Aporocidaris antarctica Mortensen, 1909 (basis of record)
Aporocidaris fragilis A. Agassiz & H.L. Clark, 1907 (basis of record)
Aporocidaris milleri (A. Agassiz, 1898) (basis of record)
Austrocidaris canaliculata (A. Agassiz, 1863) (basis of record)
Austrocidaris spinulosa Mortensen, 1910 (basis of record)
Calocidaris micans (Mortensen, 1903) (basis of record)
Centrocidaris doederleini (A. Agassiz, 1898) (basis of record)
Cidaris abyssicola (A. Agassiz, 1869) (basis of record)
Cidaris blakei (A. Agassiz, 1878) (basis of record)
Cidaris cidaris (Linnaeus, 1758) (additional source)
Cidaris cidaris meridionalis Mortensen, 1928 (status source)
Cidaris nuda (Mortensen, 1903) (basis of record)
Cidaris rugosa (H.L. Clark, 1907) (basis of record)
Ctenocidaris (Eurocidaris) nutrix (Thomson, 1876) (basis of record)
Ctenocidaris geliberti (Koehler, 1912) (basis of record)
Ctenocidaris perrieri Koehler, 1912 (basis of record)
Ctenocidaris rugosa (Koehler, 1926) (basis of record)
Ctenocidaris speciosa Mortensen, 1910 (basis of record)
Ctenocidaris spinosa (Koehler, 1926) (basis of record)
Dorocidaris blakei A. Agassiz, 1878 accepted as Cidaris blakei (A. Agassiz, 1878) (basis of record)
Dorocidaris rugosa H.L. Clark, 1907 accepted as Cidaris rugosa (H.L. Clark, 1907) (basis of record)
Eucidaris metularia (Lamarck, 1816) (basis of record)
Eucidaris tribuloides (Lamarck, 1816) (basis of record)
Eucidaris tribuloides (Lamarck, 1816) (redescription)
Goniocidaris (Aspidocidaris) clypeata Döderlein, 1885 (basis of record)
Goniocidaris (Aspidocidaris) fimbriata (de Meijere, 1904) (basis of record)
Goniocidaris (Cyrtocidaris) tenuispina Mortensen, 1927 (basis of record)
Goniocidaris (Cyrtocidaris) tenuispina major Mortensen, 1927 (status source)
Goniocidaris (Cyrtocidaris) tenuispina tuberculata Mortensen, 1927 (status source)
Goniocidaris (Discocidaris) mikado (Döderlein, 1885) (basis of record)
Goniocidaris (Petalocidaris) biserialis (Döderlein, 1885) (basis of record)
Goniocidaris (Petalocidaris) florigera A. Agassiz, 1879 (basis of record)
Goniocidaris mikado (Döderlein, 1885) accepted as Goniocidaris (Discocidaris) mikado (Döderlein, 1885) (basis of record)
Histocidaris acutispina Mortensen, 1927 (basis of record)
Histocidaris cobosi (A. Agassiz, 1898) (basis of record)
Histocidaris crassispina Mortensen, 1928 (basis of record)
Histocidaris denticulata Koehler, 1927 (basis of record)
Histocidaris elegans (A. Agassiz, 1879) (basis of record)
Histocidaris magnifica Mortensen, 1928 (basis of record)
Histocidaris nuttingi Mortensen, 1926 (basis of record)
Histocidaris purpurata (Thomson, 1872) (redescription)
Histocidaris recurvata Mortensen, 1928 (basis of record)
Histocidaris sharreri (A. Agassiz, 1880) (basis of record)
Histocidaris variabilis (A. Agassiz & H.L. Clark, 1907) (basis of record)
Homalocidaris gigantea (H.L. Clark, 1925) (basis of record)
Notocidaris gaussensis Mortensen, 1909 (basis of record)
