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214 BOUCHET&ROCROI
Malacodermata p. Fischer, 1883 [21 February]
Reference: Manuel de conchyliologie et de
paléontologie conchyliologique, (5): 422
Remarks: Established as a suborder of Gymnosomata
containing the family Clioidae only.
Mathildoidei Starobogatov, 1989
Reference: [in Golikov & Starobogatov] Trudy
Zoologicheskogo Institute, 187: 74
Remarks: Established as a suborder of Architectoniciformes
containing the family Mathil-
didae.
Megapterygia Latreille, 1824 [November]
Reference: Annales des Sciences Naturelles,
3: 326, table between pages 334-335
Remarks: Original spelling (vernacular) "Mégaptérygiens".
Latinized by Latreille (1825:
169). Established as an order of the class
Pteropoda, containing the families Procephala
and Cryptocephala.
MEGASTOMATABIainville, 1818
Reference: Dictionnaire des Sciences Naturelles,
10: 184 and table between pp. 214-215
Remarks: Original spelling (vernacular) "Mégastomes".
Latinized by Bowdich (1822: 25).
Taxon containing the genera "Cabochon",
"Crépidule", "Stomate", "Slgaret", "Haliotide",
and "Patelle".
Melanellida Minichev & Starobogatov, 1979
[after 14 February]
Reference: Zoologicheskii Zhurnal, 58(3): 298
Remarks: Established as an order containing
the superfamilies Pseudomelanioidea, Tro-
chaclidoidea, Aclidoidea, and Melanelloidea;
and (same paper) as a superorder Melanel-
loida including the order Melanellida only.
Meronephridia R. Perrier, 1889
Reference: Recherches sur l'anatomle et
l'histologie du rein des Gastéropodes Prosobranches:
281
Remarks: Original spelling "Méronéphridiens"
(vernacular); spelled "Méronéphridés" by E.
Perrier (1897: 2095). Latinized by Ponder &
Waren (1988: 313). Established as a division
of Stenoglossa, containing Voluta, Oliva,
Marginella, Harpa, Pleurotoma, Terebra, and
Conus (contents in R. Perrier, 1893: 605).
Mesogastropoda Thiele, 1925 [1 November]
Reference: Handbuch der Zoologie, 5(1): 78
Remarks: Established as an order containing
the superfamilies Architaenioglossa, Valvata-
cea, Rissoacea, Littorinacea, Cerithiacea,
Ptenoglossa, Aglossa, Amaltheacea, Natica-
cea, Lamellahacea, Cypraeacea, Calyptraeacea,
Heteropoda, Strombacea, and Dolia-
cea. Spelling emended by Anderson (1992:
36) to Mesogastropodida.
Mesommatophora Simroth, 1889
Reference: Nova Acta, Kaiserlich Leopoldinish-Carolinische
Deutsche Akademie der
Naturforscher, 5A{^):Q5
Remarks: Original spelling (vernacular) "Mesommatophoren".
Latinized by Simroth
(1896: 44). Taxon containing the families
Athoracophoridae, Vaginulidae, and Onchi-
diidae.
MesoproctaE. Perrier, 1897
Reference: Traité de zoologie, 4: 2114
Remarks: Division of the Nudibranchiata containing
the Hologastraea and Dendrogas-
traea.
Mesurethra H. B. Baker, 1955 [28 April]
Reference: The Nautilus, 68(4): 109
Remarks: Established as a suborder of Geophila
including the superfamily Cerionoidea
only
Metamesogastropoda Bändel, 1991
Reference: Berliner Geowissenschaftliche
Abhandlungen, ser. A, 134: 38
Remarks: Original spelling Meta-Mesogastropoda.
Established as unranked division of
the Caenogastropoda including Purpu-
rinoidea, Stromboidea, Heteropoda, Pickworthiidae,
and Vanikoridae. Spelling and
rank emended by Bändel (1993b: 24) to order
Metamesogastropoda [now including the
Rissooidea].
Metatrochina Naef, 1911
Reference: Ergebnisse und Fortschritte der
Zoologie, 3(2): 158-159
Remarks: Original spelling Metatrochinae. Established
as a division of Azygobranchia, as
a substitute name for Monotocardia, containg
the Pectinibranchia and Heterobranchia.
Meturethra Ihering, 1929
Reference: Abhandlungen des Archiv für Molluskenkunde,
2{2): 156
Remarks: Established as a division of Neph-
ropneusta.
MicROPTERYGiA Latreille, 1824 [November]
Reference: Annales des Sciences Naturelles,
3: table between pp. 334-335
Remarks: Original spelling (vernacular) "Microptérygiens".
Latinized by Latreille (1825: