@ARTICLE{TreeBASE2Ref19387, author = {Vincent S Smith and Tom Ford and Kevin P Johnson KP and Paul C.D. Johnson P and Kazunori Yoshizawa and Jessica E Light}, title = {Multiple lineages of lice pass through the K-Pg boundary}, year = {2011}, keywords = {Phthiraptera, Evolution, Cospeciation, Molecular Dating, Fossils}, doi = {}, url = {http://}, pmid = {}, journal = {Biology Letters}, volume = {}, number = {}, pages = {}, abstract = {For modern lineages of birds and mammals, few fossils have been found that predate the K-Pg boundary. However, molecular studies using fossil calibrations have shown that many of these lineages existed at that time. Both birds and mammals are parasitized by obligate ectoparasitic lice (Insecta: Phthiraptera), which have shared a long coevolutionary history with their hosts. Evaluating whether many lineages of lice passed through the K-Pg boundary would provide insight into the radiation of their hosts. Using molecular dating techniques we demonstrate that the major louse suborders began to radiate before the K-Pg boundary. These data lend support to a Cretaceous diversification of many modern bird and mammal lineages. } }

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