| Citation | Casanova, J.-P. and X. Moreau, 2005 Calispadelle alata n. gen., n. sp., the first chaetognath recorded from a hydrothermal vent site (Mid-Atlantic Ridge). Journal of Plankton Research 27(2):221-225. |
| Ref. | 1808 Casanova, J.-P. and X. Moreau, 2005 |
| Page | 222-223 |
| Named Used as Valid | Hemispadella dauvini |
| Locality | |
| Distribution | Azores and Canary Islands. |