Autapomorphies of Bryconamericus alpha:

Some trees:

1. Transitional vertebrae with haemal canal (229): (0> 1) absent. (some trees under k9-14). Paralleled in nodes 195 and 212, and in Aulixidens eugeniae, Engraulisoma taeniatum, Metynnis maculatus, and Piabina argentea . Some trees: Paralleled in node 247 and in Paracheirodon axelrodi .