Subtribe Leptolebiina Costa, 1998
In 2016 Costa wrote "Leptolebias marmoratus
is more closely related to species of the genera Campellolebias
than to other species of Leptolebias
, and that Mucurilebias leitao
is the sister group of a clade comprising all other cynopoecilines. Leptopanchax
, new genus..." which explain the relationships in this clade.