archaeopteryx fossil "the Divine Land archaeopteryx"

另據(jù)悉国产又长又大粗又硬无遮挡，中國科學(xué)家將這類始祖鳥化石暫定名為&神州始祖鳥&。他憎惡人的肉欲黄色18禁网址，欣賞人性中神圣的一面三级片伊人影院十月色。

In general, the Liaoning dromaesaurs are small in size and have a skull with an Archaeopteryx -like profile, a relatively small number of caudal vertebrae, a derived should girdle similar to Archaeopteryx , a proportionately long forelimb, a pelvic girdle similar to basal birds, and a pes showing some arboreal features.

綜上所述，遼西的奔龍類個(gè)體小男人天堂最新在线、頭骨輪廓類似始祖鳥国产一级不卡毛片、尾椎數(shù)量少、肩帶與始祖鳥相似无码国产精品一区二区v尺中国、前肢長美裸网站、腰帶類似始祖鳥、后足顯示樹棲特征国产福利在，進(jìn)一步縮短了奔龍類與鳥類的形態(tài)差距真实偷窥拍摄系列网站。