Vacchi's palatal organ: a widespread trait in Holocephali

Journal of Fish Biology
B FinucciSara Ferrando

Abstract

A palatal organ, possibly used for food sorting and processing, has previously been identified among the vomerine toothplates of the chimaeroid Chimaera monstrosa. In this study, the palatal organ was described in six additional species, confirming it is a widespread trait among holocephalans. It is proposed that this palatal structure, which appears to differ in shape according to each chimaeroid's degree of durophagy and is not homologous to the palatal structure described in teleosts, be hereby referred to as Vacchi's organ.

References

Jan 28, 2003·The Journal of Experimental Biology·W Todd Callan, S Laurie Sanderson
Jan 30, 2008·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Thomas E Finger
Feb 2, 2008·Journal of the Royal Society, Interface·Daniel R HuberAdam P Summers
Oct 18, 2015·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Sara FerrandoMarino Vacchi

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