Megalophaedusa

{{Short description|Genus of gastropods}}

{{Italic title}}

{{Automatic_taxobox

| image = Megalophaedusa martensi 02.jpg

| image_caption = Megalophaedusa martensi. The individual in the photo has a shell 45.5 mm long and weighs 3.2g with the soft parts intact.

| status =

| taxon = Megalophaedusa

| authority = Boettger, 1877 [http://www.ubio.org/NZ/search.php?search=megalophaedusa&quickSearch=QuickSearch&selectall=Check+All&colname=on&colcategory=on&colauthority=on&colcomments=on&page=&vol=]

|synonyms=

• Aprosphyma A. J. Wagner, 1920 (junior synonym)
• Clausilia (Megalophaedusa) O. Boettger, 1877
• Decolliphaedusa Azuma, 1982
• Hemiphaedusa (Pinguiphaedusa) Azuma, 1982
• Hemiphaedusa (Placeophaedusa) Minato, 1994
• Megalophaedusa (Aulacophaedusa) Habe, 1958 · alternate representation
• Megalophaedusa (Dimphaedusa) Motochin & Ueshima, 2017 · alternate representation
• Megalophaedusa (Megalophaedusa) O. Boettger, 1877 · alternate representation
• Megalophaedusa (Mesozaptyx) Kuroda, 1963 (not available: nomen nudum)
• Megalophaedusa (Mundiphaedusa) Minato, 1979
• Megalophaedusa (Neophaedusa) Kuroda & Minato, 1975 · alternate representation
• Megalophadeusa (Pauciphaedusa) Minato & Habe, 1983 · alternate representation
• Megalophaedusa (Pinguiphaedusa) Azuma, 1982 · alternate representation
• Megalophaedusa (Tyrannophaedusa) Pilsbry, 1900 · alternate representation
• Megalophaedusa (Tyrannophaedusoides) Motochin & Ueshima, 2017 · alternate representation
• Megalophaedusa (Ventriphaedusa) Azuma, 1982 · alternate representation
• Megalophaedusa (Vitriphaedusa) Azuma, 1982 · alternate representation
• Mundiphaedusa Minato, 1979
• Mundiphaedusa (Aulacophaedusa) Habe, 1958
• Neophaedusa Kuroda & Minato, 1975 (original rank)
• Pauciphaedusa Minato & Habe, 1983
• Pinguiphaedusa Azuma, 1982
• Spinulaphaedusa Minato, 1994
• Tyrannophaedusa Pilsbry, 1900
• Tyrannophaedusa (Aulacophaedusa) Habe, 1958
• Tyrannophaedusa (Decolliphaedusa) Azuma, 1982
• Tyrannophaedusa (Tyrannophaedusa) Pilsbry, 1900
• Ventriphaedusa Azuma, 1982
• Vitriphaedusa Azuma, 1982

}}

Megalophaedusa is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails, all of which have a clausilium.MolluscaBase eds. (2022). MolluscaBase. Megalophaedusa O. Boettger, 1877. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=996166 on 2022-07-03

This genus occurs in Japan.