Just wanted to praise this again, so perfect, also updated my terminology section with official information:
Perfectus-Parasitus (Species)
Regular/Royal/Praeto Cavitatem Amnioticam (Egg)
Regular/Royal/Praeto Parasitus perfido (Facehugger)
Regular/Royal/Praeto Embryonis parasitus (Chestburster)
Regular/Royal/Praeto Parasitus infantem (Imp)
Parasitus praetomorph (Stalker)
Parasitus adulescentior (Soldier, Sentry)
Parasitus praetorian (Guard, Charger)
Perfectus-Parasitus procreatrix (Empress, Queen)