Arocera spectabilis 
Aromatic Aster 
Aromatic Ginger 
Arotes amoenus 
Arothon_stellatus 
Arothron reticularis 
Arpophyllum gigantium 
Arrade destituta 
Arrade leucocosmalis 
Arran brown 
Arrau River turtle 
Arrhenatherum kotschyi 
Arrhenia epichysium 
Arrhenia hohensis 
Arrhenia rainierensis 
Arrhopalites aggtelekiensis 
Arrhythmus rugosipennis 
Arrow Crab 
Arrow Sphinx 
Arrow-leaf buckwheat 
Arrow-marked babbler 
Arrow-shaped Orbweaver 
Arrowhead 
Arrowhead crab