Reference

Gregor Christa, Katharina Händeler, Till F Schäberle, Gabriele M. König, Heike Wägele (2014): Identification of sequestered chloroplasts in photosynthetic and non-photosynthetic sacoglossan sea slugs (Mollusca, Gastropoda) – Frontiers in Zoology – 2014: 0001-15-0012.