Hasemania nana (Serra, 2003)

Mirande, Juan Marcos, 2010, Phylogeny of the family Characidae (Teleostei: Characiformes): from characters to taxonomy, Neotropical Ichthyology 8 (3), pp. 385-568 : 512

Autapomorphies of Hasemania nana :

1.Ventralextentofthirdinfraorbital(64):(1> 0) reachinghorizontal arm of preopercle. Reversal of synapomorphy 3 of node 180. Paralleled in the Heterocharacinae and Iguanodectinae , in nodes 184, 198, 225, and 302, and in Agoniates anchovia , Brycon pesu , Markiana nigripinnis , Moenkhausia sanctaefilomenae , Pseudochalceus kyburzi , Roeboexodon geryi , and Stichonodon insignis . Some trees: Reversed in node 292.

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 , Hemigrammus erythrozonus , Hoplocharax goethei , Hyphessobrycon pulchripinnis , and Nematobrycon palmeri .

3. Foramen on articular condyle of quadrate (149): (0> 1) present. Paralleled in nodes 168, 211, and 231 and in Grundulus cochae , Hyphessobrycon eques , and Lonchogenys ilisha .

4. Cartilages anterior to basihyal (188): (0> 1) two well developed blocks of cartilage. Paralleled in nodes 244 and 299 and in Hyphessobrycon bifasciatus , Metynnis maculatus , Odontostilbe microcephala , and Roeboides descalvadensis . Some trees: Paralleled in node 265.

5. Posterior margin of cleithrum (234): (1> 0) without concavity ventral to first postcleithrum.

6. Number of rays on last anal pterygiophore (291): (0> 1) one. Paralleled in Coptobrycon bilineatus .

Some trees:

7. Anterior paired projections of parasphenoid (40): (1> 0) absent. (k9-11). Paralleled in Pristella maxillaris .

8. Number of maxillary teeth (135): (1> 0) only one, or absent. (k9-11). Paralleled in the Astyanax clade, in nodes 284 and 290, and in Aulixidens eugeniae , Cheirodon interruptus , Coptobrycon bilineatus , Hyphessobrycon bifasciatus , and Iguanodectes geisleri . Some trees: Paralleled in Paracheirodon axelrodi and Parecbasis cyclolepis .

9. Number of branched pelvic-fin rays (258): (1> 0) six or less. (k9-11). Paralleled in the Aphyocharacinae , in nodes 220, 236, 280, and 302, and in Axelrodia lindeae , Cheirodon interruptus , Cyanocharax alburnus , Hollandichthys multifasciatus , Hoplocharax goethei , and Hyphessobrycon luetkenii . Some trees: Paralleled in Hyphessobrycon elachys .

10. Number of supraneurals (280): (0> 1) five or more. (k9-11). Reversal of synapomorphy 2 of node 223. Paralleled in Hemigrammus unilineatus .

11. Number of branched anal-fin rays (287): (1> 0) 17 or less. (k9-11). Reversal of synapomorphy 6 of the Characoidea . Paralleled in the Alestidae , in nodes 280 and 290, and in Attonitus ephimeros and Prodontocharax melanotus .

12. Bony hooks on fin rays (307): (1> 0) absent. (k9-11). Paralleled in the Gymnocharacinae , in nodes 207, 283, 297, and 301, and in Astyanax paris , Bryconamericus mennii , Exodon paradoxus , Inpaichthys kerri , Pseudochalceus kyburzi , and Rhoadsia altipinna . Some trees: Paralleled in Hyphessobrycon elachys .