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the morphology of this bone corresponds with some type of medium-sized raptor
It can be seen how part of its thin outer layer (the enamel) has lost by erosion and has exposed the underlying layer of dentine
a recent publication by Vincent et al
Apart from the main tooth it can be observed as it preserves an emerging germ replacement tooth
Amazing plate with three specimens of this new species of the genus Syphysurus published very recently
20336 - Beautiful 2.26 Inch Pyrite Crystals on Calcite from El Hammam Mine - Morocco Cleoniceras the morphology of this boneThe mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2 (iron(II) disulfide). Pyrite is considered the most common of the sulfide minerals. Pyrite's metallic luster and pale brass yellow hue give it a superficial resemblance to gold, hence the well known nickname of fool's gold. The color has also led to the nicknames brass, brazzle, and Brazil, primarily used to refer to pyrite found in coal.