Leanchoilia

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Leanchoilia
Temporal range: Cambrian Stage 3–Middle Cambrian
File:LeanchoiliaSuperlata-ROM-Dec29-07.png
Fossil specimen
File:Leanchoilia.jpg
Reconstruction
Scientific classification e
Kingdom: Animalia
Phylum: Arthropoda
Class: Megacheira
Order: Leanchoilida
Størmer, 1944
Family: Leanchoiliidae
Raymond, 1935
Genus: †Leanchoilia
Walcott, 1912
Species

Leanchoilia superlata (type)
Leanchoilia persephone Simonetta
(but see text)

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Leanchoilia is a four-eyed arachnomorph arthropod known from Cambrian deposits of the Burgess Shale in Canada and the Chengjiang biota of China. It was about 5 centimetres (2.0 in) long and had long, whip-like feelers mounted on frontal arm-like appendages. Its internal organs are occasionally preserved within the substrate in three dimensions.[1] It had stalked compound eyes as well as pit-like ocelli.[2]

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.[3] 55 specimens of Leanchoilia are known from the Greater Phyllopod bed, where they comprise 0.1% of the community.[4]

References

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External links


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