Template:Mortensen, 1925a

• Mortensen, O.T.J. 1925. On a small collection of echinoderms from the Antarctic Sea. Arkiv för Zoologi. 17A(31): 1–12.  
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Nomenclatural acts

New names (5)

• Ophiomastus bispinosus
• Ophiurolepis wallini
• Paracucumis
• Paracucumis antarctica
• Psolidium tenue