''Roboastra'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

sea slug Sea slug is a common name for some Marine biology, marine invertebrates with varying levels of resemblance to terrestrial Slug, slugs. Most creatures known as sea slugs are gastropods, i.e. they are Sea snail, sea snails (marine gastropod moll ...

s, polycerid

nudibranch Nudibranchs () are a group of soft-bodied marine gastropod molluscs, belonging to the order Nudibranchia, that shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have b ...

s, marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusc Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...

s in the family

Polyceridae The Polyceridae are a taxonomic family of sea slugs, dorid nudibranchs, marine gastropod mollusks within the superfamily Polyceroidea. Taxonomy The family Polyceridae is classified within the clade Doridacea, itself belonging to the clade Eu ...

. They are carnivorous, feeding on other species of nudibranch.

Species

Species in the genus ''Roboastra'' include:MolluscaBase (2018)
''Roboastra'' Bergh, 1877.
Accessed through: World Register of Marine Species on 2018-08-20. * '' Roboastra arika'' Burn, 1967 * '' Roboastra gracilis'' (

Bergh Bergh is a former municipality in the Dutch province of Gelderland. The municipality included the villages of 's-Heerenberg, Zeddam, and Stokkum. In 2005, it merged with Didam to form the new municipality of Montferland Montferland () i ...

, 1877) * '' Roboastra rubropapulosa'' (Bergh, 1905) * '' Roboastra tentaculata'' (Pola, Cervera & Gosliner, 2005)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) Species transferred to other genera: * ''Roboastra caboverdensis'' Pola, Cervera & Gosliner, 2003 synonym of ''

Tyrannodoris caboverdensis ''Tyrannodoris caboverdensis'' is a species of sea slug, a polycerid nudibranch, and a marine gastropod mollusc in the family Polyceridae. Distribution This species was discovered in the Cape Verde Islands Cape Verde or Cabo Verde, off ...

'' (Pola, Cervera & Gosliner, 2003) * ''Roboastra ernsti'' Pola, Padula, Gosliner & Cervera, 2014 synonym of '' Tyrannodoris ernsti'' (Pola, Padula, Gosliner & Cervera, 2014) * ''Roboastra europaea'' García-Gómez, 1985 synonym of '' Tyrannodoris europaea'' (García-Gómez, 1985) * ''Roboastra gratiosa'' (

, 1890) synonym of '' Tambja gratiosa'' * ''Roboastra leonis'' Pola, Cervera & Gosliner, 2005 synonym of ''

Tyrannodoris leonis ''Tyrannodoris leonis'' is a species of sea slug, a polycerid nudibranch, a marine gastropod mollusc in the family Polyceridae. Distribution This species was described from the Galapagos Islands. It is also found in the Eastern Pacific Ocean, ...

'' (Pola, Cervera & Gosliner, 2005) * ''Roboastra luteolineata'' (Baba, 1936) synonym of '' Tyrannodoris luteolineata'' (Baba, 1936) * ''Roboastra nikolasi'' Pola, Padula, Gosliner & Cervera, 2014 synonym of '' Tyrannodoris nikolasi'' (Pola, Padula, Gosliner & Cervera, 2014) * ''Roboastra ricei'' Pola, Cervera & Gosliner, 2008 synonym of '' Tyrannodoris ricei'' (Pola, Cervera & Gosliner, 2008) * ''Roboastra tigris'' Farmer, 1978 synonym of ''

Tyrannodoris tigris ''Tyrannodoris tigris'' is a species of sea slug, a polycerid nudibranch, a marine (ocean), marine gastropod mollusc in the family Polyceridae. It is a known predator of ''Tambje eliora'' and ''Tambje abdere'', two species of smaller nudibranchs. ...

'' (Farmer, 1978)

References

{{Taxonbar, from=Q3939303 Polyceridae