This is a provisional list; it is based upon a fairly small amount of information. Contributions and suggestions (and corrections) are requested.
This file is still being edited, and the age and locality details are not visible. This information is included in the file as a comment, and inspection of the source code will reveal it to you.
| 1856 | 1858 |
| Buskia | Alder, 1857 | ||
| Alcyonidium albidum | Alder, 1857 | ||
| Alcyonidium hexagonum | Hincks, 1857 | ||
| Alcyonidium mamillatum | Alder, 1857 | ||
| Bugula turbinata | Alder, 1857 | ||
| Cellepora depressa | Tuomey & Holmes, 1857 | ||
| Cellepora formosa | Tuomey & Holmes, 1857 | ||
| Cellepora radiata | Tuomey & Holmes, 1857 | ||
| Cellepora tesselata | Tuomey & Holmes, 1857 | ||
| Crisia occidentalis | Trask, 1857 | ||
| Crisidia gracilis | Trask, 1857 | ||
| Farrella pedicellata | Alder, 1857 | ||
| Fenestella (Archimedes) laxa | Hall, 1857 | ||
| Fenestella (Archimedes) meekana | Hall, 1857 | ||
| Fenestella (Archimedes) owenana | Hall, 1857 | ||
| Fenestella (Archimedes) swallovanus | Hall, 1857 | ||
| Fenestella (Archimedes) wortheni | Hall, 1857 | ||
| Fenestella (Lyropora) lyra | Hall, 1857 | ||
| Fenestella (Lyropora) quincuncialis | Hall, 1857 | ||
| Fenestella (Lyropora) subquadrans | Hall, 1857 | ||
| Fenestella colonus [sic] | Meneghini, 1857 | ||
| Fenestella exilis | Eichwald, 1857 | ||
| Lepralia thyreophora | Busk, 1857 | ||
| Membranipora hexagonalis | Michelotti, 1857 | ||
| Membranipora lacinia | Tuomey & Holmes, 1857 | ||
| Membranipora pouilletii | Alder, 1857 | ||
| Menipea occidentalis | Trask, 1857 | ||
| Scruparia clavata | Hincks, 1857 | ||
| Scrupocellaria californica | Trask, 1857 |
| 1856 | 1858 |