radiolarian faunas 放射虫动物群
Yangtze Micromolluscan Faunas 扬子微型软体动物群
java faunas 爪哇动物群
soil faunas 土壤动物
fish faunas 鱼类区系
ostracod faunas 介形虫化石群
mammalian faunas 化石动物群
conodont faunas 牙形石动物群
microfossil faunas 微体化石群
The ages of the two faunas of late Oligocene in the bottom of the section were 26Ma and 25.5Ma.
剖面底部两个晚渐新世动物群的年代分别为26Ma和25.5Ma。
参考来源 - 新疆准噶尔盆地北缘第三纪磁性地层学·2,447,543篇论文数据，部分数据来源于NoteExpress
N-COUNT-COLL Animals, especially the animals in a particular area, can be referred to as fauna. (尤指某区域的) 动物群 [技术]
...the flora and fauna of the African jungle.
…非洲丛林的植物群和动物群。
Unless smokers are consistently located near more hospitable warm-water vents, chemosynthesis can account for only a fraction of the vent faunas.
除非烟囱始终位于更适宜的暖水喷口附近，否则化学合成只能占喷口动物群的一小部分。
Most deep-sea faunas rely for food on particulate matter, ultimately derived from photosynthesis, falling vent would dwarf any contribution from advection.
大多数深海动物依靠颗粒物质作为食物，这些颗粒物质最终来自于光和作用，下降的排放口会使平流的作用相形见绌。
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。
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