Notocidaris hastata Mortensen, 1909 (basis of record)
Notocidaris mortenseni (Koehler, 1900) (basis of record)
Notocidaris platyacantha (H.L. Clark, 1925) (basis of record)
Notocidaris platyacantha contracta Koehler, 1926 (status source)
Parocidaris accepted as Porocidaris Desor, 1855 † (additional source)
Parocidaris purpurata accepted as Histocidaris purpurata (Thomson, 1872) (basis of record)
Phalacrocidaris japonica (Döderlein, 1885) (redescription)
Poriocidaris purpurata (Thomson, 1872) accepted as Histocidaris purpurata (Thomson, 1872) (additional source)
Porocidaris cobosi A. Agassiz, 1898 accepted as Histocidaris cobosi (A. Agassiz, 1898) (basis of record)
Porocidaris elegans A. Agassiz, 1879 accepted as Histocidaris elegans (A. Agassiz, 1879) (basis of record)
Porocidaris purpurata Thomson, 1872 accepted as Histocidaris purpurata (Thomson, 1872) (additional source)
Porocidaris sharreri A. Agassiz, 1880 accepted as Histocidaris sharreri (A. Agassiz, 1880) (basis of record)
Porocidaris variabilis A. Agassiz & H.L. Clark, 1907 accepted as Histocidaris variabilis (A. Agassiz & H.L. Clark, 1907) (basis of record)
Prionocidaris hawaiiensis (A. Agassiz & H.L. Clark, 1907) (basis of record)
Psilocidaris echinulata Mortensen, 1927 (basis of record)
Rhopalocidaris gracilis (Döderlein, 1885) (basis of record)
Rhopalocidaris rosea Mortensen, 1928 (basis of record)
Rhynchocidaris triplopora (Mortensen, 1909) (basis of record)
Stephanocidaris hawaiiensis A. Agassiz & H.L. Clark, 1907 accepted as Prionocidaris hawaiiensis (A. Agassiz & H.L. Clark, 1907) (basis of record)
Stereocidaris (Phalacrocidaris) japonica (Döderlein, 1885) accepted as Phalacrocidaris japonica (Döderlein, 1885) (basis of record)
Stereocidaris capensis Döderlein, 1901 (basis of record)
Stereocidaris grandis (Döderlein, 1885) (basis of record)
Stereocidaris granularis Mortensen, 1928 (basis of record)
Stereocidaris granularis rubra Mortensen, 1927 (basis of record)
Stereocidaris hawaiiensis Mortensen, 1928 (basis of record)
Stereocidaris indica Döderlein, 1901 (basis of record)
Stereocidaris ingolfiana Mortensen, 1903 (additional source)
Stereocidaris leucacantha A. Agassiz & H.L. Clark, 1907 (basis of record)
Stereocidaris microtuberculata (Yoshiwara, 1898) (basis of record)
Stereocidaris sceptriferoides (Döderlein, 1887) (basis of record)
Stereocidaris sceptriferoides lamellata Mortensen, 1927 (redescription)
Stereocidaris sceptriferoides lanceolata Mortensen, 1928 (status source)
Stylocidaris affinis (Philippi, 1845) (additional source)
Stylocidaris effluens Mortensen, 1927 (basis of record)
Stylocidaris lineata Mortensen, 1910 (basis of record)
Stylocidaris maculosa Mortensen, 1928 (basis of record)
Stylocidaris reini (Döderlein, 1887) (basis of record)
Stylocidaris reini rubida Mortensen, 1927 (status source)
Stylocidaris rufa Mortensen, 1928 (basis of record)
Stylocidaris tiara (Anderson, 1894) (basis of record)
Tretocidaris bartletti (A. Agassiz, 1880) (basis of record)

Africa Coasts for Eucidaris tribuloides (Lamarck, 1816)  (inaccurate)
Africa Coasts for Histocidaris denticulata Koehler, 1927 
Antarctic 200NM zone beyond the coastline for Aporocidaris milleri (A. Agassiz, 1898) 
Antarctic 200NM zone beyond the coastline for Ctenocidaris perrieri Koehler, 1912 
Antarctic Continent for Notocidaris platyacantha var. contracta Koehler, 1926 
Antarctic Ocean for Aporocidaris antarctica Mortensen, 1909 
Antarctic Ocean for Ctenocidaris perrieri Koehler, 1912 
Antarctic Ocean for Ctenocidaris rugosa (Koehler, 1926) 
Antarctic Ocean for Ctenocidaris spinosa (Koehler, 1926) 
Antarctic Ocean for Notocidaris Mortensen, 1909 
Antarctic Ocean for Notocidaris gaussensis Mortensen, 1909 
Antarctic Ocean for Notocidaris hastata Mortensen, 1909 
Antarctic Ocean for Notocidaris mortenseni (Koehler, 1900) 
Ascension Exclusive Economic Zone for Eucidaris metularia (Lamarck, 1816)  (inaccurate)
Ascension Exclusive Economic Zone for Eucidaris tribuloides (Lamarck, 1816)  (inaccurate)
Atlantic Ocean for Stylocidarinae Mortensen, 1903 
Australian Exclusive Economic Zone for Eucidaris metularia (Lamarck, 1816) 
Australian Exclusive Economic Zone for Histocidaris crassispina Mortensen, 1928 
Australian Exclusive Economic Zone for Stylocidaris reini var. rubida Mortensen, 1927 
Balleny Islands for Ctenocidaris perrieri Koehler, 1912 
Balleny Islands for Ctenocidaris speciosa Mortensen, 1910 
Bay of Bengal for Histocidaris denticulata Koehler, 1927 
Bay of Biscay for Histocidaris elegans (A. Agassiz, 1879)  (inaccurate)
Bonin for Stylocidaris maculosa Mortensen, 1928 
Burdwood Bank for Austrocidaris canaliculata (A. Agassiz, 1863) 
Cape of Good Hope for Eucidaris metularia (Lamarck, 1816)  (inaccurate)
Cape Verde for Cidaris nuda (Mortensen, 1903) 
Cocos Islands Exclusive Economic Zone for Centrocidaris doederleini (A. Agassiz, 1898) 
Coulman Island for Ctenocidaris speciosa Mortensen, 1910 
Coulman Island for Homalocidaris gigantea (H.L. Clark, 1925) 
Coulman Island for Notocidaris platyacantha var. contracta Koehler, 1926 
Crozet Islands Exclusive Economic Zone for Ctenocidaris (Eurocidaris) nutrix (Thomson, 1876) 
East African Coral Coast for Histocidaris elegans (A. Agassiz, 1879)  (inaccurate)
Eastern Channel for Goniocidaris (Petalocidaris) biserialis (Döderlein, 1885) 
Falkland Islands part of the South Atlantic Ocean for Austrocidaris spinulosa Mortensen, 1910 
Faroe-Shetland Channel for Poriocidaris purpurata (Thomson, 1872) 
Galapagos Exclusive Economic Zone for Centrocidaris doederleini (A. Agassiz, 1898) 
Galapagos Exclusive Economic Zone for Histocidaris cobosi (A. Agassiz, 1898) 
Galapagos Islands  for Aporocidaris milleri (A. Agassiz, 1898) 
Graham Island for Ctenocidaris speciosa Mortensen, 1910 
Havana for Histocidaris nuttingi Mortensen, 1926 
Hawaiian Exclusive Economic Zone for Histocidaris variabilis (A. Agassiz & H.L. Clark, 1907) 
Hawaiian Exclusive Economic Zone for Prionocidaris hawaiiensis (A. Agassiz & H.L. Clark, 1907) 
Hawaiian Exclusive Economic Zone for Stereocidaris hawaiiensis Mortensen, 1928 
Hawaiian Exclusive Economic Zone for Stereocidaris leucacantha A. Agassiz & H.L. Clark, 1907 
Hawaiian Islands  for Stylocidaris rufa Mortensen, 1928 
Heard Island for Ctenocidaris (Eurocidaris) nutrix (Thomson, 1876) 
Icelandic Exclusive Economic Zone for Poriocidaris purpurata (Thomson, 1872) 
Indian Ocean for Poriocidaris purpurata (Thomson, 1872)  (doubtful)
Indian Ocean for Stereocidaris indica Döderlein, 1901 
Indian Ocean for Stylocidaris tiara (Anderson, 1894) 
Indonesian Exclusive Economic Zone for Goniocidaris (Petalocidaris) florigera A. Agassiz, 1879  (doubtful)
Indo-Pacific for Eucidaris metularia (Lamarck, 1816) 
Indo-Pacific for Stylocidarinae Mortensen, 1903 
Italian Exclusive Economic Zone for Stylocidaris affinis (Philippi, 1845) 
