In 2004, Ekrixinatosaurus was placed in the Abelisauridae.
The article by Calvo et al.
in 2004, also contained a preliminary cladistic analysis of the phylogenetic relationships between Ekrixinatosaurus and those abelisaurids of which at the time relatively complete skeletons were known, finding it to be more closely related to Carnotaurini than to Ceratosaurus.

In 2008, a study recovered it as the sister species of Skorpiovenator.
In 2004, Ekrixinatosaurus was placed in the Abelisauridae. The article by Calvo et al. in 2004, also contained a preliminary cladistic analysis of the phylogenetic relationships between Ekrixinatosaurus and those abelisaurids of which at the time relatively complete skeletons were known, finding it to be more closely related to Carnotaurini than to Ceratosaurus.
In 2008, a study recovered it as the sister species of Skorpiovenator.
Ekrixinatosaurus