I'm an undergraduate student doing research on the cerebellum of different animal classes and when it comes to herps I've hit a snag. Thought maybe throwing a lifeline on here might help.

The research I'm doing requires data on either the mass or volume of both the total brain and the cerebellum. I'm looking for data on both reptiles and amphibians. The goal being to get the percentage of the cerebellum to the total brain. If anyone could offer some advice on who to contact or possible sources for this information I would be truly greatful.

Thank you for reading