生物地理区

这些成果对中国陆相侏罗纪地层划分与对比、生物地理区及其变迁、古构造研究等，都具有理论意义和实际价值。

These research results have theoretical and practical value for the stratigraphic division and correlation of the continental Jurassic of China and studies of biogeographic realms and their changes and paleotectonics .

中国泥盆纪双壳类生物地理区、生活习性和群落

Palaeobiogeography , life-habits and communities of Devonian bivalves of China

吉林省石炭二叠纪生物地理区的划分是一个复杂的问题。

Division of Carboniferous-Permian biogeographic province in Jilin province is a complicated question .

寒武纪三叶虫生物地理区的一些问题

Problems of Cambrian trilobite biogeography Biological Calcification Bio-Mass Spectrometry

新北区的北美洲的生物地理区，不包含墨西哥南部（热带）。

Nearctic The biogeographical realm of North America , except southern ( tropical ) Mexico .

北方槽区泥盆纪生物地理区的特征

On the nature of the Devonian biogeographical province of the geosynclinal region in Northern China

即使在同一生物地理区内，Polyg-nathus各分子的分布也受到相的控制，从而形成不同的演化路线。

Even within the same biogeographical province , the distribution of the Polygnathus elements was subjected to facies conditions , ang thus evolved the different evolutionary branches .

古新世开始浅海相动物群在该地显示同一生物地理区系特征，说明两大陆间深水盆地的阻隔已消失，南北生物地理区同归于一残留海盆。

At the beginning of the Palaeogene the shallow-sea fauna showed the features of the same biogeographic realm in the area , suggesting that the separation of the two continents by the deep-sea basin had disappeared and the northern and southern biogeographic provinces be-longed to a single remnant sea basin .

认为古生物地理大区的混生区是这些两极分布的凉水型分子的起源地，即混生区起源。

Place of origin for these genera which belong to bipolar distribution may be the mixed livingarea ( or zone ) between two realms .