1. Species Echinus esculentus Linnaeus, 1758
2. Species Echinus melo Lamarck, 1816
3. Species Echinus tenuispinus Norman, 1868
4. Species Echinus wallisi A. Agassiz, 1880
5. Subgenus Echinus (Toxopneustes) L. Agassiz, 1841 accepted as Toxopneustes L. Agassiz, 1841 (accepted at genus rank)
   1. Species Echinus (Toxopneustes) brevispinosus (Blainville, 1825) accepted as Sphaerechinus granularis (Lamarck, 1816) (subjective junior synonym)
6. Species Echinus acutus Lamarck, 1816 accepted as Gracilechinus acutus (Lamarck, 1816) (transferred to Gracilechinus)
7. Species Echinus aequituberculatus Blainville, 1825 accepted as Arbacia lixula (Linnaeus, 1758) (subjective junior synonym)
8. Species Echinus affinis Mortensen, 1903 accepted as Gracilechinus affinis (Mortensen, 1903) (transferred to Gracilechinus)
9. Species Echinus alexandri Danielssen & Koren, 1883 accepted as Gracilechinus alexandri (Danielssen & Koren, 1883) (transferred to Gracilechinus)
10. Species Echinus aurantiacus accepted as Echinus auranticus Blainville, 1825 accepted as Echinus esculentus Linnaeus, 1758 (misspelling)
11. Species Echinus auranticus Blainville, 1825 accepted as Echinus esculentus Linnaeus, 1758 (subjective junior synonym)
12. Species Echinus cidaris Linnaeus, 1758 accepted as Cidaris cidaris (Linnaeus, 1758) (transferred to Cidaris)
13. Species Echinus cordatus Pennant, 1777 accepted as Echinocardium cordatum (Pennant, 1777) (transferred to Echinocardium)
14. Species Echinus depressus G.O. Sars, 1871 accepted as Echinus acutus Lamarck, 1816 accepted as Gracilechinus acutus (Lamarck, 1816) (subjective junior synonym)
15. Species Echinus dröbachiensis O.F. Müller, 1776 accepted as Strongylocentrotus droebachiensis (O.F. Müller, 1776) (incorrect original spelling (mandatory changed according to ICZN 4th Ed. Article 32.5.2.1.))
16. Species Echinus elegans Düben & Koren, 1844 accepted as Gracilechinus elegans (Düben & Koren, 1844) (transferred to Gracilechinus)
17. Species Echinus flemingii Forbes, 1841 accepted as Echinus acutus Lamarck, 1816 accepted as Gracilechinus acutus (Lamarck, 1816) (subjective junior synonym)
18. Species Echinus globiformis Lamarck, 1816 accepted as Echinus esculentus Linnaeus, 1758 (subjective junior synonym)
19. Species Echinus granularis Say, 1827 non Lamarck, 1816 accepted as Strongylocentrotus Brandt, 1835 (misidentification (possibly a Strongylocentrotus pallidus according to Jensen, 1974))
20. Species Echinus granularis de Lamarck, 1816 accepted as Sphaerechinus granularis (Lamarck, 1816) (transferred to Sphaerechinus)
21. Species Echinus lividus Lamarck, 1816 accepted as Paracentrotus lividus (Lamarck, 1816) (transferred to Paracentrotus)
22. Species Echinus lixula Linnaeus, 1758 accepted as Arbacia lixula (Linnaeus, 1758) (transferred to Arbacia)
23. Species Echinus microstoma Thomson, 1872 accepted as Echinus acutus norvegicus Düben & Koren, 1844 accepted as Gracilechinus acutus norvegicus (Düben & Koren, 1844) (subjective junior synonym)
24. Species Echinus microtuberculatus Blainville, 1825 accepted as Psammechinus microtuberculatus (Blainville, 1825) (transferred to Psammechinus)
25. Species Echinus miliaris P.L.S. Müller, 1771 accepted as Psammechinus miliaris (P.L.S. Müller, 1771) (transferred to Psammechinus)
26. Species Echinus minutus Gmelin, 1791 accepted as Echinocyamus pusillus (O.F. Müller, 1776) (subjective junior synonym)
27. Species Echinus neapolitanus Delle Chiaje, 1825 accepted as Arbacia lixula (Linnaeus, 1758) (subjective junior synonym)
28. Species Echinus norvegicus Düben & Koren, 1844 accepted as Echinus acutus norvegicus Düben & Koren, 1844 accepted as Gracilechinus acutus norvegicus (Düben & Koren, 1844) (reduced to subspecies rank )
29. Species Echinus pseudomelo Blainville, 1825 accepted as Echinus esculentus Linnaeus, 1758 (subjective junior synonym)
30. Species Echinus purpureus Risso, 1826 accepted as Paracentrotus lividus (Lamarck, 1816) (subjective junior synonym)
31. Species Echinus quinqueangulatus Blainville, 1825 accepted as Echinus esculentus Linnaeus, 1758 (subjective junior synonym)
32. Species Echinus quinqueangulosus accepted as Echinus esculentus Linnaeus, 1758 (misspelling)
33. Species Echinus rarispinus G.O. Sars, 1871 accepted as Echinus acutus norvegicus Düben & Koren, 1844 accepted as Gracilechinus acutus norvegicus (Düben & Koren, 1844) (unaccepted > nomen nudum, manuscript name (for globular specimens of E. acutus norvegicus))
34. Species Echinus sardicus sensu Delle Chiaje, 1841 accepted as Echinus acutus Lamarck, 1816 accepted as Gracilechinus acutus (Lamarck, 1816) (misidentification)
35. Species Echinus saxatilis Linnaeus, 1758 accepted as Diadema setosum (Leske, 1778) (subjective junior synonym - but see below in notes section)
36. Species Echinus schwartzii Nilsson, 1817 accepted as Echinus swartzii Nilsson & Holst, 1817 accepted as Echinus esculentus Linnaeus, 1758 (misspelling)
37. Species Echinus sphaera O.F. Müller, 1776 accepted as Echinus esculentus Linnaeus, 1758 (subjective junior synonym)
38. Species Echinus swartzii Nilsson & Holst, 1817 accepted as Echinus esculentus Linnaeus, 1758 (subjective junior synonym)
39. Species Echinus violaceus Blainville, 1825 accepted as Echinus esculentus Linnaeus, 1758 (subjective junior synonym)
40. Species Echinus vulgaris Blainville, 1825 accepted as Paracentrotus lividus (Lamarck, 1816) (subjective junior synonym)
41. Species Echinus neglectus Lamarck, 1816 (uncertain > nomen dubium, possible subjective junior synonym of Strongylocentrotus droebachiensis or S. pallidus)
42. Species Echinus subangulosus de Blainville, 1826 (uncertain > nomen dubium)

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