1907 in paleontology

Archosaurs

• Wieland claims to have found stegosaur gastroliths.
• Brown argues that Wieland's alleged stegosaur gastroliths were "not associated with the stegosaur bones in question."
• Possible hadrosaur gastroliths documented.

Newly named ornithodirans

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Scleromochlus	gen. et sp. nov	Valid	Woodward	Late Triassic	Lossiemouth Sandstone	Scotland Synapsids Non-mammalian Name Novelty Status Authors Age Unit Location Notes Images Arnognathus Gen. et. sp. nov Valid Broom Late Permian Cistecephalus Assemblage Zone South Africa