tropical amphibians

Is Caecilian A Vertebrate Or Invertebrate? Caecilians are legless, mostly blind amphibians. Does a caecilian have a backbone? Caecilians differ from their other lookalike, worms, in part because they possess a backbone and a skull. Biologists know very little about these creatures, compared with other animals. Because most caecilians burrow underground, they can be hard