Results Considering all six animal phyla, there was only a weak trend of higher rates of COI evolution in lineages inhabiting latitudes closer to the tropics.
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The sentences
A significant trend (56% positive pairs) was also found within the bony fish (Actinopterygii), with the most noticeable trend observed in the large order Perciformes (67%), mirroring the overall directional pattern reported for marine fish by Wright et al.