Microschemobrycon casiquiare, Bohlke, 1953

Autapomorphies of Microschemobrycon casiquiare View in CoL :

1. Epiphyseal branch of supraorbital canal (84): (0> 1) absent. Paralleled in the Stevardiinae .

Some trees:

2. Contact between ectopterygoid and anterodorsal region of quadrate (162): (0> 1) absent. (k9-12). Paralleled in nodes 184 and 242, and in Aphyocharax dentatus , Engraulisoma taeniatum , Prionobrama paraguayensis , and Stichonodon insignis . Some trees: Paralleled in the Cheirodontinae .

3. Development of transverse process of neural arch of third vertebra (219): (0> 1) well developed and extending beyond anterior margin of tripus. (k 13-14). Paralleled in node 302, and in Agoniates anchovia , Cyanocharax alburnus , Deuterodon langei , Engraulisoma taeniatum , Hemiodus cf. thayeria , Roeboexodon geryi , and Thayeria obliqua. Some trees: Paralleled in Parecbasis cyclolepis .

4. Radii of scales (322): (0> 1) converging at focus. (k9-12). Reversal of synapomorphy 7 of the Characidae . Paralleled in node 273 and in Stichonodon insignis and Tetragonopterus argenteus . Some trees: Paralleled in node 302.