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Selon World Register of Marine Species () :
- sous-genre Stephanocyathus (Acinocyathus) Wells, 1984
- sous-genre Stephanocyathus (Odontocyathus) Moseley, 1881
- sous-genre Stephanocyathus (Stephanocyathus) Seguenza, 1864
- Stephanocyathus bipatella Alcock, 1902
- Stephanocyathus crassus Jourdan, 1895
- Stephanocyathus diadema Moseley, 1876
- Stephanocyathus imperialis Cairns, 2004
- Stephanocyathus isabellae Reyes, Santodomingo & Cairns, 2009
- Stephanocyathus laevifundus Cairns, 1977
- Stephanocyathus moseleyanus Sclater, 1886
- Stephanocyathus paliferus Cairns, 1977
- Stephanocyathus platypus Moseley, 1876
- Stephanocyathus regius Cairns & Zibrowius, 1997
- sous-genre Stephanocyathus elegans Seguenza, 1864 †
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Selon ITIS () :
- Stephanocyathus campaniformis Marenzeller, 1904
- Stephanocyathus coronatus De Pourtalès, 1867
- Stephanocyathus crassus Jourdan, 1895
- Stephanocyathus diadema Moseley, 1876
- Stephanocyathus explanans Marenzeller, 1904
- Stephanocyathus laevifundus Cairns, 1977
- Stephanocyathus moseleyanus Sclater, 1886
- Stephanocyathus nobilis Moseley, 1873
- Stephanocyathus paliferus Cairns, 1977
- Stephanocyathus platypus Moseley, 1876
- Stephanocyathus regius Cairns & Zibrowius, 1997
- Stephanocyathus spiniger Marenzeller, 1888
- Stephanocyathus weberianus Alcock, 1902
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