Taxon
- Aethia12 objects
- Agave deserti36 objects
- Alces alces40 objects
- Alnus33 objects
- Alnus rubra61 objects
- Amaranthus2 objects
- Amsinckia21 objects
- Anadara antiquata73 objects
- Anadara broughtonii1 objects
- Anadara ferruginea2 objects
- Anadara passa3 objects
- Anadara tricenicosta6 objects
- Anas platyrhynchos2 objects
- Anatidae263 objects
- Anodonta16 objects
- Anodonta nuttalliana1 objects
- Anodonta oregonensis5 objects
- Anodontia edentula3 objects
- Anser albifrons6 objects
- Anser gambeli1 objects