The Yixian Formation (simplified Chinese: 义县组; traditional Chinese: 義縣組; pinyin: Yìxiàn zǔ; formerly transcribed as Yihsien Formation) is a geological...

The Yixian Formation (simplified Chinese: 义县组; traditional Chinese: 義縣組; pinyin: Yìxiàn zǔ) is a geological formation in Jinzhou, Liaoning, People's Republic...

Prefecture of Yixian, near Beijing and Baoding Yi County, Shandong, now Yicheng District, Zaozhuang Yixian Formation, a geological formation in Liaoning...

1999 Yixian Formation, China, Early Cretaceous (Aptian) (initially interpreted as an angiosperm) Chengia Yang, Lin & Wang, 2013, Yixian Formation, China...

hatchlings. An embryo, still curled in its egg, has been reported from the Yixian Formation. Juvenile specimens can be identified by a combination of factors:...

shangyuanensis (Dinosauria, Ornithischia) from the Lower Cretaceous Yixian Formation of China". Journal of Vertebrate Paleontology. 32 (6): 1370–1395. Bibcode:2012JVPal...

Cretaceous Hell Creek Formation. Other important Cretaceous exposures occur in Europe (e.g., the Weald) and China (the Yixian Formation). In the area that...

Liadroporus Prokin & Ren, 2010 Yixian Formation, China, Early Cretaceous (Aptian) † Liadytiscus Prokin & Ren, 2010 Yixian Formation, China, Aptian † Mesoderus...

lowest beds of the Yixian Formation. Over 200 specimens attributed to this genus have been recovered from these and other beds of the Yixian, the age of which...

Jepson et al. 2018 Karabastau Formation, Kazakhstan, Middle/Late Jurassic †Sinomesomantispa Jepson et al. 2013 Yixian Formation, China, Aptian Allomantispa...

Palaeocambarus, known from the Early Cretaceous (Barremian-Aptian) Yixian Formation of China. "Crayfishes from the Jehol biota". Geodiversitas. 45 (24):...

the Lower Cretaceous ecosystem which left fossils in the Yixian Formation and Jiufotang Formation. These deposits are composed of layers of tephra and sediment...

Hassberge Formation, Germany, Late Triassic (Carnian) Brachygastriops Dabeigou Formation, China, Late Jurassic or Early Cretaceous Chenops Yixian Formation, China...

It may correlate with the early Cretaceous Dadianzi Formation and parts of the Yixian Formation, with an age range between 140 and 122 Ma ago. It contains...

1999 Yixian Formation, China, Early Cretaceous (Aptian) (initially interpreted as an angiosperm) Chengia Yang, Lin & Wang, 2013, Yixian Formation, China...

Cretaceous period. It was among the first dinosaurs discovered from the Yixian Formation in Liaoning Province, and was a member of the Jehol Biota. Well-preserved...

prehistoric life, geological formations, fossil record Yixian Formation Callovian formations Tiourarén Formation, fossiliferous formation of Niger Qiketai, Toutunhe...

Lü, J.C.; B.K. Zhang (2005). "New pterodactyloid pterosaur from the Yixian Formation of western Liaoning". Geological Review. 51 (4): 458–462. Fernandes...

early Aptian stages, ~125.4 to 118.9 Ma) in what is now the Yixian and Jiufotang Formation. The type and only species, Liaoningosaurus paradoxus, is known...

Crato Formation, Brazil, Early Cretaceous (Aptian) Genus †Baissoptera Martynova, 1961 - Crato Formation, Brazil, Yixian Formation, China, Zaza Formation, Russia...

2006 Yixian Formation, China, Early Cretaceous (Barremian-Aptian) †Ashanga Zherikhin, 1985 Uda Formation, Russia, Upper Jurassic, Yixian Formation, China...

species, H. lingyuanensis from the Yixian Formation and H. baitaigouensis from both the Yixian and Jiufotang Formation of Liaoning Province, China. They...

"A dromaeosaurid dinosaur with a filamentous integument from the Yixian Formation of China". Nature. 401 (6750): 262–266. Bibcode:1999Natur.401..262X...

(including avians) are known from the Yixian Formation in Liaoning. All known theropod dinosaurs from the Yixian Formation are coelurosaurs. Many of the coelurosaurian...

scientific study. While initially considered to have come from the Yixian Formation of China, dated to approximately 125 million years ago during the early...

Q, Gao K-Q (2004) A large compsognathid from the Early Cretaceous Yixian Formation of China. J Syst Pal 2: 13–30. doi:10.1017/S1477201903001081. Therrien...

Li; Yinxian Li (2019). "A new species of Mongolarachnidae from the Yixian Formation of western Liaoning, China". Acta Geologica Sinica (English Edition)...

dinosaur from the early Cretaceous Period (late Barremian) of the Yixian Formation in what is now China. It was the fifth non–avian feathered dinosaur...

named. A large titanosaur is present in the formation. Yixian Formation List of dinosaur-bearing rock formations Endo, R. (1934). Geology and mineral resources...

earliest unambiguous eutherians are known from the Early Cretaceous Yixian Formation of China, dating around 120 million years ago. Two tribosphenic mammals...