The Kaiju from the Super Robot Anime, Daikengo. They were called Beast Bone Mecha(獣骨メカ jū-kotsu meka) and they would usually appear by rising up from the ground.
Tyrannosaurer
Stegosaurer
Bone Bird
Maunto
“Spider Beast Bone Mecha“
Kotsucobra
“Fish Beast Bone Mecha”
Minibon
Gataibo
Rigoder
Ganiira
Robadan
Mongyura
Kotspider
“Rhino Beast Bone Mecha”
Leviathan
Scorpion
Bat Bones
Zamez
Star Demon
Won Tiger
Trivia[]
The motifs for the Beast Bone Mecha are vertebrates such as dinosaurs, but also includes arthropods.