Article · Wikipedia archive · Last revised Jul 17, 2026

Eolarva

Eolarva is an extinct monospecific genus of ecdysozoa that lived during the Fortunian age of the Cambrian, around 535 million years ago. It has been suggested to be a stem-group ecdysozoan, an intermediate between saccorhytids and crown-group ecdysozoans.

Last revised
Jul 17, 2026
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≈ 1 min
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Eolarva
Temporal range: Fortunian,
Scientific classification Edit this classification
Kingdom: Animalia
Clade: Protostomia
Superphylum: Ecdysozoa
Genus: †Eolarva
Zhang & Dong, 2015
Species:
†E. kuanchuanpuensis
Binomial name
†Eolarva kuanchuanpuensis
Zhang & Dong, 20151

Eolarva is an extinct monospecific genus of ecdysozoa that lived during the Fortunian age of the Cambrian, around 535 million years ago.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

References

  1. 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.