Leanchoilia is a four-eyed arachnomorph arthropod known from the Cambrian Burgess shale. It was about 5cm long and had long, whip-like feelers mounted on frontal arm-like appendages. Its guts are sometimes preserved in three dimensions.

 Leancholia is found in the Burgess Shale in Canada.

 Two species are tentatively accepted today: the type species L. superlata and the recently-revalidated L. persephone. They may however be examples of sexual dimorphism. 55 specimens of Leanchoilia are known from the Greater Phyllopod bed, where they comprise 0.1% of the community.

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Tags: Вымершие членистоногие, Кембрий

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