Nervous system of Onchidiidae is compsed of a esophageal nerve ring and mouth ball ganglia and on the esophageal nerve ring attached to a thin white vagina fibrosa with connective tissue .

4种 石磺神经系统都是由食道神经环和口腔神经节构成，在神经环上附着一薄层白色稍透明的结缔组织 纤维 鞘。