Paromoionchis tumidus is a species of small, air-breathing sea slug, a shell-less marine pulmonate gastropod mollusc in the family Onchidiidae.[1]
Paromoionchis tumidus is widely distributed in the Indo-Pacific from Japan in the north, to Hong Kong, Vietnam, the Philippines, Brunei Darussalam, Singapore, Peninsular Malaysia, the Andaman Islands, Indonesia, and Australia (New South Wales, Northern Territory, Queensland).[1]
The following names have been synonymized with Paromoionchis tumidus:[1]