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Youti

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Youti
Temporal range: Cambrian Series 2 (Stage 3)
Anatomy of the holotype
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Superphylum: Ecdysozoa
(unranked): Panarthropoda
Genus: Youti
Smith et al., 2024
Species:
Y. yuanshi
Binomial name
Youti yuanshi
Smith et al., 2024

Youti (meaning "larva") is an extinct genus of dinocaridid arthropods from the Cambrian Yu'anshan Formation of Yunnan Province, China. It was described after using computational approaches to visualize the internal details preserved inside the fossil. The genus contains a single species, Y. yuanshi, known from a larval individual preserved in a carbonate nodule. The internal organs were well-preserved by the fossilization process and it was possible to study the structure using synchrotron scanning electron microscopy and X-ray computed tomography. The specimen shows lobopod legs, and a onychophora-like peripheral haemolymph system. Based on its anatomical characteristics, Smith et al. place the species in the arthropod clade containing Anomalocaris, Opabinia, Pambdelurion and Kerygmachela.[1]

References

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  1. ^ Smith, Martin R.; Long, Emma J.; Dhungana, Alavya; Dobson, Katherine J.; Yang, Jie; Zhang, Xiguang (31 July 2024). "Organ systems of a Cambrian euarthropod larva". Nature: 1–7. doi:10.1038/s41586-024-07756-8. ISSN 0028-0836. PMC 11374701. PMID 39085610.
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