它们中的大部分属于细菌，但有也有一些是在海床中挖掘的蠕虫，或是体长小于1 mm的海洋昆虫。
Most are microbes of bacteria, though there are also worms burrowing into the sea bed and ocean insects less than 1mm long.
生物学上的假设包括生态变化，这些变化是由昆虫和开花植物之间的共同进化，或海洋中以海底生物为食的捕食者的进化所带来的。
Biological hypotheses include ecological changes brought about by the evolution of cooperation between insects and flowering plants or of bottom-feeding predators in the oceans.
这次喷发是Permian - Triassic绝种事件的可能原因之一，约95%的海洋物种，陆生脊椎动物，昆虫和植物在这次绝种事件中灭绝了。
The eruption is one of the likely causes of the Permian-Triassic mass extinction event, in which 95% of Marine species and many terrestrial vertebrates, insects and plants died off.
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