腸鰓綱（学名：Enteropneusta，英文名：acorn worms）是半索動物門的一個綱。现存約有100種。大多數種類在泥沙中穴居，或在石塊下生活。例如柱頭蟲（Balanoglossus）等。
- 目的地位未定的科：
- 玉鉤蟲科 Harrimaniidae
- 原柱頭蟲科 Protoglossidae，为玉鉤蟲科（Harrimaniidae）的异名
- 殖翼柱頭蟲科 Ptychoderidae
- 無翼柱頭蟲科 Spengelidae
- Torquaratoridae
- Allapasus Holland, Kuhnz & Osborn, 2012
- Coleodesmium Osborn, Gebruk, Rogacheva & Holland, 2013
- Tergivelum Holland, Jones, Ellena, Ruhl & Smith, 2009
- Torquarator Holland, Clague, Gordon, Gebruk, Pawson & Vecchione, 2005
- Yoda Priede, Osborn, Gebruk, Jones, Shale, Rogacheva & Holland, 2012
- Yoda demiankoopi Holland, Hiley & Rouse, 2022
- Yoda purpurata Priede, Osborn, Gebruk, Jones, Shale, Rogacheva & Holland, 2012[1]
- 目和科的地位未定的属：
- ^Pride IG, Osborn KJ, Gebruk AV, Johnes D, Shale D, Rogacheva A, Holland ND (2012) Observations on torquaratorid acorn worms (Hemichordata, Enteropneusta) from the North Atlantic with descriptions of a new genus and three new species. Invertebrate Biology. DOI: 10.1111/j.1744-7410.2012.00266.x
