References
- Araujo R, Castanhinha R, Martins RMS, Mateus O, Hendrickx C, Beckmann F, Schell N, Alves LC. 2013. Filling the gaps of dinosaur eggshell phylogeny: Late Jurassic theropod clutch with embryos from Portugal. Sci Rep. 3:1924.
- Azuma Y, Dong Z, Currie PJ, Hamada T, Kawagoe M, Miyagawa T, Nakajima M, Tomida Y. 1995. Dinosaurs of Tetori Group. In: Azuma Y, Kawagoe M, Miyagawa T, editors. Dinosaurs of the Tetori Group in Japan. Fukui: Fukui Prefectural Museum; p. 44–111. in Japanese.
- Azuma Y. 2003. Early Cretaceous vertebrate remains from Katsuyama City, Fukui Prefecture, Japan. Mem Fukui Prefect Dinosaur Mus. 2:17–21.
- Barta DE, Brundridge KM, Croghan JA, Jackson FD, Varricchio DJ, Jin X, Poust AW. 2014. Eggs and clutches of the Spheroolithidae from the Cretaceous Tiantai Basin, Zhejiang Province, China. Hist Biol. 26:183–194.
- Hechenleitner EM, Grellet-Tinner G, Foley M, Fiorelli LE, Thompson MB. 2016. Micro-CT scan reveals an unexpected high-volume and interconnected pore network in a Cretaceous Sanagasta dinosaur eggshell. J R Soc Interface. 13:20160008.
- Hisada KI, Takashima S, Arai S, Lee YIL. 2008. Early Cretaceous paleogeography of Korea and Southwest Japan inferred from occurrence of detrital chromian spinels. Isl Arc. 17:471–484.
- Imai T, Azuma Y 2015a. Reports on multiple types of fossil eggshells including Spheroolithus from the Kitadani Formation, Tetori group (Katsuyama, Fukui). Poster session presented at 164th General Meeting of Palaeontol Society of Japan; Jan 30–Feb 1; Aichi, Japan.
- Imai T, Azuma Y. 2015b. the oldest known avian eggshell, Plagioolithus fukuiensis, from the Lower Cretaceous (Upper Barremian) Kitadani Formation, Fukui, Japan. Hist Biol. 27:1090–1097.
- Imaoka T, Nakajima T, Itaya T. 1993. K-Ar ages of hornblendes in andesite and dacite from the Cretaceous Kanmon Group, Southwest Japan. J Mineral Petrol Econ Geol. 88:265–271.
- Isaji S. 2004. 9. Fossi Eggshell. In: Shokawa Village Board of Education, editor. Cretaceous of Shokawa Village. Gifu: Shokawa Village Board of Education; p. 44–45. in Japanese.
- Isaji S, Matsushita A 2005. Observation of fossil eggshells using a scanning electron microscope. In: Hakusan City Board of Education, editor. Report of animal fossils from Kuwajima Fossil Bluff. Hakusan (Ishikawa): Hakusan City Board of Education; p. 32–35.
- Jin X. 2013. The paleontological study of dinosaur and turtle fossil eggs from Zhejiang Province, China. Zhejiang (China). Zhejiang: Zhejiang Science and Technology Press Co., Ltd.
- Kim JY, Huh M. 2018. Dinosaurs of Korea. In: Kim JY, Huh M, editors. Dinosaurs, Birds, and Pterosaurs of Korea. Singapore: Springer Nature; p. 31–107.
- Kim SBS, Kim YY-G, Jo HRH, Jeong KSK, Chough SSK. 2009. Depositional facies, architecture and environments of the Sihwa Formation (Lower Cretaceous), Mid-west Korea with special reference to dinosaur eggs. Cretac Res. 30:100–126.
- Lee Y. 2003. Dinosaur bones and eggs in South Korea. Mem Fukui Prefect Dinosaur Mus. 2:113–121.
