faunas

The Permian faunas are very abundant, with a great of fossils, mostly collected from the mudstone and limestone. They consist of 421 species and 183 genera, mainly including Fusulinids, Brachiopoda, Bivalves, Cephalopoda, Conodont and so on.

二叠纪动物群繁盛，大量的动物化石大多采自泥岩和灰岩，计有138属421种，主要包括（？）、腕足、双壳类、头足类和牙形刺等。

Most deep-sea faunas rely for food on particulate matter , ultimately derived from photosynthesis, falling from above.

大多数 深海 动物以上方落下的颗粒物质为食, 这些物质基本上都是通过光合作用形成的.

Brackish waters generally support only a small range of faunas.

咸水水域通常只能存活为数不多的几种动物。

The bipolar distribution and biogeography of the Ordovician faunas

奥陶纪生物的两极分布及其与生物地理的关系

We shall appreciate this difficulty more clearly, by looking to certain existing faunas and floras.

通过观察某些现存的动物群和植物群,我们就能更清楚地了解这种困难了.

Tertiary System and Its Faunas of Alxa Area, Inner Mongolia, China

内蒙古阿拉善地区的第三系