Leiocephalikon is an extinct genus of microsaur in the family Gymnarthridae.

The type species is Amblyodon problematicum named by John William Dawson in 1882.

[1] Its fossil was found in the Joggins Formation which hailed from Carboniferous period.

[2] Although sometimes regarded as primitive gymnarthrids, Leiocephalikon classification is still debated as its fossil is scarce.

This article about a prehistoric tetrapod is a stub.