Godzilla Movies: Some Related Kaiju Movies

Some Related Kaiju Movies
Notes: Alternative titles and Japanese titles are listed under the English title. A red Godzilla icon denotes that I have watched and rated the American re-edit of the film.
Title	Year	Director	Monsters in the Movie	My Rating	Disk,Viewed
Rodan Sora no daikaijû Radon	1956	Ishirô Honda	Meganulon, Rodan (female, male, and hatchling)¹		DVD, 2019/08/17
Mothra Mosura	1961	Ishirô Honda	Mothra, Mothra larva		BRD, 2019/08/04
Frankenstein vs. Baragon Frankenstein Conquers the World Furankenshutain tai chitei kaijû Baragon	1965	Ishirô Honda	Baragon, Frankenstein
Rebirth of Mothra Mosura	1996	Okihiro Yoneda	Desghidorah, Fairy Mothra, Mothra, Mothra larva, Mothra Leo²	½	BRD, 2019/08/05
Rebirth of Mothra II Mosura 2: Kaitei no daikessen	1997	Kunio Miyoshi	Aqua Mothra, Barem, Dagahra, Fairy Mothra, Garugaru, Ghogo, Mothra Leo, Rainbow Mothra		BRD, 2019/08/06
Rebirth of Mothra III Mosura 3: Kingu Gidora raishu	1998	Okihiro Yoneda	Aqua Mothra, Armor Mothra, Cretaceous King Ghidorah, Eternal Mothra, Fairy Mothra, Garugaru, King Ghidorah, Light Speed Mothra, Primitive Mothra larva, Rainbow Mothra	½	BRD, 2019/08/12
Kong: Skull Island³	2017	Jordan Roberts	Mire Squid, Mother Longlegs, Psychovultures, Sker Buffalo, Skullcrawler, Spore Mantis		BRD, 2019/06/15

Showa era	¹ It is not clear which is female/male. We only know they are opposite genders because the actors refer to them as mates.
Heisei era	² Mothra Leo, Aqua Mothra, Armor Mothra, etc. are not named in the movies. Names are taken from soundtracks, scripts, etc.
Millenium era	³ This movie is related because of the planned Godzilla vs. Kong (2020).
Legendary era

Aqua Mothra	Armor Mothra	Baragon	Cretaceous King Ghidorah	Dagahra	Fairy Mothra
Desghidorah	Eternal Mothra	Frankenstein	Garugaru	? Ghogo	King Ghidorah
Light Speed Mothra	Meganulon	Mothra	Mothra larva	Mothra Leo	Rainbow Mothra
Rodan	Primitive Mothra larva