Arcitalitrus dorrieni 
Arcocatus longiceps 
Arcte modesta 
Arctic bluet 
Arctic cottongrass 
Arctic fox 
Arctic Fritillary or Purplish Fritillary 
Arctic Gentian 
arctic ground squirrel 
Arctic redpoll 
Arctic Sand Lance 
Arctic shrew 
Arctic Starflower 
Arctic sweet coltsfoot 
Arctic tern 
Arctic wolf 
Arctornis micacea 
Arctornis rutila 
Arctornis tortricoides 
Arctostaphylos nevadensis 
Arcyptera fusca 
Arcyria cinerea 
Arcyria ferruginea 
Arcyria incarnata