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NoTASPiDEA P. Fischer, 1883 [20 December]
Reference: Manuel de conchyliologie et de
paléontologie conchyliologique, (6): 550, 571
Remarks: Established as a division of Tectibranchiata
including the genera Pleurobranchus
and Umbrella.
NoTOBRANCHiA Gray, 1821
Reference: London Medical Repository , 15: 232
Remarks: Established as an order including
the genera Aplysia and Bulla.
NoTONEURÉs Lacaze-Duthiers, 1888
Reference: Comptes Rendus des Séances de
l'Académie des Sciences [Pans], 1 06: 721 , 724
Remarks: Vernacular name only. Established
as an order of "Gastéropodes As-
trepsineurés", including the genera Tethys,
Tritonia, Doris, Ombrella, the eolids, Aply-
sia, Bulla, and Philine.
NucLEOBRANCHiATABIainville, 1814 [November]
Reference: Bulletin des Sciences par la Société
Philomatique de Paris, Zoologie, (1814): 177
Remarks: Established as order "Nucléobranch-
es" (vernacular); latinized by Blainville (1824:
282), containing the families Nectopoda and
Pteropoda. See also Caryobranchiata.
NuDiBRANCHiA Cuvier, 1814 [December]
Reference: [in Blainville] Bulletin des Sciences
par la Société Philomatique de Paris.
Zoo/og/e, (1814): 177
Remarks: Original spelling (vernacular) "Nudibranches";
latinized (as Nudibranchi) by
Bowdich (1822: 58). Established as an or-
der, with the genera Doris, Polycera, Tethys,
Scyllaea, Glaucus, Aeolis, and Tergipes given
as examples. Spelling emended by Anderson
(1992: 37) to Nudibranchida.
NuDiPEDA Fleming, 1828 [March]
Reference: A history of British animals: 296
Remarks: Division of the Pectinibranchia
Cryptobranchia containing the genera Jan-
thina and Velutina.
NuDiPLEURA Wägele & Willan, 2000 [14 September]
Reference: Zoological Journal of the Linnean
Society, ^o{^). ^ 67
Remarks: Glade containing the Pleurobranchoidea
and the Nudibranchia.
Odontoglossa Gray, 1853 [February]
Reference: Annals and Magazine of Natural
History, ser 2, 11: 127
NOMENCLÁTOR OF GASTROPOD FAMILIES 217
Remarks: Division of the Proboscidifera con-
taining the families Fasciolariidae and Tur-
binellidae.
Okadaiina Minichev & Starobogatov, 1979
Reference: Vsesoiuznoe soveshchanie po
izucheniiu molliuskov, 6: 19
Remarks: Established as a suborder of the
order Doridida. No contents given.
Oleacinina Schileyko, 1979
Reference: Trudy Zoologicheskogo Instituta,
80:56
Remarks: Established as a suborder of Heli-
cida containing the superfamilies Testacelloidea
and Streptaxoidea.
Olivelloidei Golikov & Starobogatov, 1989
Reference: Trudy Zoologicheskogo Instituta,
187:73
Remarks: Established as a suborder contain-
ing the family Olivellidae only.
Onchidiida Starobogatov, 1 970 [after 1 5 October]
Reference: Fauna molliuskov i zoogeograficheskoe
raionirovanie kontinental'nykh vodoemov
zemnogo shara: 45
Remarks: Established as an order containing
the superfamily Onchidioidea only. Spelling
and rank emended by Minichev & Slavoshevskaja
(1971 : 360) to subclass Onchid-
iacea; by Golikov & Starobogatov (1 989: 69)
to superorder Onchidiiformii and order On-
chidiiformes; by H. Nordsieck (1993: 48) to
suborder Onchidioidei and infraorderOnchid-
ioinei.
Onchidoridina Minichev & Starobogatov, 1 979
Reference: Vsesoiuznoe soveshchanie po
izucheniiu molliuskov, 6: 19
Remarks: Established as a suborder of the
order Doridida. No contents given.
Onychochilida Minichev & Starobogatov, 1979
Reference: Zoologicheskii Zhurnal, 58(3): 298
Remarks: Established as an order containing
the family Onychochilidae only. Spelling and
rank emended by Starobogatov (in Amitrov,
1984: 38) to order Onychochiliformes and
superorder Onychochiliformii.
Onychoglossa G. O. Sars, 1878
Reference: Mollusca regionis arcticae Norve-
giae: 1 1
Remarks: Substitute name for Docoglossa,
containing the families Patellidae, Tecturidae,
and Lepetidae.