真有肺類（學名：Eupulmonata），舊作真肺亞目，是软体动物门腹足纲的一個演化支，皆為呼吸空氣的蝸牛和螺。當中大部分為在陸地生活的蝸牛和蛞蝓，但亦有在海中生活的螺。2017年的分類，本分類被劃為總目級分類單元，除新成立的耳螺目及跳過了泛有肺類支序以外，其他分類大體跟過往相去不遠[2]。
在1997年的分類，真有肺類物種列為亞目級，屬於有肺目。詳細如下：
- 真有肺下目 Eupulmonata Haszprunar & Huber, 1990
- 海岸螺小目（Acteophila Dall, 1885，舊作Archaeopulmonata）
- Superfamily Melampoidea Stimpson, 1851
- 擬松螺小目（Trimusculiformes Minichev & Starobogatov, 1975）
- 柄眼下目 Stylommatophora A. Schmidt, 1856 (land snails)
- 直尿道小目 Orthurethra
- 弯尿道小目 Sigmurethra
- Superfamily Acavoidea Pilsbry, 1895
- 非洲大蝸牛總科 Achatinoidea Swainson, 1840
- Superfamily Aillyoidea Baker, 1960
- Superfamily Arionoidea J.E. Gray in Turnton, 1840
- Superfamily Buliminoidea Clessin, 1879
- Superfamily Camaenoidea Pilsbry, 1895
- 烟管蜗牛总科 Clausilioidea Mörch, 1864
- Superfamily Dyakioidea Gude & Woodward, 1921
- Superfamily Gastrodontoidea Tryon, 1866
- 旋蜗牛超科 Helicoidea Rafinesque, 1815
- Superfamily Helixarionoidea Bourguignat, 1877
- Superfamily Limacoidea Rafinesque, 1815
- Superfamily Oleacinoidea H. & A. Adams, 1855
- Superfamily Orthalicoidea Albers-Martens, 1860
- Superfamily Plectopylidoidea Moellendorf, 1900
- Superfamily Polygyroidea Pilsbry, 1894
- 点螺超科 Punctoidea Morse, 1864
- Superfamily Rhytidoidea Pilsbry, 1893
- Superfamily Sagdidoidera Pilsbry, 1895
- Superfamily Staffordioidea Thiele, 1931
- Superfamily Streptaxoidea J.E. Gray, 1806
- Superfamily Strophocheiloidea Thiele, 1926
- Superfamily Trigonochlamydoidea Hese, 1882
- Superfamily Zonitoidea Mörch, 1864
根據2005年的《布歇特和洛克羅伊的腹足類分類》，真有肺類成為了一個不分級的支序，包括下列物種[3]：
本支序之下除了有柄眼類和收眼類兩個支序以外，其他分類元還包括：
- 擬松螺總科 Trimusculoidea Zilch, 1959
- Superfamily Otinoidea
- Family Otinidae
- Family Smeagolidae
- 耳螺總科 Ellobioidea（舊屬原始有肺目）
- 石磺總科 Onchidioidea Rafinesque, 1815
- 石磺科 Onchidiidae Rafinesque, 1815
- 皺足蛞蝓總科 Veronicelloidea Gray, 1840
- 皺足蛞蝓科 Veronicellidae Gray, 1840
- 拉索蛞蝓科 Rathouisiidae Heude, 1885
- 琥珀螺超科（Succineoidea）
- 无盔蛞蝓超科（Athoracophoroidea）
- Superfamily Partuloidea
- Family Partulidae
- Family Draparnaudiidae
- Superfamily Achatinelloidea
- Superfamily Cochlicopoidea
- Superfamily Pupilloidea
- Family Pupillidae
- Family Argnidae
- Family Chondrinidae
- † Family Cylindrellinidae
- Family Lauriidae
- Family Orculidae
- Family Pleurodiscidae
- Family Pyramidulidae
- Family Spelaeodiscidae
- Family Strobilopsidae
- Family Valloniidae
- Family Vertiginidae
- 艾纳螺超科（Enoidea B. B. Woodward, 1903 (1880)）[4]
- Superfamily Clausilioidea
- Family Clausiliidae
- † Family Anadromidae
- † Family Filholiidae
- † Family Palaeostoidae
- Superfamily Orthalicoidea
- Family Orthalicidae
- Family Cerionidae
- Family Coelociontidae
- † Family Grangerellidae
- Family Megaspiridae
- Family Placostylidae
