| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate | 
| Génie | Arsenal de Brest | 13.7.1841 | 23.6.1842 | 1/1843 | stricken 11.1866 | ||
| Janus | Arsenal de Toulon | 8/1847 | 21.11.1848 | 6/1861 | TS 4.1865, stricken 1.1884 | ||
| Victor | Arsenal de Brest | 4.8.1848 | 21.7.1849 | 12/1850 | stricken 7.1867 | ||
| Nisus | Arsenal de Brest | 11.6.1849 | 14.5.1850 | 1850 | TS 1864, stricken 12.1866 | ||
| Beaumanoir | Arsenal de Cherbourg | 19.1.1850 | 2.12.1853 | 5/1854 | transport 3.1879 | ||
| Zèbre | Arsenal de Lorient | 26.5.1848 | 4.11.1854 | 7/1857 | stricken 11.1866 | ||
| Euryale | Arsenal de Rochefort | 31.10.1849 | 11.11.1863 | 3/1864 // --- | completed as transport | ||
| Chevert | Arsenal de Rochefort | 4/1850 | 26.11.1863 | 3/1864 // --- | completed as transport | 
| Displacement normal, t | 542 | 
| Displacement full, t | |
| Length, m | 33.0 pp | 
| Breadth, m | 9.80 | 
| Draught, m | 4.05 mean | 
| No of shafts | |
| Machinery | sails | 
| Power, h. p. | |
| Max speed, kts | |
| Fuel, t | |
| Endurance, nm(kts) | 
 | 
| Armament | Génie: 16 x 1 - 163/8 30pdr SBML carronades, 2 x 1 - 163/13 shell SBML Victor: 14 x 1 - 163/13 shell SBML Janus and later ships: 2 x 1 - 138/8 18pdr SBML carronades | 
| Complement | 101 - 125 | 
Project history: 18-gun brigs, wooden-hulled.
Modernizations: 1865, Janus: - 2 x 1 - 138/8; + 2 x 1 - 122/15 MLR
1871, Janus: - 2 x 1 - 122/15; + 4 x 1 - 139/21 M1870
1871, Beaumanoir: - 16 x 1 - 163/13; + 4 x 1 - 122/15 MLR
1882, Janus: - 4 x 1 - 139/21; + 2 x 1 - 122/15 MLR
Naval service: No significant events.
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