Roeboides microlepis (Lucena, 2003)
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publication ID |
https://doi.org/10.1590/S1679-62252010000300001 |
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persistent identifier |
https://treatment.plazi.org/id/FD4787B0-0168-FFD4-FCBE-FA43C047A13C |
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treatment provided by |
Carolina |
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scientific name |
Roeboides microlepis |
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Autapomorphies of Roeboides microlepis View in CoL :
1. Form of orbitosphenoid (37): (0> 1) massive, almost reaching parasphenoid ventrally. Reversal of synapomorphy 1 of the Characidae . Paralleled in node 193 and in Markiana nigripinnis and Rhaphiodon vulpinus .
2. Length of medial bony ridge of opercle (170): (1> 0) 60% or greater than opercular length. Paralleled in the Serrasalmidae , in node 210, and in Astyanax abramis , Creagrutus cf. taphorni , and Hoplias cf. malabaricus . Some trees: Paralleled in Acestrorhynchus pantaneiro and Salminus brasiliensis .
3. Suprapreopercle (175): (0> 1) autogenous, separated from preopercle. Paralleled in nodes 210 and 302 and in Markiana nigripinnis and Rhaphiodon vulpinus .
4. Circulii on posterior field of scales (319): (1> 0) present. Reversal of synapomorphy 3 of node 206. Paralleled in node 261 and in Exodon paradoxus and Phenagoniates macrolepis .
5. Scales covering anal-fin base (327): (0> 1) several rows covering basal third of anal fin. Paralleled in the Serrasalmidae , in nodes 210 and 221, and in Bario steindachneri , Markiana nigripinnis , Paragoniates alburnus , Rhaphiodon vulpinus , and Thoracocharax stellatus .
6. Humeral spot (341): (0> 1) horizontally-ovate. Paralleled in node 259 and in Acestrorhynchus pantaneiro , Brycon orbignyanus , and Jupiaba mucronata .
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