Atagema

Atagema
Atagema rugosa on the Atlantic Coast of the Cape Peninsula, South Africa
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Nudibranchia
Family:	Discodorididae
Genus:	Atagema Gray, 1850
Type species
Doris carinataQuoy & Gaimard, 1832
Synonyms
list GlossodoridiformiaO'Donoghue, 1927 [1] PetelodorisBergh, 1882 [1] PhlegmodorisBergh, 1878 [1] TrippaBergh, 1877 [1] Trippa (Phlegmodoris)Bergh, 1878 junior subjective synonym

Atagema is a genus of sea slugs, specifically dorid nudibranchs. They are marine gastropod molluscs in the family Discodorididae. ^{[2] [3]}

General characteristics

(Original description) The respiratory gills are significantly reduced and positioned at the distal end of the dorsal sac. ^[4]

Species

Species so far described in this genus include: ^{[2] [5]}

• Atagema alba (O'Donoghue, 1927) hunchback doris
• Atagema anceps (Bergh, 1890)
• Atagema boucheti Valdés & Gosliner, 2001
• Atagema browni T. E. Thompson, 1980
• Atagema carinata (Quoy & Gaimard, 1832) - type species
• Atagema echinata (Pease, 1860)
• Atagema gibba Pruvot-Fol, 1951
• Atagema hispida (A. d'Orbigny, 1836)
• Atagema intecta (Kelaart, 1858)
• Atagema kimberlyae Innabi, Stout & Á. Valdés, 2023
• Atagema molesta (M. C. Miller, 1989)
• Atagema notacristata Camacho-Garcia & Gosliner, 2008
• Atagema ornata (Ehrenberg, 1831)
• Atagema osseosa Kelaart, 1859
• Atagema papillosa (Risbec, 1928)
• Atagema rugosa Pruvot-Fol, 1951 rugby-ball dorid, spined dorid
• Atagema scabriuscula (Pease, 1860)
• Atagema sobanovae (Innabi et al., 2023)
• Atagema spinosa (Risbec, 1928)
• Atagema spongiosa (Kelaart, 1858)
• Atagema triphylla (Bergh, 1892)
• Atagema tristis (Alder & Hancock, 1864)

Species inquirenda

• Atagema africanaPruvot-Fol, 1953
• Atagema albata (Burn, 1962)

synonyms

• Atagema paagoumenei(Risbec, 1928): synonym of Atagema spongiosa(Kelaart, 1858) (junior subjective synonym)
• Atagema prea(Ev. Marcus & Er. Marcus, 1967) is a synonym of Sclerodoris prea (Ev. Marcus & Er. Marcus, 1967)
• Atagema quadrimaculataCollier, 1963: synonym of Atagema alba(O'Donoghue, 1927)

References

1. Valdés Á. & Gosliner T.M. (2001). Systematics and phylogeny of the caryophyllidia-bearing dorids (Mollusca, Nudibranchia), with the description of a new genus and four new species from Indo-Pacific deep waters. Zoological Journal of the Linnean Society 133(2): 103-198
2. Atagema Gray, 1850 . 17 December 2025. Retrieved through: World Register of Marine Species .
3. Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180-213
4. Gray, J.E. in Gray, M.E. (1850). Figures of molluscous animals, selected from various authors, etched for the use of students, vol. 4, pp. 1-124. Longman, Brown, Green and Longmans, London. This article incorporates text from this source, which is in the public domain .
5. Innabi, Julie; Stout, Carla C.; Valdés, Ángel (2023-03-07). "Seven new "cryptic" species of Discodorididae (Mollusca, Gastropoda, Nudibranchia) from New Caledonia". ZooKeys (1152): 45–95. Bibcode:2023ZooK.1152...45I. doi: 10.3897/zookeys.1152.98258 . ISSN   1313-2970. PMC   10194415 .

• O'Donoghue, C.H. (1927). "Notes on a collection of nudibranchs from Laguna Beach, California". Journal of Entomology and Zoology, Pomona Coll. 19: 77–119.

External links

• Bergh, L. S. R. (1877). "Kritische Untersuchung der Ehrenberg'schen Doriden". Deutsche Malakozoologische Gesellschaft Jahrbücher. 4: 63. Retrieved 17 December 2025.
• >L. S. R., L. S. R. (1882). "Beiträge zur Kenntniss der japanischen Nudibranchien. II". Verhandlungen der königlich-kaiserlich Zoologisch-botanischen Gesellschaft in Wien (Abhandlungen). 31: 219–254.
• Bergh, L. S. R. (1878). Malacologische Untersuchungen. In: C. Semper (ed.) Reisen im Archipel der Philippinen, Theil 2, Wissenschaftliche Resultate, Band 2, Theil 2,