Japanese Exclusive Economic Zone for Goniocidaris (Aspidocidaris) fimbriata (de Meijere, 1904)  (doubtful)
Japanese Exclusive Economic Zone for Goniocidaris (Petalocidaris) biserialis (Döderlein, 1885) 
Japanese Exclusive Economic Zone for Goniocidaris mikado (Döderlein, 1885) 
Japanese Exclusive Economic Zone for Goniocidaris mikado (Döderlein, 1885) 
Japanese Exclusive Economic Zone for Rhopalocidaris rosea Mortensen, 1928 
Japanese Exclusive Economic Zone for Stereocidaris (Phalacrocidaris) japonica (Döderlein, 1885) 
Japanese Exclusive Economic Zone for Stereocidaris microtuberculata (Yoshiwara, 1898) 
Japanese Exclusive Economic Zone for Stereocidaris sceptriferoides lamellata Mortensen, 1927 
Japanese Exclusive Economic Zone for Stylocidaris reini (Döderlein, 1887) 
Japanese Sea for Goniocidaris (Aspidocidaris) clypeata Döderlein, 1885 
Japanese Sea for Histocidaris elegans (A. Agassiz, 1879) 
Kagoshima Bay for Goniocidaris (Aspidocidaris) clypeata Döderlein, 1885 
Kagoshima Bay for Goniocidaris (Petalocidaris) biserialis (Döderlein, 1885) 
Kagoshima Bay for Rhopalocidaris rosea Mortensen, 1928 
Kagoshima Bay for Stylocidaris reini var. rubida Mortensen, 1927  (doubtful)
Kamchatka Shelf and Coast for Aporocidaris fragilis A. Agassiz & H.L. Clark, 1907 
Kei Islands for Goniocidaris (Aspidocidaris) fimbriata (de Meijere, 1904) 
Kei Islands for Goniocidaris (Petalocidaris) florigera A. Agassiz, 1879 
Kei Islands for Histocidaris recurvata Mortensen, 1928 
Kei Islands for Stereocidaris granularis Mortensen, 1928 
Kei Islands for Stereocidaris granularis Mortensen, 1928  (doubtful)
Kei Islands for Stylocidaris reini (Döderlein, 1887) 
Kei Islands for Stylocidaris reini var. rubida Mortensen, 1927 
Kerguelen Islands for Ctenocidaris (Eurocidaris) nutrix (Thomson, 1876) 
Korea Strait for Goniocidaris (Petalocidaris) biserialis (Döderlein, 1885) 
Macclesfield Bank for Stylocidaris maculosa Mortensen, 1928 
Magellan Strait for Austrocidaris canaliculata (A. Agassiz, 1863) 
Malacca Strait for Stereocidaris granularis Mortensen, 1928 
Malay Archipelago for Goniocidaris (Aspidocidaris) clypeata Döderlein, 1885  (inaccurate)
Malay Archipelago for Goniocidaris (Aspidocidaris) fimbriata (de Meijere, 1904) 
Malay Archipelago for Stereocidaris (Phalacrocidaris) japonica (Döderlein, 1885)  (inaccurate)
Marguerite Bay for Ctenocidaris geliberti (Koehler, 1912) 
Marthas Vineyard for Cidaris abyssicola (A. Agassiz, 1869) 
Milne Bay for Stylocidaris reini var. rubida Mortensen, 1927 
Mindanao for Stylocidaris reini (Döderlein, 1887) 
Mindanao  for Stylocidaris reini var. rubida Mortensen, 1927 
Molucca Sea for Histocidaris elegans (A. Agassiz, 1879) 
Nevis for Histocidaris sharreri (A. Agassiz, 1880) 
New Britain for Stylocidaris reini var. rubida Mortensen, 1927 
New Guinea for Stylocidaris reini var. rubida Mortensen, 1927 
New South Wales for Histocidaris elegans (A. Agassiz, 1879) 
New Zealand Exclusive Economic Zone for Histocidaris elegans (A. Agassiz, 1879)  (inaccurate)
Nias Island for Histocidaris denticulata Koehler, 1927 
North Atlantic for Cidaris cidaris var. meridionalis Mortensen, 1928 
North Atlantic for Poriocidaris purpurata (Thomson, 1872) 

 Original description

 for Stylocidaris reini cladothrix Mortensen, 1927

This variety differs from the typical form only in the shape of the hairs on the primary spines, these being ... [details]

 Status

 for Cidaris circinata von Martens, 1866

Mortensen (1928b: p. 437, under the name C. circinnata), following A. Agassiz, tentatively considers this a junior ... [details]

 Status

 for Stereocidaris alcocki var. teretispina (Döderlein, 1906)

The var. teretispina Döderl. appears to differ from the typical Alcocki (tricarinata) only in its primary spines ... [details]

 Status

 for Stylocidaris fusispina Mortensen, 1928

Generic attribution tentative [details]