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Remarks: Established as an order of Pteropoda
containing the genera Clio, Pneumodermon,
and "Spongobranchus" [= Spongiobranchia].
Dexiarchia Schrödl, Wägele & Willan, 2001
Reference: Zoologischer Anzeiger, 240: 94, 96
Remarks: Clade of Opisthobranchia comprising
the Cladobranchia and the genus Doridoxa.
Spelled Archidexia by Schrödl (2003: 19).
Dexioprocta E. Perrier, 1897
Reference: Traité de Zoologie, 4: 2112
Remarks: Established as a division of the suborder
Nudibranchiata containing families of
arminids, dendronotoids and aeolids but not
thedorids.
Dextrobranchia Minichev & Starobogatov, 1975
Reference: Vsesoiuznoe soveshchanie po
izucheniiu molliuskov, 5: 10
Remarks: Established as a subclass, equivalent
in content to Opisthobranchia + Opisthopneumona.
See also Peracliones.
Dextrotracta Haszprunar, 1988 [14 December]
Reference: Journal of Molluscan Studies,
54(4): 430
Remarks: Clade containing Rissoelloidea, Glacidorboidea,
and the Rhinophoralia.
Diaphanida Minichev & Starobogatov, 1975
Reference: Vsesoiuznoe soveshchanie po
izucheniiu molliuskov, 5: 11
Remarks: Established as an order of Cephalaspidea;
contents not given. Spelling and
rank emended to suborder Diaphanacea by
TE. Thompson (1976: 17).
Dicranobranchia Gray, 1821
Reference: London Medical Repository, 1 5: 233
Remarks: Established as an order containing
the genera Fissurella, Scutus, Diodora, and
Emarginula.
DiGmcLossA Gray, 1853 [February]
Reference: Annals and Magazine of Natural
History, ser 2, 11: 130
Remarks: Taxon containing the family Amphiperatidae
only. An objective senior synonym
of Dactyloglossa.
Digonopora Suter, 1913 [December]
Reference: Manual of New Zealand Mollusca:
6^8, 808
Remarks: Introduced as a "tribe" of the suborder
Stylommatophora containing the family
Onchidiidae.
NOMENCLÁTOR OF GASTROPOD FAMILIES 201
DioecaGíII, 1871 [February]
Reference: Smithsonian Miscellaneous Collections,
227: 4
Remarks: Established as a subclass of Gasteropoda
containing the orders Pectinibranchia,
Heteropoda, Rhipidoglossa, Docoglossa,
and Polyplacophora.
Dioecia Macdonald, 1881
Reference: Journal of the Linnean Society,
Zoology, ^ 5: 243-244
Remarks: Established as a division of gastropods
containing the caenogastropod fami-
lies, plus Pyramidellidae and Solariidae.
Dioica Latreille, 1824 [November]
Reference: Annales des Sciences Naturelles,
3: table between pp. 334-335
Remarks: Original spelling (vernacular) "Di-
oïques". Latinized by Latreille (1825: 182).
Treated by Blainville (1 824: 1 94) as subclass
including the orders Siphonobranchiata and
Asiphonobranchiata.
Diotocardia Mörch, 1865 [5 October]
Reference: Journal de Conchyliologie, 13: 399
Remarks: Established as an unranked taxon
containing Rhipidoglossata, Cyclobranchia
[Patella, Chiton], and Cirribranchia [Denta-
lium].
Dipleurobranchia Gray, 1821
Reference: London Medical Repository, 15:
234
Remarks: Established as an order containing
the genus Phyllidia.
Dipleurobranchia P. Fischer, 1883 [20 Decem-
ber]
Reference: Manuel de conchyliologie et de
paléontologie conchyliologique, (6): 529
Remarks: Division of opisthobranchs contain-
ing the family Pleurophyllidiidae [= Arminidae].
DipneustaP. Fischer, 1883
Reference: Manuel de conchyliologie et de
paléontologie conchyliologique, (5-6): 512;
(7)[1 884]: 652-653
Remarks: Division of pulmonates containing
the family Gadiniidae only [1883]. Also divi-
sion of Taenioglossa containing the family
Ampullariidae[1884].
DiscopoDA P. Fischer, 1884 [30 June]
Reference: Manuel de conchyliologie et de
paléontologie conchyliologique, (7): 652-
653