Tyrannodoris is a genus of sea slugs, polycerid nudibranchs, marine gastropod molluscs in the family Polyceridae. Most of these species were formerly considered to belong to the genus Roboastra. They are carnivorous, feeding on other species of nudibranch, especially similar looking species of Tambja.Rudman, W.B., 2007 (Jan 23). Comment on Roboastra luteolineata - Feeding behaviour! by Graham Abbott. [Message in] Sea Slug Forum. Australian Museum, Sydney.
Species Species in the genus Tyrannodoris include:MolluscaBase (2018). Tyrannodoris Willan & Chang, 2017. Accessed through: World Register of Marine Species on 2018-08-20.
Tyrannodoris caboverdensis (Pola, Cervera & Gosliner, 2003)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 Tyrannodoris ernsti (Pola, Padula, Gosliner & Cervera, 2014) Tyrannodoris europaea (García-Gómez, 1985) Tyrannodoris leonis (Pola, Cervera & Gosliner, 2005)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. Tyrannodoris luteolineata (Baba, 1936) Tyrannodoris nikolasi (Pola, Padula, Gosliner & Cervera, 2014) Tyrannodoris ricei (Pola, Cervera & Gosliner, 2008)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) Tyrannodoris tigris (Farmer, 1978)Farmer, W.M. 1978. "Tambja and Roboastra (Mollusca, Opisthobranchia) from the Gulf of California and the Galapagos Islands." Veliger, 20: 375-385.
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