Template:Mortensen, 1933b

• Mortensen, O.T.J. 1933. The echinoderms of St. Helena (Other than crinoids). Papers from Dr. Th. Mortensen's Pacific Expedition 1914-16. LXVI. Videnskabelige Meddelelser fra den Naturhistoriske Forening i Kjøbenhavn. 93: 401-473; pl. XX-XXII. PDF  
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Nomenclatural acts

• Date of publication: 1933

New names

(List may be incomplete)

• Astropecten sanctaehelenae
• Narcissia trigonaria var. helenae
• Ophiomusium spinigerum
• Ophiophycis gracilis