Odontostoechus lethostigmus, Gomes, 1947

Mirande, Juan Marcos, 2010, Phylogeny of the family Characidae (Teleostei: Characiformes): from characters to taxonomy, Neotropical Ichthyology 8 (3), pp. 385-568 : 542-543

Autapomorphies of Odontostoechus lethostigmus :

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 Hyphessobrycon pulchripinnis . Some trees: Paralleled in Knodus breviceps .

2. Premaxillary, maxillary, and dentary teeth (119): (0> 1) pedunculate and uniformly shaped. Paralleled in node 232 and in Gymnocharacinus bergii .

3. Number of rows of premaxillary teeth (122): (1> 0) one. Paralleled in node 195 and in Aulixidens eugeniae , Carlana eigenmanni , Carnegiella strigata , Grundulus cochae , Paracheirodon axelrodi , Piabucus melanostomus , and Probolodus heterostomus .

4. Form of teeth of inner premaxillary tooth row (128): (0> 1) with cusps aligned in straight series and without anterior concavity. Paralleled in the Rhoadsiinae , in nodes 195, 245, and 280, and in Hemigrammus bleheri .

5. 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 Hyphessobrycon pulchripinnis . Some trees: Paralleled in node 246.