Do you have sources for these claims? To my knowledge, photosensitivity has arisen a few times independently and eyes again a few times from shared photosensit

Do you have sources for these claims? To my knowledge, photosensitivity has arisen a few times independently and eyes again a few times from shared photosensitive receptors in animalia but I'm fairly sure hearing in the groups you mention is a tetrapod synapomorphy.