A histological study of the lingual molariform teeth in Hyperopisus bebe (Mormyridae; Osteoglossomorpha)

François J. Meunier, Damien Germain & Olga Otero
The molariform teeth of the mormyrid fish Hyperopisus bebe display a cone of orthodentine overlaid at their tip by a thick layer of enameloid (= acrodine). The teeth are fixed on a cellular bony tissue. This organization is classical for an actinopterygian and fits with the pattern classically observed in other osteoglossiform fishes. The presence of plicidentine and the hyoid tooth and tooth-plate morphology of this species may be related with crushing feeding habits.
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