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Kvam, T.
Supernumerary teeth in the european lynx Lynx lynx lynx and their evolutionary significance
1985  Journal of Zoology (206): 17-22

Supernumerary upper 2nd deciduous premolars and lower 2nd molars are reported in lynx, L. l. lynx (L.), from Norway at frequencies comparable with the situation reported from lynx populations in other countries. Others have interpreted these anomalies as true atavisms in response to altered environmental conditions, and consequently as being contradictory with Dollo's law. An alternative interpretation of the appearance of supernumerary teeth is suggested which brings such phenomena in line with Dollo's law and the recent modern synthesis of evolution.

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