Selachii
National Institutes of Health
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Key-words: Hybodontidae; Upper Jurassic; Lourinha.
Hybodontidae teeth and spines from the Lourinha Formation, Sobral unit are…
Les proprietes enzymatiques des blastemes premusculaires branchiaux chez les embryons de poulet et de souris permettent de les…
T h e author describes a new species of squaloid shark of the genus Somniosus LESUEUR, 1818 from the waters of Bay of Biscay. T h…
Summary1.The prey capture behaviour and the associated electric organ discharge of Torpedo marmorata were analysed. A method was…
THE upward forces produced by the heterocercal tails of two species of Selachii, moving transversely through water at various…