Consider the following features.A.     Tympanum represents the ear.B.     Two pairs of limbs are present.C.     Skin is dry and cornified.Select the correct set of animals which possess all the above characteristics.

Tympanum represents the ear in both amphibians (e.g., Ichthyophis, Salamandra, Rana, Bufo, Hyla) and reptiles (e.g., Testudo, Chelone, Calotes, Alligator). The skin of reptiles is dry and cornified, whereas amphibian skin is moist. Both amphibians and reptiles have two pairs of pentadactylous limbs (except for apodans and snakes).