Amaurobius simlis 
Amauromyza pleuralis 
Amaxia pulchra 
Amazon freshwater crab 
Amazon Ribbed Tarantula 
Amazon River Prawn 
Amazon Sapphirewing 
Amazon Thorn Spider 
Amazonian Giant Centipede 
Amber phantom 
Amberana marginata 
Ambia gueneealis 
Ambicodamus crinitus 
Ambiguous Crayfish 
Ambiguous moth 
Amblychia angeronaria 
Amblychia infoveata 
Amblychia praeumbrata 
Amblychia sommereri 
Amblyjoppa proteus 
Amblyomma cajennense 
Amblyomma tholloni 
Amblyteles armatorius 
Ambragaeana ambra