Papers from Dr. Th. Mortensen's Pacific Expedition 1914-1916, XI. Ascidiae Ptychobranchiae und Diktyobranchiae von Neuseeland und dem Chatham-Inseln
Published in Videnskabelige Meddelelser Nat For Kjobenhavn, in 1922, in volume 73, pages 359-498
Date published:1922
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