Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Heterobranchia
Infraclassis: Euthyneura
Cohors: Tectipleura
Subcohors: Panpulmonata
Superordo: Eupulmonata
Ordo: Stylommatophora
Subordines (3): Achatinina – Helicina – Scolodontina
Familiae Incertae sedis (7): †Anadromidae – †Anostomopsidae – †Cylindrellinidae – †Grandipatulidae – †Grangerellidae – †Palaeoxestinidae – †Scalaxidae
Genus Incertae sedis (1): †Cherusciola
Elasmognatha -
Overview of familiae (116 + 9†)
A
Acavidae – Achatinellidae – Achatinidae – Agardhiellidae – Agriolimacidae – Aillyidae – Amastridae – Amphibulimidae – Anadenidae – Argnidae – Ariolimacidae – Arionidae – Ariophantidae – Athoracophoridae – Azecidae
B
Binneyidae – Boettgerillidae – Bothriembryontidae – Bulimulidae
C
Camaenidae – Canariellidae – Caryodidae – Cepolidae – Cerastidae – Cerionidae – Charopidae – Chondrinidae – Chronidae – Clausiliidae – Clavatoridae – Cochlicopidae – Coelociontidae – Corillidae – Cystopeltidae
D
Diapheridae – Discidae – Dorcasiidae – Draparnaudiidae – Dyakiidae
E
Elonidae – Endodontidae – Enidae – Epirobiidae – Eucalodiidae – Euconulidae
F
Fauxulidae – Ferussaciidae
G
Gastrocoptidae – Gastrodontidae – Geomitridae
H
Haplotrematidae – Helicarionidae – Helicidae – Helicodiscidae – Helicodontidae – Holospiridae – Hygromiidae
L
Labyrinthidae – Lauriidae – Limacidae
M
Macrocyclidae – Megaspiridae – Megomphicidae – Micractaeonidae – Milacidae
O
Odontocycladidae – Odontostomidae – Oleacinidae – Oopeltidae – Orculidae – Oreohelicidae – Orthalicidae – Oxychilidae
P
Pagodulinidae – Papillodermatidae – Parmacellidae – Partulidae – Philomycidae – Plectopylidae – Pleurodiscidae – Pleurodontidae – Polygyridae – Pristilomatidae – Punctidae – Pupillidae – Pyramidulidae
R
Rhytididae
S
Sagdidae – Scolodontidae – Sculptariidae – Simpulopsidae – Solaropsidae – Spelaeoconchidae – Spelaeodiscidae – Sphincterochilidae – Spiraxidae – Staffordiidae – Streptaxidae – Strobilopsidae – Strophocheilidae – Succineidae
T
Testacellidae – Thysanophoridae – Trichodiscinidae – Trigonochlamydidae – Trissexodontidae – Trochomorphidae – Truncatellinidae
U
Urocoptidae – Urocyclidae
V
Valloniidae – Vertiginidae – Vidaliellidae – Vitrinidae
X
Xanthonychidae
Z
Zachrysiidae – Zonitidae
†
†Anadromidae – †Anostomopsidae – †Cylindrellinidae – †Filholiidae – †Grandipatulidae – †Grangerellidae – †Palaeostoidae – †Palaeoxestinidae – †Scalaxidae
Name
Stylommatophora Schmidt, 1855
References
Primary references
Schmidt, A. 1855. Der Geschlechtsapparat der Stylommatophoren in taxonomischer Hinsicht gewürdigt. Abhandlungen des Naturwissenschaftlichen Vereins für Sachsen und Thüringen in Halle 1: 1–52, pls. 1–14. BHL.
Additional references
Bouchet P., Rocroi J.-P., Frýda J., Hausdorf B., Ponder W., Valdés Á. & Warén A., 2005, Classification and nomenclator of gastropod families. Malacologia: International Journal of Malacology (Hackenheim, Germany: ConchBooks) 47(1-2): 1–397.
Araya, J.F.; Catalán, R. 2014: A review of the non-bulimulid terrestrial Mollusca from the Region of Atacama, northern Chile. ZooKeys, 398: 33–51. DOI: 10.3897/zookeys.398.4282 Reference page.
Links
Stylommatophora in the World Register of Marine Species
Vernacular names
Alemannisch: Landschnägge
català: Estilommatòfor
Deutsch: Landlungenschnecken
English: Stylommatophora
español: Estilomatóforos
suomi: Maakeuhkokotilot
galego: Estilomatóforos
norsk: Landlungesnegler
Diné bizaad: Chʼosh chʼééh digháhii bideeʼ dį́įʼii
русский: Стебельчатоглазые
slovenčina: Slimáky
svenska: Landlungsnäckor
українська: Слимаки
Stylommatophora is an order[3] of air-breathing land snails and slugs, terrestrial pulmonate gastropod molluscs. This taxon includes most land snails and slugs. Stylommatophorans lack an operculum, but some close their shell apertures with temporary "operculum" (epiphragm) made of calcified mucus. They have two pairs of retractile tentacles, the upper pair of which bears eyes on the tentacle tips. All stylommatophorans are hermaphrodites.
