Eolarva

Eolarva; Temporal range: Fortunian, ~535 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Superphylum:	Ecdysozoa
Genus:	† Eolarva ; Zhang & Dong, 2015
Species:	†E. kuanchuanpuensis
Binomial name
	†Eolarva kuanchuanpuensis; Zhang & Dong, 2015

Last updated January 10, 2026

Eolarva is an extinct animal that lived during the Fortunian age of the Cambrian, around 535 Ma.^[1] It has been suggested to be a stem-group ecdysozoan, an intermediate between saccorhytids and crown-group ecdysozoans.^[2]

It contains a single species, Eolarva kuanchuanpuensis.^[1]

References

1 2 3 4 5 Zhang, Huaqiao; Dong, Xi-Ping (November 2015). "The oldest known larva and its implications for the plesiomorphy of metazoan development". Science Bulletin. 60 (22): 1947–1953. doi:10.1007/s11434-015-0886-9. ISSN 2095-9273.
↑ Wang, Deng; Han, Jian; Guo, Junfeng; Qiang, Yaqin (March 2025). "Origin and evolution of bodyplans of ecdysozoans during the Cambrian explosion". Chinese Journal of Nature. 47 (2): 125–133. doi:10.3969/j.issn.0253-9608.2025.02.004.

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[ALPHA-1] 1 2 3 4 5 Zhang, Huaqiao; Dong, Xi-Ping (November 2015). "The oldest known larva and its implications for the plesiomorphy of metazoan development". Science Bulletin. 60 (22): 1947–1953. doi:10.1007/s11434-015-0886-9. ISSN 2095-9273.

[2] Wang, Deng; Han, Jian; Guo, Junfeng; Qiang, Yaqin (March 2025). "Origin and evolution of bodyplans of ecdysozoans during the Cambrian explosion". Chinese Journal of Nature. 47 (2): 125–133. doi:10.3969/j.issn.0253-9608.2025.02.004.

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