The giant tortoise is a vertebrate, not an invertebrate.
South America
I have a giant tortois and it has 53 toes. and 16 tails. it isn't rare for them to have 3 heads.
IntroductionGiant tortoises are reptiles that live in tropical countries. These tortoises are believed to be one of the few ancient reptiles that lived till modern days. Analysis from fossils...
It's shell.
Around the Net: Tortoise Chases Wheelchair
World's Rarest Animal
Bout Tour to Changuu Island, Zanzibar
Learn About Baby African Tortoises as Pets