^Willan R.C. & Chang Y.-W.. (2017). Description of three new species of Tambja (Gastropoda, Nudibranchia, Polyceridae) from the western Pacific Ocean reveals morphological characters with taxonomic and phylogenetic significance for traditional Polyceridae and related 'phaneorobranch' nudibranchs. Basteria. 81(1-3): 1-23.
^Pola, M.; Cervera, J.L.; Gosliner, T.M. 2003: The genus Roboastra Bergh, 1877 (Nudibranchia: Polyceridae: Nembrothinae) in the Atlantic Ocean. Proceedings of the California Academy of Sciences, 54(22): 381-392.
PDF
^Pola, M.., Cervera, J.L. & Gosliner, T.M. (2005) "Review of the systematics of the genus Roboastra Bergh, 1877 (Nudibranchia, Polyceridae, Nembrothinae) with the description of a new species from the Galápagos Islands." Zoological Journal of the Linnean Society, 144(2): 167–189.
doi:
10.1111/j.1096-3642.2005.00167.x
^Pola, M.; Cervera, J.L.; Gosliner, T.M. 2008: Description of the first Roboastra species (Nudibranchia, Polyceridae, Nembrothinae) from the western Atlantic. Bulletin of marine science, 83(2): 391-399.
abstract and pdf (subscription)
^Farmer, W.M. 1978. "Tambja and Roboastra (Mollusca, Opisthobranchia) from the Gulf of California and the Galapagos Islands." Veliger, 20: 375-385.