Asymmetron

Asymmetron is one of the few living genera of lancelets (order Amphioxiformes). It is the type genus of family Branchiostomatidae.[1]

Asymmetron
Asymmetron lucayanum
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Leptocardii
Family: Branchiostomatidae
Genus: Asymmetron
Andrews, 1893
Species
  • Asymmetron inferum
  • Asymmetron lucayanum

Asymmetron can grow to 60 mm. The species of this genus are found in world oceans.[1]

The genus Asymmetron currently contains only two species:[2]

  • Asymmetron inferum Nishikawa, 2004
  • Asymmetron lucayanum Andrews, 1893

References
  1. "Asymmetron Andrews, 1893". www.gbif.org. Retrieved 10 June 2021.
  2. Igawa, T., M. Nozawa; M. Nozawa; D.G. Suzuki; J.D. Reimer; A.R. Morov; Y. Wang; Y. Henmi; K. Yasui (2017). "Evolutionary history of the extant amphioxus lineage with shallow-branching diversification". Scientific Reports. 7 (1): 1157. Bibcode:2017NatSR...7.1157I. doi:10.1038/s41598-017-00786-5. PMC 5430900. PMID 28442709.
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