Abstract The phylogenetic relationships among 13 species of the Tanganyikan cichlid genus
Xenotilapia and 12 related genera were investigated based on internal and external morphological
features. Xenotilapia is paraphyletic unless Asprotilapia, Enantiopus, and Microdontochromis are
treated as junior synonyms. The expanded Xenotilapia is characterized by four infraorbitals, in which
the anteriormost bone bears four or five sensory pores and does not overlap the elongated second
bone.
Xenotilapia and 12 related genera were investigated based on internal and external morphological
features. Xenotilapia is paraphyletic unless Asprotilapia, Enantiopus, and Microdontochromis are
treated as junior synonyms. The expanded Xenotilapia is characterized by four infraorbitals, in which
the anteriormost bone bears four or five sensory pores and does not overlap the elongated second
bone.
10.1007%2Fs102280300005.pdf
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