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Remarks: Established as a suborder contain-
ing the families Fissurellidae, Dentaliidae,
Tecturidae, Gadiniidae, Patellidae, etc.
Elasmognatha Mörch, 1864
Reference: Videnskabelige Meddelelser fra
den Naturhistohske Forening i Kjöbenhavn,
17-22:267
Remarks: Taxon established at unspecified
rank, containing the family Succineidae only.
Ranked by Van Mol (1967: 12) as suborder
containing the families Succineidae and Athoracophoridae.
See also Succineoidea.
Eleutherobranchia Haszprunar, 1985
Reference: Zeitschrift für Zoologisctie Systematik
und Evolutionsforscliung, 23(1 ): 32-33
Remarks: Established at the rank of super-
order, as a replacement name for Acoela of
Thiele, 1926 [preoccupied in the Turbellar-
ia], containing the orders Notaspidea, Nudibranchia,
Anthobranchia, and ?Smeagolida.
Ellobiacea Van Mol, 1967
Reference: Académie Royale de Belgique.
Classe des Sciences, Mémoires, 37(5): 11
Remarks: Established as a suborder of -
sommatophora, containing the family Ello-
biidae only. Spelling and rank emended to
order Ellobiida, as a substitute name for Ac-
tophila, by Minichev & Statobogatov (1975:
11); to order Ellobiiformes (in synonymy of
Actophila) by H. Nordsieck (1993: 48).
Elysiacea Odhner, 1 939 [26 August]
Reference: Det Kongelige Norske Videnskab-
ers Selskabs Skrifter, 1 939(1 ): 1
Remarks: Established as a suborder of Sacoglossa,
containing the families Hermaeidae,
Elysiidae, and Limapontiidae. The contents
are the same as that of Pelseneer's "Elysiens"
(see under Elysiomorpha).
Elysiomorpha Pelseneer, 1906
Reference: A treatise on zoology, 5: 181
Remarks: Established as a "tribe" above family
level, containing the families Hermaeidae,
Phyllobranchidae, Plakobranchidae, Elysi-
idae, and Limapontiidae. Pelseneer (1892:
146) had earlier used the name "Elysiens"
(vernacular), containing the families Hermaeidae,
Elysiidae and Limapontiidae.
ENDODONTiNiASchileyko, 1979
Reference: Trudy Zoologicheskogo Instituía,
80:57
NOMENCLÁTOR OF GASTROPOD FAMILIES 203
Remarks: Established as infraorder, containing
the superfamilies Punctoidea and Thy-
rophorelloidea.
Enhydrobia de Cristofori & Jan, 1832
Reference: Catalogus in IV sectiones divisus
rerum naturalium in Museo exstantium Josephi
de Cristofori et Georgii Jan ..., Sectio
II, Pars I: 6
Remarks: A division of the Cephala containing
the freshwater gastropods.
Enterobranchiata de Quatrefages, 1844. See
family list.
Entobranchia p. Fischer, 1884 [30 June]
Reference: Manuel de conchyliologie et de
paléontologie conchyliologique, (7): 652-653
Remarks: Established as a division of Taenioglossa
containing a mixture of families today
placed in Caenogastropoda and Heterobran-
chia.
Entoconcha p. Fischer, 1883 [20 December]
Reference: Manuel de conchyliologie et de
paléontologie conchyliologique, (6): 551 , 566
Remarks: Division of Cephalaspidea contain-
ing the families Gastropteridae, Philinidae,
and Doridiidae [= Aglajidae] (p. 551); also
division of Anaspidea containing the family
Aplysiidae only (p. 566).
Entomostomata Blainville, 1818. See family list.
ENTOMOTAENiATACossmann, 1896 [December]
Reference: Essais de paléoconchologie comparée,
2: 5
Remarks: Established as a suborder containing
the families Tubiferidae, Itieriidae, and
Nerineidae.
EoGASTROPODA Pondor & Lindberg, 1995 [10
December]
Reference: Origin and evolutionary radiation
of the Mollusca: 145
Remarks: Taxon comprising Patellogastropoda
+ possible coiled (sinistral?) ancestors.
EoLiDOMORPHA Pelseneer, 1906
Reference: A treatise on zoology, 5: 1 78
Remarks: Established as a "tribe" [above family
level], equivalent in content to Cladohe-
patica, and containing the families Aeolidiidae,
Glaucidae, Hedylidae, Pseudovermidae,
Proctonotidae, Dotidae, Fionidae, Pleurophyllidiidae,
and Dermatobranchidae.