On a new species of cephalodiscus (C. nigrescens) from the Antarctic Ocean

• 2 September 1905
• journal article
• Published by The Royal Society in Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character
• Vol. 76  (511) , 400-402
• https://doi.org/10.1098/rspb.1905.0036

Abstract