"Beipiaognathus" (meaning Beipiao jaw) is a dubious genus of coelurosaurian theropod from the Early Cretaceous Yixian Formation of Liaoning, China. The type species is "Beipiaognathus jii" and it was named and described by Hu et al. in 2016. The chimeric status of "Beipiaognathus" was noted in the literature for the first time by Xing et al. in 2020, in their description of Xunmenglong.
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| - Beipiaognathus (en)
- Beipiaognathus jii (es)
- Beipiaognathus (it)
- Beipiaognathus (nl)
- 北票頜龍屬 (zh)
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| - Beipiaognathus jii (""mandíbula de Bepiao de Ji) es la única especie conocida del género dudoso extinto Beipiaognathus de dinosaurio terópodo celurosaurio, que vivió durante el Aptiense, hace aproximadamente entre 125 a 121 millones de años en lo que es hoy Asia. (es)
- Beipiaognathus jii is een theropode dinosauriër, behorend tot de Coelurosauria, die tijdens het vroege Krijt leefde in het gebied van het huidige China. (nl)
- Beipiaognathus (il cui nome significa "mascella di Beipiao") è un genere dubbio di dinosauro teropode compsognathide vissuto nel Cretaceo inferiore in quella che oggi è la Formazione Yixian, nella Provincia di Liaoning, Cina. (it)
- 北票颌龙（属名：Beipiaognathus，意为北票市的颚）是虚骨龙类可疑的一属，化石在中国辽宁早白垩世的义县组发现。 该属最初根据以下两个特征而分配至美颌龙科：扇形的背部神经棘和手部健壮的I-1指骨。但是，北票颌龙在其他方面也和其它美颌龙科不同：牙齿呈和圆锥形；尺骨成比例延长；手部II-1指骨更长、更坚固；尾巴更短。 義大利古生物學家安德里亚·考尔（Andrea Cau）非正式的指出其化石存在许多疑点，表明它是人为组装的，使标本成为系统发育上无信息的嵌合体。另外，他认为该属的特征并非美颌龙科所独有的，因为在似鸟龙下目和伤齿龙科动物中也能看到扇形神经棘，在阿瓦拉慈龙类中也能看到坚固的I-1指骨。 (zh)
- "Beipiaognathus" (meaning Beipiao jaw) is a dubious genus of coelurosaurian theropod from the Early Cretaceous Yixian Formation of Liaoning, China. The type species is "Beipiaognathus jii" and it was named and described by Hu et al. in 2016. The chimeric status of "Beipiaognathus" was noted in the literature for the first time by Xing et al. in 2020, in their description of Xunmenglong. (en)
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| - "Beipiaognathus" (meaning Beipiao jaw) is a dubious genus of coelurosaurian theropod from the Early Cretaceous Yixian Formation of Liaoning, China. The type species is "Beipiaognathus jii" and it was named and described by Hu et al. in 2016. The genus was initially assigned to the Compsognathidae by Hu et al. (2016) based on the presence of two traits: fan-shaped dorsal neural spines and a robust I-1 phalanx on the hand. However, it also differs from other compsognathids in several ways: the teeth are unserrated and conical; the ulna is proportionally longer; the II-1 phalanx on the hand is longer and more robust; and the tail is much shorter. However, Andrea Cau informally noted a number of points in the fossil that are indicative of it having been artificially assembled, thus rendering the specimen a phylogenetically uninformative chimaera. Additionally, he argued that the characters cited are not unique to compsognathids, with fan-shaped neural spines being also seen in ornithomimosaurs and the troodontid Sinovenator, and the robust I-1 phalanx also being seen in alvarezsaurids. He also argued that in one case, there has been reportedly found a coracoid in the tail, but maybe that was the way it died, or it belonged to another dinosaur separate from "Beipiaognathus". The chimeric status of "Beipiaognathus" was noted in the literature for the first time by Xing et al. in 2020, in their description of Xunmenglong. (en)
- Beipiaognathus jii (""mandíbula de Bepiao de Ji) es la única especie conocida del género dudoso extinto Beipiaognathus de dinosaurio terópodo celurosaurio, que vivió durante el Aptiense, hace aproximadamente entre 125 a 121 millones de años en lo que es hoy Asia. (es)
- Beipiaognathus jii is een theropode dinosauriër, behorend tot de Coelurosauria, die tijdens het vroege Krijt leefde in het gebied van het huidige China. (nl)
- Beipiaognathus (il cui nome significa "mascella di Beipiao") è un genere dubbio di dinosauro teropode compsognathide vissuto nel Cretaceo inferiore in quella che oggi è la Formazione Yixian, nella Provincia di Liaoning, Cina. (it)
- 北票颌龙（属名：Beipiaognathus，意为北票市的颚）是虚骨龙类可疑的一属，化石在中国辽宁早白垩世的义县组发现。 该属最初根据以下两个特征而分配至美颌龙科：扇形的背部神经棘和手部健壮的I-1指骨。但是，北票颌龙在其他方面也和其它美颌龙科不同：牙齿呈和圆锥形；尺骨成比例延长；手部II-1指骨更长、更坚固；尾巴更短。 義大利古生物學家安德里亚·考尔（Andrea Cau）非正式的指出其化石存在许多疑点，表明它是人为组装的，使标本成为系统发育上无信息的嵌合体。另外，他认为该属的特征并非美颌龙科所独有的，因为在似鸟龙下目和伤齿龙科动物中也能看到扇形神经棘，在阿瓦拉慈龙类中也能看到坚固的I-1指骨。 (zh)
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