Paratrygon aiereba
|
Brazil/ Amazon basin
|
middle Negro River |
90 |
- |
Valentim et al., 2006Valentim FCS, Falcão JN, Porto JIR and Feldberg E (2006) Chromosomes of three freshwater stingrays (Rajiformes, Potamotrygonidae) from the Rio Negro Basin, Amazon, Brazil. Genetica 128:33-39.
|
Plesiotrygon iwamae
|
Brazil/ Amazon basin
|
middle Negro River |
74 |
- |
Valentim et al., 2019Valentim FCDS, Porto JIR and Feldberg E (2019) Chromosomal characterization of Amazonian freshwater stingrays with evidence for new karyomorphs and XX/XY sex chromosomes. Genet Mol Biol 42:578-593.
|
Potamotrygon amazona
|
Brazil/ Amazon basin
|
middle Negro River |
66♂ |
XY (?) |
Valentim et al., 2019Valentim FCDS, Porto JIR and Feldberg E (2019) Chromosomal characterization of Amazonian freshwater stingrays with evidence for new karyomorphs and XX/XY sex chromosomes. Genet Mol Biol 42:578-593.
|
Potamotrygon constellata
|
Brazil/ Amazon basin
|
Solimões River |
66♀ |
- |
Valentim et al., 2019Valentim FCDS, Porto JIR and Feldberg E (2019) Chromosomal characterization of Amazonian freshwater stingrays with evidence for new karyomorphs and XX/XY sex chromosomes. Genet Mol Biol 42:578-593.
|
Potamotrygon falkneri
|
Brazil/ Paraná basin
|
upper Paraná River |
66♀ / 65♂ |
X1X1X2X2/X1X2Y |
Cruz et al., 2011Cruz VP, Shimabukuro-Dias CK, Oliveira C and Foresti F (2011) Karyotype description and evidence of multiple sex chromosome system X1X1X2X2/X1X2Y in Potamotrygon aff. motoro and P. falkneri (Chondrichthyes: Potamotrygonidae) in upper Paraná River basin, Brazil. Neotrop Ichthyol 9:201-208.
|
Potamotrygon leopoldi
|
Brazil/ Amazon basin
|
Xingu River |
64 |
- |
Valentim et al., 2019Valentim FCDS, Porto JIR and Feldberg E (2019) Chromosomal characterization of Amazonian freshwater stingrays with evidence for new karyomorphs and XX/XY sex chromosomes. Genet Mol Biol 42:578-593.
|
Potamotrygon motoro
|
Brazil/ Amazon basin
|
middle Negro River |
66 |
- |
Valetim et al., 2006 |
|
Brazil/ Amazon basin
|
Amazonas River |
66 ♀ / 65 ♂ |
XX/X0 |
This study |
Potamotrygon amandae
|
Argentina/ Paraná basin
|
Paraná River |
66 ♀ / 65 ♂ |
X1X1X2X2/X1X2Y |
Aichino et al., 2013Aichino DR, Pastori MC, Roncati HA, Ledesma MA, Swarça AC and Fenocchio AS (2013) Characterization and description of a multiple sex chromosome system in Potamotrygon motoro (Chondrichtyes, Myliobatiformes) from the Paraná River Argentina. Genet Mol Res2:2368-2375.
|
Potamotrygon amandae
|
Brazil/ Paraná basin
|
upper Paraná River |
66♀ / 65♂ |
X1X1X2X2/X1X2Y |
Cruz et al., 2011Cruz VP, Shimabukuro-Dias CK, Oliveira C and Foresti F (2011) Karyotype description and evidence of multiple sex chromosome system X1X1X2X2/X1X2Y in Potamotrygon aff. motoro and P. falkneri (Chondrichthyes: Potamotrygonidae) in upper Paraná River basin, Brazil. Neotrop Ichthyol 9:201-208.
|
Potamotrygon sp.
|
Brazil/ Amazon basin
|
Amazonas River |
66 |
- |
This study |
Potamotrygon orbignyi
|
Brazil/ Amazon basin
|
Xingu River |
66 |
XX/XY |
Valentim et al., 2019Valentim FCDS, Porto JIR and Feldberg E (2019) Chromosomal characterization of Amazonian freshwater stingrays with evidence for new karyomorphs and XX/XY sex chromosomes. Genet Mol Biol 42:578-593.
|
Potamotrygon scobina
|
Brazil/ Amazon basin
|
Solimões River |
66♂ |
XY (?) |
Valentim et al., 2019Valentim FCDS, Porto JIR and Feldberg E (2019) Chromosomal characterization of Amazonian freshwater stingrays with evidence for new karyomorphs and XX/XY sex chromosomes. Genet Mol Biol 42:578-593.
|
Potamotrygon wallacei
|
Brazil/ Amazon basin
|
middle Negro River |
67♀ / 68♂ |
XX/X0 |
Valentim et al., 2013Valentim FCS, Porto JIR, Bertollo LAC, Gross MC and Feldberg E (2013) XX/XO, a rare sex chromosome system in Potamotrygon freshwater stingray from the Amazon Basin, Brazil. Genetica 141:381-387.
|
Potamotrygon aff. wallacei
|
Brazil/ Amazon basin
|
middle Negro River |
68♀ |
- |
Valentim et al., 2019Valentim FCDS, Porto JIR and Feldberg E (2019) Chromosomal characterization of Amazonian freshwater stingrays with evidence for new karyomorphs and XX/XY sex chromosomes. Genet Mol Biol 42:578-593.
|