Yet another phylogenetic tree!
Strange enough this one is composed using only cyt-b, a much disputed molecular character. I would have thought (hoped) that new studies would use more characters, but alas...
Still I took the trouble of analysing three trees that have recently been published, which you can find here
Note the different positions of bocourti
. Funny to notice that using (practically) the same method can still yield such varying results. At the highest level there is some consistency though.
Two main sisterclades can be distinguished which in turn have Herichthys
as their sister taxon. It is the naming of the two clades that will cause most of the confusion (if followed of course).
McMahan et al propose Paraneetroplus
for the first one and Theraps
for the second, rendering Vieja
junior synonyms. There's lumping for you. I have a hard time believing that such species as regani
should all belong to the same genus as Paraneetroplus bulleri
. The same goes for ufermanni
being assigned to Theraps
Another interesting point is that if you go one level below the proposed genera you will find natural groups such as maculicauda
) as well as breidohri
, bifasciatus fenestratus
). Excluding bocourti
from the tree also gives a natural group with irregularis
and the trio godmani
). So I guess only Chuco
will have to go.
Unless of course there's other trees to follow.......