Do Aquatic Box Turtles have ear drums or ears?

Box turtles and other chelonians don’t have external ears. They have a layer of skin located on each side of their head well behind the eyes, which forms a tympanic membrane. The membrane protects the middle ear. They have an auditory nerve, as well as inner ear structures that hear low-frequency sounds in the 50 to 1,500 Hz range. This is a very limited hearing range and it’s speculated that the ear may be used mostly for balance. In fact, many of the low-frequency sounds they’re able to “hear” also cause ground and water vibrations, which they know how to interpret. Still, they respond to mating calls and emit a few other sounds.

IDK