Acrobrycon tarijae, Fowler, 1940

Mirande, Juan Marcos, 2010, Phylogeny of the family Characidae (Teleostei: Characiformes): from characters to taxonomy, Neotropical Ichthyology 8 (3), pp. 385-568 : 539

Autapomorphies of Acrobrycon tarijae :

1. Articulation between second and third infraorbitals (62): (1> 0) vertical. Reversal of synapomorphy 1 of node 196.

2. Relative length of palatine (172): (1> 0) approximately onehalf length of ectopterygoid, or less. Reversal of synapomorphy 4 of node 197. Paralleled in node 255 and in Aphyocharax nattereri , Gymnocharacinus bergii , Parecbasis cyclolepis , and Piabina argentea .

3. Palatine foramen (173): (0> 1) present and very conspicuous. Paralleled in node 255.

4. Caudal-fin bony hooks in adult males of species bearing hooks on fins (312): (0> 1) present. Paralleled in node 268 and in Astyanax cf. asuncionensis , A. lineatus , Bario steindachneri , Hyphessobrycon luetkenii , H. socolofi , and Probolodus heterostomus .