1. Family Ophiohelidae Perrier, 1893
2. Family Ophioscolecidae Lütken, 1869
3. Family Ophiomycetidae Verrill, 1899 accepted as Ophiohelidae Perrier, 1893 (junior synonym)

marine, fresh, terrestrial

O'Hara, T. D.; Hugall, A. F.; Thuy, B.; Stöhr, S.; Martynov, A. V. (2017). Restructuring higher taxonomy using broad-scale phylogenomics: The living Ophiuroidea. <em>Molecular Phylogenetics and Evolution.</em> 107: 415-430., available online at https://doi.org/10.1016/j.ympev.2016.12.006 [details] 

Stöhr, S.; O’Hara, T.; Thuy, B. (Eds) (2025). World Ophiuroidea Database. Ophioscolecida. Accessed through: Xu, K., An, J., Ding, L., Dong, D., Gao, Y., Huang, Y., Jiang, W., Lei, Y., Li, K., Li, X., Li, Y., Liang, X., Lin, G., Lin, M., Liu, H., Liu, J., Liu, W., Liu, X., Lu, D., Ma, Z., Ren, X., Sha, Z., Sun, J., Sun, S., Sun, Z., Tian, L., Wang, D., Wang, J., Wu, X., Xia, B., Xiao, N., Yin, J., Zhang, J., Zhang, S., Zhang, X., Zhao, E., Zheng, X., Zhou, H., Zhou, J. & Zhou, K. (2025) Chinese Register of Marine Species at: https://www.marinespecies.org/charms/aphia.php?p=taxdetails&id=1062661 on 2025-05-09

Xu, K., An, J., Ding, L., Dong, D., Gao, Y., Huang, Y., Jiang, W., Lei, Y., Li, K., Li, X., Li, Y., Liang, X., Lin, G., Lin, M., Liu, H., Liu, J., Liu, W., Liu, X., Lu, D., Ma, Z., Ren, X., Sha, Z., Sun, J., Sun, S., Sun, Z., Tian, L., Wang, D., Wang, J., Wu, X., Xia, B., Xiao, N., Yin, J., Zhang, J., Zhang, S., Zhang, X., Zhao, E., Zheng, X., Zhou, H., Zhou, J. & Zhou, K. (2025). Chinese Register of Marine Species. Ophioscolecida. Accessed at: https://www.marinespecies.org/charms/aphia.php?p=taxdetails&id=1062661 on 2025-05-09

[taxonomic tree]  [list species]