阿尔拜虫目放射虫最早的代表出现于志留纪，从晚泥盆世开始繁盛，于二叠纪末期灭绝，是晚古生代特有的放射虫类群。
Representative elements of order Albaillellaria firstly appear in Silurian, which prosperous in Late Devonian, and extinction in end-Permian, is the characteristic group of Late Paleozoic Radiolaria.
阿尔拜虫目放射虫最早的代表出现于志留纪，从晚泥盆世开始繁盛，于二叠纪末期灭绝，是晚古生代特有的放射虫类群。
Representative elements of order Albaillellaria firstly appear in Silurian, which prosperous in Late Devonian, and extinction in end-Permian, is the characteristic group of Late Paleozoic Radiolaria.
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