>>51087003I've always viewed them as just simply being earth-based in their designs, their bodies often being armoured in some manner. Like if I'm going into the sub-divisions of Ground-Type designs I'd probably say;
> Sand-basedSandshrew, Sandslash, Gligar, Trapinch, Vibrava, Flygon, Wormadam, Gible, Gabite, Garchomp, Hippopotas, Hippowdon, Gliscor, Sandile, Krokorok, Krookodile, Sandygast, Palossand, Silicobra, Sandaconda
> Earth-basedNidoqueen, Nidoking, Diglett, Dugtrio, Geodude, Graveler, Golem, Onix, Cubone, Steelix, Phanpy, Donphan, Larvitar, Pupitar, Nincada, Numel, Camerupt, Groudon, Torterra, Rhyperior, Drilbur, Excadrill, G. Yamask, Runerigus, Landorus, Zygarde, Ursaluna
> Mud-basedWooper, Quagsire, Swinub, Piloswine, Marshtomp, Swampert, Barboach, Whiscash, Baltoy, Claydol, Gastrodon, Mamoswine, Palpitoad, Seismitoad, Stunfisk, G. Stunfisk, Golett, Golurk, Diggersby, Mudbray, Mudsdale
