Results 161 to 170 of about 2,170 (202)

Oldest records of stingray spines (Chondrichthyes, Myliobatiformes)

Journal of Vertebrate Paleontology, 2010
The superorder Batomorphii is the most derived among elasmobranches and is composed of cartilaginous fishes with dorsoventrally flattened bodies.
Josep Marmi, Oriol Oms, \u00c0ngel \u00c0 Galobart   +2 more
exaly   +2 more sources

Molecular phylogeny for the Neotropical freshwater stingrays (Myliobatiformes: Potamotrygoninae) reveals limitations of traditional taxonomy

Biological Journal of the Linnean Society, 2021
Abstract The subfamily Potamotrygoninae, the only extant clade of elasmobranchs exclusive to freshwater environments, encompasses four genera and 38 species distributed across almost every major South American river basin. Despite their importance in the ornamental fish trade, the taxonomy and evolutionary relationships within ...
Nathan R Lovejoy, Matthew A Kolmann, Fernando Marques   +2 more
exaly   +2 more sources

Molecular phylogenetics of myliobatiform fishes (Chondrichthyes: Myliobatiformes), with comments on the effects of missing data on parsimony and likelihood

Molecular Phylogenetics and Evolution, 2003
Mitochondrial DNA sequences from the 12S rRNA gene, four tRNA genes, and a portion of two protein coding genes were used to investigate the relationship of myliobatoid genera. In addition, we conducted an investigation of the sister group to the freshwater stingrays by sampling additional DNA sequences from GenBank. Consequently, two datasets were used
Katherine A, Dunn, John D, McEachran, Rodney L, Honeycutt   +2 more
openaire   +2 more sources

A new Myliobatiformes (Chondrichthyes, Batoidea) from the Miocene of Río Negro Province, Argentina and a review of the fossil Myliobatiformes of Argentina

Historical Biology
We report a dental plate belonging to a Myliobatiformes (Chondrichthyes, Batoidea) from the Gran Bajo del Gualicho Formation (Saladar Member; Upper Early Miocene-Lower Middle Miocene) located in the Gran Bajo del Gualicho locality, Río Negro Province, Argentina.
de Pasqua, Julieta Jazmín, Aranciaga Rolando, Alexis Mauro, Agnolin, Federico, Gaetano, Leandro Carlos, Bogan, Sergio   +4 more
exaly   +3 more sources

STINGRAYS AND RELATED SPECIES MYLIOBATIFORMES

2020
exaly   +2 more sources

Myliobatiformes

1998
exaly   +2 more sources

Encephalization and Brain Organization of Mobulid Rays (Myliobatiformes, Elasmobranchii) with Ecological Perspectives [PDF]

The Open Anatomy Journal, 2011
Csilla Ari
exaly   +2 more sources

Systematic implications of brain morphology in potamotrygonidae (Chondrichthyes: Myliobatiformes)

Journal of Morphology, 2015
ABSTRACTThe gross brain morphology, brain proportions, and position of cranial nerves in all four genera (Potamotrygon, Plesiotrygon, Paratrygon, and Heliotrygon) and 11 of the species of the Neotropical stingray family Potamotrygonidae were studied to provide new characters that may have a bearing on internal potamotrygonid systematics.
João Pedro, Fontenelle, Marcelo R, de Carvalho   +1 more
openaire   +2 more sources

Gastric lavage as a non-lethal method for stingray (Myliobatiformes) diet sampling

African Journal of Marine Science, 2015
Understanding the trophic interactions of ecologically important mesopredators such as Myliobatiformes (stingrays) is vital, but, given their susceptibility to overexploitation, the collection of stomach contents for dietary analysis necessitates the use of non-lethal methods.
Paul D Cowley
exaly   +3 more sources

Three new stingrays (Myliobatiformes: Dasyatidae) from the Indo–West Pacific

Zootaxa, 2016
Three undescribed stingrays were discovered as part of a broader revision of the family Dasyatidae that formed part of the Chondrichthyan Tree of Life project. This research forms part of a sequence of papers on rays aimed at describing unnamed species for inclusion in a multi-authored guide to rays of the world.
Last, Peter R., White, William T., Naylor, Gavin   +2 more
openaire   +2 more sources