Contributed by Andrew Smith, August 2011
| Name gender | masculine |
|---|---|
| Classification and/or Status | Nomen null., for Thagastea Pomel, 1888 |
| Remarks | Duncan, P. M. 1889. A revision of the genera and great groups of the Echinoidea. Journal of the Linnean Society, London, Zoology 23, 1-311. |