The two strong synapomorphies of Stylommatophora are a long pedal gland placed beneath a membrane and two pairs of retractile tentacles.[4]
Stylommatophora are known from the Cretaceous period up to the present day.[5] A molecular clock estimate puts the origin of the crown group also to the Cretaceous.[6]
2017 taxonomy
The most up-to-date formal classification of Stylommatophora is that of Bouchet et al. (2017).[3] Continuously updated information may be found at MolluscaBase.[7] The 2017 system already becomes obsolete in some parts due to new phylogenetic studies.
Rhytidoidea is apparently not a monophyletic group, but rather a collection of lineages from the southern hemisphere with unresolved relationships.[8]
suborder Achatinina [“Achatinoid Clade”]
superfamily Achatinoidea Swainson, 1840
Achatinidae Swainson, 1840
Aillyidae H. B. Baker, 1955
Ferussaciidae Bourguignat, 1883
Micractaeonidae Schileyko, 1999
superfamily Streptaxoidea Gray, 1860
Streptaxidae Gray, 1860
Diapheridae Panha & Naggs, 2010
suborder Scolodontina
superfamily Scolodontoidea H. B. Baker, 1925
Scolodontidae H. B. Baker, 1925
suborder Helicina [“Non-Achatinoid Clade”]
incertae sedis
superfamily Coelociontoidea Iredale, 1937
Coelociontidae Iredale, 1937
superfamily Papillodermatoidea Wiktor, Martin & Castillejo, 1990
Papillodermatidae Wiktor, Martin & Castillejo, 1990
superfamily Plectopyloidea Möllendorff, 1898
Plectopylidae Möllendorff, 1898
Corillidae Pilsbry, 1905
Sculptariidae Degner, 1923
superfamily Punctoidea Morse, 1864
Punctidae Morse, 1864
Charopidae Hutton, 1884
Cystopeltidae Cockerell, 1891
Discidae Thiele, 1931
Endodontidae Pilsbry, 1895
Helicodiscidae H. B. Baker, 1927
Oreohelicidae Pilsbry, 1939
superfamily Testacelloidea Gray, 1840
Testacellidae Gray, 1840
superfamily Urocoptoidea Pilsbry, 1898
Urocoptidae Pilsbry, 1898
Cerionidae Pilsbry, 1901
Epirobiidae F. G. Thompson, 2012
Eucalodiidae P. Fischer & Crosse, 1873
Holospiridae Pilsbry, 1946
infraorder Succineoidei [= Elasmognatha]
superfamily Succineoidea Beck, 1837
Succineidae Beck, 1837
superfamily Athoracophoroidea P. Fischer, 1883
Athoracophoridae P. Fischer, 1883
infraorder Rhytidoidei
superfamily Rhytidoidea Pilsbry, 1893
Rhytididae Pilsbry, 1893
Acavidae Pilsbry, 1895
Caryodidae Conolly, 1915
Clavatoridae Thiele, 1926
Dorcasiidae Connolly, 1915
Macrocyclidae Thiele, 1926
Megomphicidae H. B. Baker, 1930
Odontostomidae Pilsbry & Vanatta, 1898 (according to Salvador et al. 2023,[8] in Bouchet et al.[3] classified in Orthalicoidea)
Strophocheilidae Pilsbry, 1902
infraorder Orthalicoidei
superfamily Orthalicoidea Martens, 1860
Orthalicidae Martens, 1860
Amphibulimidae P. Fischer, 1873
Bothriembryontidae Iredale, 1937
Bulimulidae Tryon, 1867
Cyclodontinidae Salvador & Breure, 2023 (see Salvador et al. 2023[8])
Megaspiridae Pilsbry, 1904
Simpulopsidae Schileyko, 1999
Tomogeridae Jousseaume, 1877 (see Salvador et al. 2023[8])
infraorder Pupilloidei [= Orthurethra]
superfamily Pupilloidea Turton, 1831
Pupillidae Turton, 1831
Achatinellidae Gulick, 1873
Agardhiellidae Harl & Páll-Gergely, 2017
Amastridae Pilsbry, 1910
Argnidae Hudec, 1965
Azecidae Watson, 1920
Cerastidae Wenz, 1923
