1. Family Halicreatidae Fewkes, 1886
2. Family Petasidae Haeckel, 1879
3. Family Rhopalonematidae Russell, 1953

marine, brackish, fresh, terrestrial

recent only

Haeckel, E. (1866). Generelle morphologie der Organismen. Allgemeine Grundzüge der organischen Formen-wissenschaft, mechanisch begründet durch die von Charles Darwin reformirte Descendenztheorie, von Ernst Haeckel. Berlin,G. Reimer. , available online at https://doi.org/10.5962/bhl.title.3953
page(s): Vol. 2, p. LIX [details]   

Schuchert, P. (2024). World Hydrozoa Database. Trachymedusae. 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. (2024) Chinese Register of Marine Species at: https://marinespecies.org/charms/aphia.php?p=taxdetails&id=16350 on 2024-05-23

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. (2024). Chinese Register of Marine Species. Trachymedusae. Accessed at: https://www.marinespecies.org/charms/aphia.php?p=taxdetails&id=16350 on 2024-05-23

[taxonomic tree]  [list species]