Type species: Flustra spinifera Johnston, 1832
This genus includes the species:
| Cauloramphus amphidisjunctus | Dick, Mawatari, Sanner & Grischenko,2011 | Recent | Japan |
| Cauloramphus ascofer | Dick, Mawatari, Sanner & Grischenko,2011 | Recent | Japan |
| Cauloramphus brunea | Canu & Bassler, 1930 | Recent | Galapagos |
| Cauloramphus californiensis | Soule, Soule & Chaney 1995 | Recent | SW USA |
| Cauloramphus cheliferoides | Dick, Mawatari, Sanner & Grischenko,2011 | Recent | Japan |
| Cauloramphus costatus | Silén, 1941 | Recent | Japan |
| Cauloramphus cryptoarmatus | Grischenko, Dick & Mawatari, 2007 | Recent | Japan Hokkaido |
| Cauloramphus cymbaeformis | (Hincks, 1877) | Recent | N. Atlantic, Arctic |
| Cauloramphus disjunctus | Canu & Bassler, 1929 | Recent | Philippines, Sea of Japan? |
| Cauloramphus echinus | (Hincks, 1882) | Recent | SW USA |
| Cauloramphus gracilis | Dick, Mawatari, Sanner & Grischenko,2011 | Recent | Japan |
| Cauloramphus infensus | Dick, Mawatari, Sanner & Grischenko,2011 | Recent | North Pacific Commander Islands |
| Cauloramphus intermedius | Kluge, 1962 | Recent | Arctic |
| Cauloramphus japonicus | Silén, 1941 | Recent | Japan |
| Cauloramphus korensis | Seo, 2001 | Recent | Korea |
| Cauloramphus magnus | Dick & Ross, 1988 | Recent | Alaska |
| Cauloramphus multiavicularia | Dick, Grischenko & Mawatari, 2005 | Recent | N. Pacific Alaska |
| Cauloramphus multispinosus | Grischenko, Dick & Mawatari, 2007 | Recent | Japan Hokkaido |
| Cauloramphus neospiniferum | Winston & Hayward, 2012 | Recent | Northwest Atlantic USA |
| Cauloramphus niger | Grischenko, Dick & Mawatari, 2007 | Recent | Japan Hokkaido |
| Cauloramphus opertus | Canu & Bassler, 1928 | Recent | Gulf of Mexico |
| Cauloramphus ordinarius | Dick, Mawatari, Sanner & Grischenko,2011 | Recent | Japan |
| Cauloramphus oshurkovi | Dick, Mawatari, Sanner & Grischenko,2011 | Recent | North Pacific Commander Islands |
| Cauloramphus parvus | Dick, Mawatari, Sanner & Grischenko,2011 | Recent | North Pacific Aleutian Islands |
| Cauloramphus peltatus | Dick, Mawatari, Sanner & Grischenko,2011 | Recent | North Pacific Aleutian Islands |
| Cauloramphus porosus | Canu & Bassler, 1923 | Neogene Pleistocene | USA California |
| Cauloramphus pseudospinifer | Androsova, 1958 | Recent | Alaska |
| Cauloramphus salomacensis | Duvergier, 1924 | Neogene Miocene Tortonian | France |
| Cauloramphus spectabilis | Dick & Ross, 1988 | Recent | Alaska |
| Cauloramphus spinifer | (Johnston, 1832) | Recent | Arctic, N Atlantic |
| Cauloramphus symetrica | Yang & Lu, 1981 | Recent | S China Sea |
| Cauloramphus tortilis | Dick, Grischenko & Mawatari, 2005 | Recent | N. Pacific Alaska |
| Cauloramphus variegatus | (Hincks, 1881) | Recent | N. Pacific |
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| Cauloramphus cryptoarmatus (Matt Dick) |
Cauloramphus magnus (Andrew Grischenko photo) |
Cauloramphus multiavicularia (Thanks to Matt Dick) |
Cauloramphus multispinosus (Andrew Grischenko photo) |
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| Cauloramphus niger (Thanks to Matt Dick) |
Cauloramphus spinifer (Thanks to Matt Dick) |
Cauloramphus tortilis (Thanks to Matt Dick) |
Cauloramphus page at NMITA
Cauloramphus spiniferum page at Walla Walla University