Atubaria heterolopha is a species of hemichordates in the monotypic genus Atubaria and in the monotypic family Atubaridae.

This taxon belongs to the pterobranchian order Cephalodiscida.

It was described by Tadao Sato in 1936[1] from specimens found feeding on a colony of the hydrozoan Dycoryne conferta in Sagami Bay, Japan.

[2] The characteristics of this pterobranch species include a 1–5 mm long zooid, a collar with four pairs of tentaculated arms, a single pair of pharyngeal slits, and a solitary and sedentary behaviour.

[3] It closely resembles Cephalodiscus members.