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1por Avrahami, Haviv M., Gates, Terry A., Heckert, Andrew B., Makovicky, Peter J., Zanno, Lindsay E.“…We further provide the first descriptions of tyrannosauroid premaxillary teeth and document the earliest North American record of adocid remains, extending the appearance of this ancestrally Asian clade by 5 million years in western North America and supporting studies of pre-Cenomaninan Laurasian faunal exchange across Beringia. …”
Publicado 2018
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2por Zanno, Lindsay E., Varricchio, David J., O'Connor, Patrick M., Titus, Alan L., Knell, Michael J.“…Despite a diverse Asian representation with remarkable growth in recent years, the North American record of the clade remains poor, with only one controversial species—Troodon formosus—presently known from substantial skeletal remains. …”
Publicado 2011
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