Chondrinidae Steenberg, 1925
Cochlicopidae Pilsbry, 1900
Draparnaudiidae Solem, 1962
Enidae B. B. Woodward, 1903
Fauxulidae Harl & Páll-Gergely, 2017
Gastrocoptidae Pilsbry, 1918
Lauriidae Steenberg, 1925
Odontocycladidae Hausdorf, 1996
Orculidae Pilsbry, 1918
Pagodulinidae Pilsbry, 1924
Partulidae Pilsbry, 1900
Pleurodiscidae Wenz, 1923
Pyramidulidae Kennard & B. B. Woodward, 1914
Spelaeoconchidae A. J. Wagner, 1928 (Croatia, Bosnia and Hercegovina)
Spelaeodiscidae Steenberg, 1925
Strobilopsidae Wenz, 1915
Truncatellinidae Steenberg, 1925
Valloniidae Morse, 1864
Vertiginidae Fitzinger, 1833
infraorder Clausilioidei
superfamily Clausilioidea Gray, 1855
Clausiliidae Gray, 1855
Pilsbrylia Hylton Scott, 1952 (South America; placement following Salvador et al. 2023[8])
infraorder Arionoidei
superfamily Arionoidea Gray, 1840
Arionidae Gray, 1840
Anadenidae Pilsbry, 1948
Ariolimacidae Pilsbry & Vanatta, 1898
Binneyidae Cockerell, 1891
Philomycidae Gray, 1847
infraorder Limacoidei [“Limacoid Clade”]
superfamily Limacoidea Batsch, 1789
Limacidae Batsch, 1789
Agriolimacidae H. Wagner, 1935
Boettgerillidae Wiktor & I. M. Likharev, 1979
Vitrinidae Fitzinger, 1833
superfamily Gastrodontoidea Tryon, 1866
Gastrodontidae Tryon, 1866
Oxychilidae Hesse, 1927
Pristilomatidae Cockerell, 1891
superfamily Parmacelloidea P. Fischer, 1856
Parmacellidae P. Fischer, 1856
Milacidae Ellis, 1926
Trigonochlamydidae Hesse, 1882
superfamily Zonitoidea Mörch, 1864
Zonitidae Mörch, 1864
superfamily Trochomorphoidea Mörch, 1864
Trochomorphidae Möllendorff, 1890
Chronidae Thiele, 1931
Dyakiidae Gude & B. B. Woodward, 1921
Euconulidae H. B. Baker, 1928
Staffordiidae Thiele, 1931
superfamily Helicarionoidea Bourguignat, 1877
Helicarionidae Bourguignat, 1877
Ariophantidae Godwin-Austen, 1888
Urocyclidae Simroth, 1889
infraorder Oleacinoidei
superfamily Oleacinoidea H. Adams & A. Adams, 1855
Oleacinidae H. Adams & A. Adams, 1855
Spiraxidae H. B. Baker, 1939
superfamily Haplotrematoidea H. B. Baker, 1925
Haplotrematidae H. B. Baker, 1925
infraorder Helicoidei [“Helicoid Clade”]
superfamily Sagdoidea Pilsbry, 1895
Sagdidae Pilsbry, 1895
Solaropsidae H. Nordsieck, 1986
Zachrysiidae Robinson, Sei & Rosenberg, 2017
superfamily Helicoidea Rafinesque, 1815
Helicidae Rafinesque, 1815
Cepolidae Ihering, 1909
Labyrinthidae Borrero, Sei, Robinson & Rosenberg, 2017
Thysanophoridae Pilsbry, 1926
Camaenidae Pilsbry, 1895
Polygyridae Pilsbry, 1895
Elonidae Gittenberger, 1977
Trissexodontidae H. Nordsieck, 1987
Helicodontidae Kobelt, 1904
Sphincterochilidae Zilch, 1960
Geomitridae C. Boettger, 1909
Canariellidae Schileyko, 1991
Hygromiidae Tryon, 1866
Pleurodontidae Ihering, 1912
Trichodiscinidae H. Nordsieck, 1987
Xanthonychidae Strebel & Pfeffer, 1879
2005 taxonomy
According to the taxonomy of the Gastropoda by Bouchet & Rocroi (2005) based on evolutionary ancestry, Stylommatophora is a clade in the clade Eupulmonata within informal group Pulmonata.[9] It uses unranked clades for taxa above the rank of superfamily (replacing the ranks suborder, order, superorder and subclass) and the traditional Linnaean approach for all taxa below the rank of superfamily.
