1. Brachydont tooth Hypsodont tooth Animal Diversity Web discussion on Cheek Teeth Correction: Not all Hypsodont teeth are perennially growing. All are ‘high crowned’, with minimal roots- an adaptation to consumption of abrasive foods. Brachydont- extensive roots, low crown.

2. Optimization of F O : Forelimb Talpidae Scapanus orarius: Pacific Mole Geomyidae Thomomys talpoides: Northern Pocket Gopher

3. Cervids (e.g. Odocoileus) Optimization of V O : Forelimb Bovids (e.g. Ovis canadensis) Equids (e.g. Equus caballus) Leporids (e.g. Lepus townsendii) Felids (e.g. Puma concolor) and Canids (e.g. Canis Latrans)