Selachii
National Institutes of Health
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Here we present a mitogenomic perspective on the evolution of sharks and rays, being a first glance on the complete mitochondrial…
Key-words: Hybodontidae; Upper Jurassic; Lourinha.
Hybodontidae teeth and spines from the Lourinha Formation, Sobral unit are…
The neurohypophysial hormones of the ratfish (Hydrolagus colliei), a species belonging to the subclass Holocephali of…
The genera Hemiscyllium and Chiloscyllium and their species are revised, and two new species of Chiloscyllium are described…
The central myelin of the phylogenetically ancient shark Scyllium stellare (Elasmobranchii, Selachii) was examined at the…
Description of a new genus of Sanguinicolidae, Hyperandrotrema from one Cethorhinus maximus captured on Tunisian coasts. This new…
Summary1.The prey capture behaviour and the associated electric organ discharge of Torpedo marmorata were analysed. A method was…
IN elasmobranch fishes, in which fertilization is internal, the caudal portion of the pelvic fin of the male is prolonged to form…
1. The following significant facts have been pointed out: