Results 181 to 190 of about 1,299 (195)

Comparisons of dental morphology in river stingrays (Chondrichthyes: Potamotrygonidae) with new fossils from the middle Eocene of Peruvian Amazonia rekindle debate on their evolution

Die Naturwissenschaften, 2013
Sylvain Adnet, Pierre-Olivier Antoine
exaly  

Hematological parameters of three freshwater stingray species (Chondrichthyes: Potamotrygonidae) in the middle Rio Negro, Amazonas state

Biochemical Systematics and Ecology, 2016
Santos, M Q C, Jackson Pantoja-Lima, Marcos Tavares Dias   +2 more
exaly  

Bolivian Freshwater Stingrays (Potamotrygonidae): Species Characterization and Taxonomic Knowledge Update

Journal of Ichthyology
H. Torrico-Destre, M. Careaga, F. M. Carvajal-Vallejos   +2 more
openaire   +1 more source

Activity and habitat use of two species of stingrays (Myliobatiformes: Potamotrygonidae) in the upper Paraná River basin, Southeastern Brazil

Neotropical Ichthyology, 2012
Domingos Garrone Neto
exaly  

Phylogeography and conservation genetics of the Amazonian freshwater stingray Paratrygon aiereba Müller & Henle, 1841 (Chondrichthyes: Potamotrygonidae)

Neotropical Ichthyology, 2012
Renata Guimarães Frederico, Izeni Farias, Patricia Charvet-Almeida   +2 more
exaly  

Preliminary data on the feeding habits of the freshwater stingrays Potamotrygon falkneri and Potamotrygon motoro (Potamotrygonidae) from the Upper Paraná River basin, Brazil

Biota Neotropica, 2007
Virgínia Sanches Uieda
exaly  

Stingrays, Parasites, and Neotropical Biogeography: A Closer Look at Brooks et al.'s Hypotheses Concerning the Origins of Neotropical Freshwater Rays (Potamotrygonidae)

Systematic Biology, 1997
Nathan R Lovejoy
exaly  

Potamotrygon boesemani (Chondrichthyes: Myliobatiformes: Potamotrygonidae), a new species of Neotropical freshwater stingray from Surinam

Neotropical Ichthyology, 2008
Ricardo S. Rosa, Marcelo R De Carvalho
exaly  

[Lesions produced by Potamotrygonidae in Venezuelan rivers].

Dermatologia internationalis, 1968
openaire   +1 more source

First report and description of a Cyrilia sp. (Apicomplexa: Haemogregarinidae) from a freshwater Cururu Stingray Potamotrygon cf. histrix (Elasmobranchii: Potamotrygonidae), from the Amazon Region, Brazil

Journal of Fish Diseases, 2016
exaly