Results 131 to 140 of about 1,823 (231)

Two New Tetraphyllidean Cestodes from \u3ci\u3ePotamotrygon circularis\u3c/i\u3e Garman (Chondrichthyes: Potamotrygonidae) in the Itacnai River, Brazill [PDF]

open access: yes, 1981
The new genus Rhinebothroides is proposed to include three species of Rhinebothriumlike cestodes parasitizing freshwater stingrays in South America. They differ from Rhinebothrium species by having squared rather than elongate bothridia, by possessing ...
Brooks, Daniel R.   +2 more
core   +1 more source

Primer registro de la raya manzana, Paratrygon aiereba (Müller & Henle, 1841) (Batoidea: Potamotrygonidae) para el río Bita, Orinoquía, Colombia

open access: yesLatin American Journal of Aquatic Research, 2013
La raya manzana Paratrygon aiereba ha sido confirmada en Colombia para la cuenca del Orinoco en los ríos Meta, Inírida, Tomo, Orinoco y bajo río Arauca. Este estudio la reporta por primera vez para el río Bita, a partir de una hembra grávida capturada en
Luis A Muñoz-Osorio   +1 more
doaj  

DNA barcode reveals the illegal trade of rays commercialized in fishmongers in Brazil. [PDF]

open access: yesForensic Sci Int Synerg, 2020
Camacho-Oliveira RB   +6 more
europepmc   +1 more source

Morphological, cytochemical and ultrastructural aspects of blood cells in freshwater stingray species in the middle Rio Negro basin of Amazonian Brazil. [PDF]

open access: yesSci Rep, 2021
de Oliveira AT   +7 more
europepmc   +1 more source

Landscape dynamics and diversification of the megadiverse South American freshwater fish fauna. [PDF]

open access: yesProc Natl Acad Sci U S A, 2023
Cassemiro FAS   +20 more
europepmc   +1 more source

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