Royal Facehugger (Earth-9471)

The Royal Facehugger is a special Facehugger variant that is able to impregnate more than one host with a Chestburster, including one with a Queen Chestburster, before their deaths, to serve as guardians for the Queen.

Characteristics
Royal Facehuggers, while similar to Facehuggers in overall shape, have some distinctions; they are larger, a bladed tail that allows them to protect the unborn Queen they carry, and armored skin, webbed digits, and a dark brown skin color, compared to the pale color for a normal Facehugger.

Their most notable trait, however, is the ability of carrying more than one Chestburster or Bambiburster and impregnating up to three separate victims, not dying until the proccess is complete. The Royal Facehugger at Fiorina 161 was able to survive for two weeks, first impregnating Ellen Ripley aboard the USS Sulaco and later the dog Spike once she reached Fiorina.