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. 2016 May 5;4:e1951. doi: 10.7717/peerj.1951

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© 2016 Miranda et al.

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.

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Calvadosia tasmaniensis: (A–B) pad (pa) on the tip of an arm separate from the secondary tentacles (tc); Calvadosia cruxmelitensis: (C) pad (pa) on the tip of an arm, with secondary tentacles (tc) arising directly from it; Craterolophus convolvulus: (D) pads (pa) in the outermost secondary tentacles (tc); Calvadosia vanhoeffeni: (E) pads (pa) in the outermost secondary tentacles (tc); Calvadosia campanulata: (F) pads (pa) in the outermost secondary tentacles (tc). Photo credit: Lucília Miranda.