Nematodes were known from these higher levels, but Halicephalobus mephisto is a new species.

线虫是更高级的生物，而魔鬼线虫是一个新发现的物种。

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If you were to dig down about 2.2 miles, you might encounter Halicephalobus mephisto (" mephisto ") and its other nematode relatives.

如果你向地下挖掘大约2.2英里(3.5公里)，你就可能会遇到Halicephalobus mephisto(“魔鬼”，以下译为“魔鬼线虫”)和它的线虫类亲戚。

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