The largest living amphibian is the 1.8 m (5 ft 11 in) Chinese giant salamander (Andrias davidianus), but this is dwarfed by the extinct 9 m (30 ft) Prionosuchus from the middle Permian of Brazil. The study of amphibians is called batrachology, while the study of both reptiles and amphibians is called herpetology.mphibians use their skin as a secondary respiratory surface and some small terrestrial salamanders and frogs lack lungs and rely entirely on their skin. They are superficially similar to reptiles but, along with mammals and birds, reptiles are amniotes and do not require water bodies in which to breed.
Floyd Lawson is the owner of Floyd's Barber Shop in Mayberry. He was first portrayed by Walter Baldwin and lastly by Howard McNear. HistoryEdit. Floyd the Barber (as he was commonly known) was the slow-paced, somewhat absent-minded barber in Mayberry.
The 249 episodes followed Sheriff Andy Taylor (Griffith), his bumbling deputy Barney Fife (Don Knotts), son Opie (Ronnie Howard) and the lovable Aunt Bea (Frances Bavier). Here are a few fun facts you might not know about this TV classic: