In these groups the bone is thin and sensitive to vibration, so it is used for sensitive hearing. The thick stapes of Greererpeton is an indication that did not have good hearing like terrestrial animals. Greererpeton retains a postbranchial lamina on its shoulder blade, which may have been indicative of internal gills like those of fish.
In these groups, the bone is slender and responsive to vibrations, making it suitable for delicate hearing. The thick stapes of Greererpeton suggests that it did not possess good auditory capabilities like terrestrial animals. Greererpeton retains a postbranchial lamina on its shoulder blade, which may have been indicative of internal gills similar to those found in fish.