Monotremes as Pretribosphenic Mammals

@article{Woodburne2004MonotremesAP,
  title={Monotremes as Pretribosphenic Mammals},
  author={Michael O Woodburne},
  journal={Journal of Mammalian Evolution},
  year={2004},
  volume={10},
  pages={195-248}
}
An abundance of evidence points to the conclusion that monotremes are phyletically allied with pretribosphenic, rather than with tribosphenic, mammals. Monotremes do not have a tribosphenic dentition. Character analyses that apply tribosphenic cusp terminology to monotreme dentitions are implicitly limited thereby. A review of the molar dentition of living and fossil monotremes suggests that upper molars are composed of a strongly developed pretribosphenic paracone and metacone and a series of… CONTINUE READING
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