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The Advanced Dinosaur Egg Guide Please share this with those who have egg questions. When possible, technical terms were avoided or defined. Every effort has been made to ensure accuracy, but it is always important to do your own research. This guide is merely a snapshot of information taken from many scientific publications. I am not an expert on eggs, rather I just love sharing what little I have learned over the years, what science has learned over the years. For an overview on how to spot a fossilized dinosaur egg and the sizes of eggs, see the basic guide:
The eggs were preserved standing up, vertically and obliquely in siltstone. Eggshells are very thin and smooth on the outer surface. The thickness of the eggshell is between 0.6 and 0.9 mm. The eggs are 105– 116 mm long and 36–48 mm wide. Possibly Prismatoolithus gebiensis Zhao & Li, 1993. Prismatoolithus eggs likely belonged to troodontids. Lit.: Xinquan Liang, Shunv Wen, Dongsheng Yang, Shiquan Zhou, Shichong Wu (2009) Dinosaur eggs and dinosaur egg-bearing deposits (Upper Cretaceous) of Henan Province, China: Occurrences, palaeoenvironments, taphonomy and preservation
Troodontids certainly are one of my favorite dinosaur families. Intelligent and what a set of chompers to eat you with, all you can ask for in a cool dinosaur. Will start this with the Pectinodon teeth in my collection and will continue to add as I take photos. This species has some of the coolest teeth. Pectinodon bakkeri is the only named Troodontid in the Hell Creek and Lance Formations. This is a tooth taxon and its teeth are significantly much smaller than its big cousin Troodon formosus. Lance Formation Hell Creek