1. Growing or living or burrowing in sand
   "arenicolous worms"

See also: sand

• family Calostomataceae
• family Calycanthaceae
• family Camelidae
• family Campanulaceae
• family Cancridae
• family Canellaceae
• family Canidae
• family Cannabidaceae
• family Cannaceae
• family Capitonidae
• family Capparidaceae
• family Caprifoliaceae
• family Caprimulgidae
• family Caproidae
• family Capromyidae
• family Capsidae
• family Carabidae
• family Carangidae
• family Carapidae
• family Carcharhinidae
• family Carchariidae
• family Cardiidae
• family Cariamidae
• family Caricaceae
• family Carpinaceae