- Lee Y, Kim B, Lee Y, Kee W. 2007. New dinosaur eggsite found in the Namyang Basin, Hwaseong City, Gyeonggi Province. J Paleontol Soc Korea. 23:15–26. in Korean.
- Li X, Zhang C, Wang Y, Liu L. 2018. Geochronostratigraphy and relationship of the Late Mesozoic terrestrial lithostratigraphic units in South China. Acta Geol Sin. 92:1107–1130.
- Manning TW, Joysey KA, Cruickshank ARI. 1997. Observations of microstructures within dinosaur eggs from Henan Province, People’s Republic of China. In: Wolberg DL, Stump E, Rosenberg GD, editors. Dinofest Int. Philadelphia: Academy of Natural Sciences; p. 287–329.
- Matsumoto T. 1951. The Yezo Group and the Kwanmon group. J Geol Soc Japan. 57:95–98. in Japanese.
- Mikhailov K, Sabath K, Kurzanov S. 1994. Eggs and nests from the Cretaceous of Mongolia. In: Carpenter K, Hirsch K, Horner JR, editors. Dinosaur Eggs Babies. Cambridge: Cambridge University Press; p. 88–115.
- Mikhailov K. 2003. Eggs and eggshells of dinosaurs and birds from the Cretaceous of Mongolia. In: Benton M, Shishkin M, Unwin D, Kurochkin E, editors. Age dinosaur russ mong. Camridge: Cambridge University Press; p. 560–572.
- Mikhailov KE. 1997. Fossil and recent eggshell in amniotic vertebrates: fine structure, comparative morphology and classification. Palaeontological Assoc. 56:1–76
- Moreno-Azanza M, Bauluz B, Canudo JI, Mateus O. 2017. The conservative structure of the ornithopod eggshell: electron backscatter diffraction characterization of Guegoolithus turolensis from the Early Cretaceous of Spain. J Iber Geol. 43:235–243.
- Nishimura Y, Imaoka T, Kananori Y, Kamiya A. 2012. Geological map of Yamaguchi Prefecture third edition (1:150000) [geological map]. Yamaguchi: Geological Society of Yamaguchi. in Japanese.
- Tanaka K, Lü J, Kobayashi Y, Zelenitsky DK, Xu L, Jia S, Qin S, Tang M. 2011. Description and phylogenetic position of dinosaur eggshells from the Luanchuan area of Western Henan Province, China. Acta Geol Sin. 85:66–74.
- Tanaka K, Zelenitsky DK, Saegusa H, Ikeda T, DeBuhr CL, Therrien F. 2016. Dinosaur eggshell assemblage from Japan reveals unknown diversity of small theropods. Cretac Res. 57:350–363.
- Xie J, Zhang S, Jin X, Li D, Zhou L. 2016. A new type of dinosaur eggs from Early Cretaceous of Gansu Province, China. Vertebr Palasiat. 54:79–88.
- Xu X, Tang Z, Wang X. 1999. A therizinosauroid dinosaur with integumentary structures from China. Nature. 399:350–354.
- Yoshidomi K, Suzuki S. 2009. 2.7.3 Cretaceous. In: Geological Society of Japan, editor. Regional Geology of Japan: Chugoku Region. Tokyo: Asakura Publishing Co. Ltd; p. 100–108. in Japanese.
- You H, Li D, Liu W. 2011. A new hadrosauriform dinosaur from the Early Cretaceous of Gansu Province, China. Acta Geol Sin. 85:51–57.
- Zhang S, Xie J, Jin X, Du T, Huang M. 2019. New type of dinosaur eggs from Yiwu, Zhejiang Province, China and a revision of Dongyangoolithus nanmaensis. Vertebr Palasiat. 57:325–333.
- Zhao ZK, Wang Q, Zhang KS. 2015. Palaeovertebrata sinica, Vol. II, amphibians, reptilians, and avians, fascicle 7 (Ser. 11): dinosaur eggs. Beijing: Science Press. in Chinese.