2019
DOI: 10.1038/s41598-019-41325-8
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Abstract: The Prince Creek Formation of Alaska, a rock unit that represents lower coastal plain and delta deposits, is one of the most important formations in the world for understanding vertebrate ecology in the Arctic during the Cretaceous. Here we report on an isolated cranial material, supraoccipital, of a lambeosaurine hadrosaurid from the Liscomb Bonebed of the Prince Creek Formation. The lambeosaurine supraoccipital has well-developed squamosal bosses and a short sutural surface with the exoccipital-opisthotic co… Show more

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Cited by 14 publications
(11 citation statements)
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“…The hadrosaurine supraoccipitals (DMNH 22807, UAMES 4291, UAMES 12727 UAMES 21544) lack squamosal bosses and are anteroposteriorly elongated (Fig 7E-7H), unlike in lambeosaurines including a recently-described lambeosaurine supraoccipital from the Liscomb bonebed locality [10]. The dorsolateral surfaces of the supraoccipital are excavated for contact with the posterolateral processes of the parietals.…”
Section: Supraoccipitalmentioning
confidence: 98%
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“…The hadrosaurine supraoccipitals (DMNH 22807, UAMES 4291, UAMES 12727 UAMES 21544) lack squamosal bosses and are anteroposteriorly elongated (Fig 7E-7H), unlike in lambeosaurines including a recently-described lambeosaurine supraoccipital from the Liscomb bonebed locality [10]. The dorsolateral surfaces of the supraoccipital are excavated for contact with the posterolateral processes of the parietals.…”
Section: Supraoccipitalmentioning
confidence: 98%
“…The supraoccipital-exoccipital shelf is moderately elongated posteriorly unlike in lambeosaurines which are extremely reduced [10]. The anterior margin of the occipital plate defines the posterior half of the common opening for the fenestra ovalis and the adjacent metotic foramen for the glossopharyngeal nerve (CN IX) [69,70].…”
Section: Exoccipitalmentioning
confidence: 99%
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