Hyphessobrycon pulchripinnis, Ahl, 1937

Mirande, Juan Marcos, 2010, Phylogeny of the family Characidae (Teleostei: Characiformes): from characters to taxonomy, Neotropical Ichthyology 8 (3), pp. 385-568 : 509

Autapomorphies of Hyphessobrycon pulchripinnis :

1. Contact between frontals anteriorly to frontal fontanel (21): (0> 1) present. Reversal of synapomorphy 4 of node 206. Paralleled in Bario steindachneri , Exodon paradoxus , Galeocharax humeralis , and Odontostoechus lethostigmus . Some trees: Paralleled in Knodus breviceps .

2. Fourth infraorbital (66): (0> 1) absent or much reduced and bordered posteriorly by third and fifth infraorbitals. Paralleled in the Aphyocharacinae and Gasteropelecidae , in node 186, and in Aphyodite grammica , Hasemania nana , Hemigrammus erythrozonus , Hoplocharax goethei , and Nematobrycon palmeri .

3. Lateral coverage of dilator fossa by sixth infraorbital (69): (1> 0) almost complete, at least in its ventral border. Paralleled in Stethaprion erythrops .

4. Number of cusps of anterior maxillary teeth (139): (0> 1) five or more cusps. Paralleled in the Rhoadsiinae , in nodes 273, 283, and 294, and in Bramocharax bransfordii , Brycon orbignyanus , Gymnocharacinus bergii , Hemibrycon dariensis , and Odontostoechus lethostigmus . Some trees: Paralleled in node 246.

5. Relative length of palatine (172): (0> 1) distinctly longer than one-half length of ectopterygoid. Paralleled in nodes 197, 261, and 302 and in Paracheirodon axelrodi .

6. Number of gill rakers on first hypobranchial and ceratobranchial (196): (0> 1) ten or fewer. Paralleled in the Characinae and in Bryconops melanurus , Iguanodectes geisleri , and Moenkhausia sanctaefilomenae . Some trees: Paralleled in node 196 and in Hemigrammus erythrozonus and Hyphessobrycon herbertaxelrodi .