- Family Urocoptidae
- 非洲大蝸牛總科 Achatinoidea
- Superfamily Aillyoidea
- Superfamily Testacelloidea
- Family Testacellidae
- Family Oleacinidae
- Family Spiraxidae
- Superfamily Papillodermatoidea
- Superfamily Streptaxoidea
- Superfamily Rhytidoidea
- Family Rhytididae
- Family Chlamydephoridae
- Family Haplotrematidae
- Family Scolodontidae
- Superfamily Acavoidea
- Family Acavidae
- Family Caryodidae
- Family Dorcasiidae
- Family Macrocyclidae
- Family Megomphicidae
- Family Strophocheilidae
- 点螺总科 Punctoidea
- 科 Punctidae
- † 科 Anastomopsidae
- 科 Charopidae
- 科 Cystopeltidae
- 圆盘螺科 Discidae Thiele, 1931
- Anguispira E.S.Morse, 1864
- Calogoniodiscus Pfeffer, 1930
- Canaridiscus M.R.Alonso & Ibáñez, 2011
- Coxiola Pfeffer, 1930
- 圆盘螺属 Discus Fitzinger, 1833
- Iulus Wollaston, 1878
- Manganellia Harzhauser, Neubauer & Georgopoulou, 2014
- Protodiscus Solem & Yochelson, 1979
- 科 Endodontidae
- 科 Helicodiscidae
- 山地蝸牛科 Oreohelicidae
- 科 Thyrophorellidae
- 总科 Sagdoidea
蛞蝓類支序（"Limacoid clade"）是一個臨時的名稱，包括下列三個總科：
- Superfamily Staffordioidea
- Superfamily Dyakioidea
- 腹齒螺總科 Gastrodontoidea
- 腹齒螺科 Gastrodontidae
- Family Chronidae
- 真蛞蝓科（Euconulidae）
- Family Oxychilidae
- Family Pristilomatidae
- Family Trochomorphidae
- Fossil taxa probably belonging to the Gastrodontoidea
- Subfamily † Archaeozonitinae
- Subfamily † Grandipatulinae
- Subfamily † Palaeoxestininae
- Superfamily Parmacelloidea
- Family Parmacellidae
- Family Milacidae
- Family Trigonochlamydidae
- 帶螺總科（Zonitoidea）
- Superfamily Helicarionoidea
- Superfamily Limacoidea
- Superfamily Arionoidea
- Family Arionidae
- Family Anadenidae
- Family Ariolimacidae
- Family Binneyidae
- Family Oopeltidae
- Family Philomycidae
- 旋蝸牛總科 Helicoidea
- 旋蝸牛科 Helicidae
- Family Bradybaenidae
- Family Camaenidae
- Family Cepolidae
- Family Cochlicellidae
- Family Elonidae
- Family Epiphragmophoridae
- Family Halolimnohelicidae
- Family Helicodontidae
- Family Helminthoglyptidae
- Family Humboldtianidae
- Family Hygromiidae
- Family Monadeniidae
- Family Pleurodontidae
- Family Polygyridae
- Family Sphincterochilidae
- Family Thysanophoridae
- Family Trissexodontidae
- Family Xanthonychidae
2017年的分類，本支序成為了真有肺總目；而其下的各個總科亦重組成為以下三個目[2]：
Bouchet, P.; Rocroi, J.-P.; Hausdorf, B.; Kaim, A.; Kano, Y.; Nützel, A.; Parkhaev, P.; Schrödl, M.; Strong, E.E. Revised Classification, Nomenclator and Typification of Gastropod and Monoplacophoran Families. Malacologia. 2017, 61 (1–2): 1–526. OCLC 7296100651. S2CID 91051256. doi:10.4002/040.061.0201. 吴岷 (编). 二、霜纳螺科 Pachnodidae Steenberg, 1925. 中国动物志. 无脊椎动物 第58卷 艾纳螺总科 第一版. 科学出版社. 2018-06-01: 229-234 [2018-12-27]. ISBN 9787030574831 （中文（简体））.
