Every species of spider in the genus Predatoroonops takes its name from an element in John McTiernan’s 1987 film Predator:

Predatoroonops anna: For the character Anna Gonsalves, played by Elpidia Carrillo
Predatoroonops billy: For the character Billy Sole, played by Sonny Landham
Predatoroonops blain: For the character Blain Cooper, played by Jesse Ventura
Predatoroonops dillon: For the character George Dillon, played by Carl Weathers
Predatoroonops dutch: For the character “Dutch” Schaeffer, played by Arnold Schwarzenegger
Predatoroonops maceliot: For the character “Mac” Elliot, played by Bill Duke
Predatoroonops poncho: For the character “Poncho” Ramirez, played by Richard Chaves
Predatoroonops rickhawkins: For the character Richard Hawkins, played by Shane Black
Predatoroonops schwarzeneggeri: For Schwarzenegger
Predatoroonops vallarta: For Puerto Vallarta, Mexico, a filming location
Predatoroonops valverde: For Val Verde, the fictional country where the film takes place
Predatoroonops chicano: An alternate nickname for Poncho
Predatoroonops mctiernani: For McTiernan
Predatoroonops olddemon: In Anna’s village the Predator is known as a “demon who makes trophies of men”
Predatoroonops peterhalli: For Kevin Peter Hall, the actor who played the creature
Predatoroonops phillips: For the character Homer Phillips, played by R.G. Armstrong
Predatoroonops yautja: The name of the Predator species in the expanded universe

Also: In Predator 2, the Predator’s trophy case contains the head of an alien from the Alien franchise:

https://www.youtube.com/watch?v=E8wU2XMpM8E