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| ZHANG,JIALIANG; WANG,XIAOLIN; WANG,QIANG; JIANG,SHUNXING; CHENG,XIN; LI,NING; QIU,RUI. |
| ABSTRACT A new saurolophine hadrosaurid, Laiyangosaurus youngi gen. et sp. nov. is described and phylogenetically analyzed based on several cranial elements from the Jingangkou Formation, Wangshi Group, Upper Cretaceous of Laiyang, Shandong, China. Laiyangosaurus youngi differs from other members of the saurolophine clade on the basis of a number of autapomorphies, including a prominent and narrow ridge on the lateral side of the nasal which forms the posterodorsal and posterior margin of the circumnasal depression, a primary ridge that runs along most of the maxillary tooth row that is slightly deflected posteriorly, a retroarticular process of the surangular that is dorsolateroposteriorlly recurved, and orbital margins that are wider than the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Upper Cretaceous; Wangshi Group; Laiyangosaurus youngi; Saurolophinae; Shandong; China. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000400503 |
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