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Acta Amazonica

Print version ISSN 0044-5967On-line version ISSN 1809-4392

Acta Amaz. vol.7 no.3 Manaus Sept. 1977 

Notas & Comunicações

Taxa de substituição horizontal de dentes no peixe-boi

Daryl P Domning1 

Diana M. Magor1 

1Instituto Nacional de Pesquisas da Amazònia, Manaus


Teeth shed from the horizontally-advancing tooth rows of captive Amazonian manatees (Trichechus inunguis) indicate a rate of tooth row movement of about 1 mm/month. The movement appears to be initiated by weaning and continues throughout life, with variations in rate correlated with overall growth rate but independent of rate of tooth wear.

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