___ Aconcagua, Argentina, 5 letters
___ Gordo (Mason City's county), 5 letters
Marine crustaceans with feathery food-catching appendages, 8 letters
As adults form a hard shell and live attached to submerged surfaces, 8 letters
Free-swimming as larvae, 8 letters
Marine crustaceans with feathery food-catching appendages, 9 letters
Free-swimming as larvae, 9 letters
As adults form a hard shell and live attached to submerged surfaces, 9 letters