Crawling Tetsudo

The crawling testudo split from its ancestor and moved to Ittiz-Ovi Desert and Ovi Dunes. Because the legs of its ancestors were tapered at the end, they sometimes might get stuck in the sand. Some stoneworms' legs were flattened a bit at the end, and these thrived, and were able to reproduce. To protect themselves from the heat of the sand, scales grew on the fins. Their shells became shorter and a bit smoother, blasted by the sands. Each fin pair performs its own function. The front, shovel shaped ones help to pull it forward. The flatter ones piggyback on the mound of sand from the first pair's movements. The back ones help to push it along. A couple more adaptations are migratory behavior, meaning that they go from one oasis to another, and basic parenting. Near a crawling testudo's midlife, it will seek out a partner, usually younger, that will take care of the young once they emerge. Usually, this just means that the "parent" guides them with the group, and not much more.