A palatal organ, possibly used for food sorting and processing, has previously been identied amongthe vomerine toothplates of the chimaeroid Chimaera monstrosa. In this study, the palatal organ wasdescribed in six additional species, conrming it is a widespread trait among holocephalans. It is pro-posed that this palatal structure, which appears to differ in shape according to each chimaeroid’s degreeof durophagy and is not homologous to the palatal structure described in teleosts, be hereby referredto as Vacchi’s organ
Vacchi’s palatal organ: a widespread trait in Holocephali
MASINI, MARIA ANGELA;
2018-01-01
Abstract
A palatal organ, possibly used for food sorting and processing, has previously been identied amongthe vomerine toothplates of the chimaeroid Chimaera monstrosa. In this study, the palatal organ wasdescribed in six additional species, conrming it is a widespread trait among holocephalans. It is pro-posed that this palatal structure, which appears to differ in shape according to each chimaeroid’s degreeof durophagy and is not homologous to the palatal structure described in teleosts, be hereby referredto as Vacchi’s organFile in questo prodotto:
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