Designación del lectotipo de Potamotrygon hystrix con comentarios en torno al material heterogéneo que fundara la creación de la especie =
Subtitle: Designation of the lectotype of Potamotrygon hystrix with comments on the heterogeneous material that founded the species
By: por Mariano N. Castex.
Series: Acta scientifica ;; 5
Publisher: Departamento de Zoología, ILAFIR
Published: 1969
Place of publication: [San Miguel, Argentina
Language: spa
Number of pages: 12
Subjects: Potamotrygon hystrix -- Classification.; Potamotrygon hystrix -- Type specimens.
Other titles: Designación del lectotipo de Potamotrygon hystrix ...; Designation of the lectotype of Potamotrygon hystrix ...
Notes: Bibliography: p. 12.
Spanish and English.