Hell-Hound

Are there anymore species in both the Alien and Predator franchise that appeared in movies besides those upcoming and listed below?

• Xenomorph

• Yautja

• River Ghost

• Hell-Hound

• Engineer

• Hammerpede

• Neomorph

• Predator Hound

What whould happen if a Predator-Dog gets impregnated with an facehugger