根據〈台灣常見蚯蚓、蛭類圖鑑〉與多篇文獻發表，修訂蚯蚓（單向蚓目 Haplotaxida、鏈胃蚓目 Moniligastrida）、蛭類（有吻蛭目 Rhynchobdellida、無吻蛭目 Arhynchobdellida）名錄，現收錄之有效學名，蚯蚓 110 種，蛭類 24 種。主要更動如下：

• 新增 12 物種：

Amynthas carnosus (Goto and Hatai, 1899) 多肉遠環蚓

Amynthas dinghuensis Shen & Chih, 2016 頂湖遠環蚓

Amynthas douliouensis Shen & Chang, 2016 斗六遠環蚓

Amynthas quadriorbis Shen & Chang, 2016 四環遠環蚓

Amynthas shinjiroi Wang and Shih, 2010 新二郎遠環蚓

Amynthas tsou Shen & Chang, 2016 鄒遠環蚓

Amynthas fusing Wang & Shih, 2017 復興遠環蚓

Amynthas lalashan Wang & Shih, 2017 拉拉山遠環蚓

Amynthas lioujia Wang & Shih, 2017 六甲遠環蚓

Amynthas majia Wang & Shih, 2017 瑪家遠環蚓

Poecilobdella nanjingensis Yang, 1996 南京牛蛭

Orobdella meisai Nakano & Lai, 2017 岳蛭屬物種（無收錄中文名）

• 修正 Pontoscolex 屬之科級：

Pontoscolecidae → Rhinodrilidae 吻蚓科

參考文獻：

賴亦德。2018。台灣常見蚯蚓、蛭類圖鑑。遠足文化。台灣。

James SW. (2012) Re-erection of Rhinodrilidae Benham, 1890, a senior synonym of Pontoscolecidae James, 2012 (Annelida: Clitellata). Zootaxa 3540: 67–68.

Lai, Yite & Nakano, Takafumi & Chen, Jiun-Hong. (2011). Three species of land leeches from Taiwan, Haemadipsa rjukjuana comb. n., a new record for Haemadipsa picta Moore, and an updated description of Tritetrabdella taiwana (Oka). ZooKeys. 139. 1-22. 10.3897/zookeys.139.1711.

Nakano, Takafumi & Lai, Yite. (2017). A New Quadraannulate Species of Orobdella (Hirudinida: Arhynchobdellida: Orobdellidae) from Pingtung, Taiwan. Species Diversity. 22. 143–150.

Wang, Yu-Hsi & Shih, Hsi-Te. (2017). Four New Species of Earthworms (Oligochaeta: Megascolecidae: Amynthas) from Taiwan Based on Morphological and Molecular Evidence. Zoological studies. 56. 1-12. 10.6620/ZS.2017.56-18.