''Asymmetron'' is a genus of
lancelets belonging to the family
Branchiostomatidae
Branchiostomatidae is a family of lancelets belonging to the class Leptocardii, order unknown.
Genera:
* ''Asymmetron'' Andrews, 1893
* '' Branchiostoma'' Costa, 1834
* ''Epigonichthys'' Peters, 1876
* '' Epigonopterus'' Jordan & Gilbert, 1882
* ...
.
The species of this genus are found in world oceans.
Species:
*''
Asymmetron inferum''
*''
Asymmetron lucayanum''
References
{{Taxonbar, from=Q9635660
Cephalochordata