Blench concludes that Talodi and Heiban are core Niger–Congo whereas Katla and Rashad form a peripheral branch along the lines of Mande.

[citation needed] Heiban, Katloid, and Talodi are also grouped together in an automated computational analysis (ASJP 4) by Müller et al.

[3] However, since the analysis was automatically generated, the grouping could be either due to mutual lexical borrowing or genetic inheritance.

Quint (2020) suggests that Proto-Kordofanian can be reconstructed from the Heibanian, Talodian, Rashadian, Katloid, and Lafofa languages.

His Proto-Kordofanian reconstructions are as follows:[5] Starostin (2018) lists the following common lexical isoglosses in the Kordofanian languages.