The clade Stylommatophora contains the subclades Elasmognatha, Orthurethra and the informal group Sigmurethra. The term "informal group" has been used to indicate whenever monophyly has not been tested, or where a traditional taxon of gastropods has now been discovered to be paraphyletic or polyphyletic.
clade Elasmognatha
Superfamily Succineoidea
Superfamily Athoracophoroidea
clade Orthurethra
Superfamily Partuloidea
Superfamily Achatinelloidea
Superfamily Cochlicopoidea
Superfamily Pupilloidea
Superfamily Enoidea
informal group Sigmurethra
Superfamily Clausilioidea
Superfamily Orthalicoidea
Superfamily Achatinoidea
Superfamily Aillyoidea
Superfamily Testacelloidea
Superfamily Papillodermatoidea
Superfamily Streptaxoidea
Superfamily Rhytidoidea
Superfamily Acavoidea
Superfamily Punctoidea
Superfamily Sagdoidea
"limacoid clade" (within the Sigmurethra)
Superfamily Staffordioidea
Superfamily Dyakioidea
Superfamily Gastrodontoidea
Superfamily Parmacelloidea
Superfamily Zonitoidea
Superfamily Helicarionoidea
Superfamily Limacoidea
(not in limacoid clade, but is within the Sigmurethra)
Superfamily Arionoidea
Superfamily Helicoidea
Cepaea hortensis, within the Helicoidea.
An individual of Trochulus hispidus, a stylommatophoran land snail in the family Hygromiidae within the Helicoidea.
Previous taxonomy[citation needed]
Subinfraorder Orthurethra
Superfamily Achatinelloidea Gulick, 1873
Superfamily Cochlicopoidea Pilsbry, 1900
Superfamily Partuloidea Pilsbry, 1900
Superfamily Pupilloidea Turton, 1831
Subinfraorder Sigmurethra
Superfamily Acavoidea Pilsbry, 1895
Superfamily Achatinoidea Swainson, 1840
Superfamily Aillyoidea Baker, 1960
Superfamily Arionoidea J.E. Gray in Turnton, 1840
Superfamily Buliminoidea Clessin, 1879
Superfamily Camaenoidea Pilsbry, 1895
Superfamily Clausilioidea Mörch, 1864
Superfamily Dyakioidea Gude & Woodward, 1921
Superfamily Gastrodontoidea Tryon, 1866
Superfamily 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
Superfamily 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
References
Solem A. (1978). Classification of the land Mollusca. In: Fretter V. & Peake J. (eds). Pulmonates, Vol. 2A. London, Academic Press, 49–97.
Sutcharit C., Naggs F., Wade C. M., Fontanilla I. & Panha S. (2010). "The new family Diapheridae, a new species of Diaphera Albers from Thailand, and the position of the Diapheridae within a molecular phylogeny of the Streptaxoidea (Pulmonata: Stylommatophora)". Zoological Journal of the Linnean Society 160: 1-16. doi:10.1111/j.1096-3642.2009.00598.x.
Philippe Bouchet, Jean-Pierre Rocroi, Bernhard Hausdorf, Andrzej Kaim, Yasunori Kano, Alexander Nützel, Pavel Parkhaev, Michael Schrödl and Ellen E. Strong. 2017. Revised Classification, Nomenclator and Typification of Gastropod and Monoplacophoran Families. Malacologia, 61(1-2): 1-526.
Dayrat, B; Tillier, S (2002-07-29). "Evolutionary relationships of euthyneuran gastropods (Mollusca): a cladistic re-evaluation of morphological characters". Zoological Journal of the Linnean Society. 135 (4): 403–470. doi:10.1046/j.1096-3642.2002.00018.x.
(in Czech) Pek I., Vašíček Z., Roček Z., Hajn. V. & Mikuláš R. (1996). Základy zoopaleontologie. Olomouc, 264 pp., ISBN 80-7067-599-3.
Jörger, Katharina M; Stöger, Isabella; Kano, Yasunori; Fukuda, Hiroshi; Knebelsberger, Thomas; Schrödl, Michael (2010). "On the origin of Acochlidia and other enigmatic euthyneuran gastropods, with implications for the systematics of Heterobranchia". BMC Evolutionary Biology. 10 (1): 323. Bibcode:2010BMCEE..10..323J. doi:10.1186/1471-2148-10-323. ISSN 1471-2148. PMC 3087543. PMID 20973994.
"Molluscabase". molluscabase.org. Retrieved 2023-08-23.
Salvador, Rodrigo B.; Silva, Fernanda S.; Cavallari, Daniel C.; Köhler, Frank; Slapcinsky, John; Breure, Abraham S. H. (2023-07-26). Zhang, Feng (ed.). "Molecular phylogeny of the Orthalicoidea land snails: Further support and surprises". PLOS ONE. 18 (7): e0288533. Bibcode:2023PLoSO..1888533S. doi:10.1371/journal.pone.0288533. ISSN 1932-6203. PMC 10370776. PMID 37494326.
Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiří; Hausdorf, Bernhard; Ponder, Winston; Waldés, Ángel; Warén, Anders (2005). "Classification and Nomenclator of Gastropod Families". Malacologia. 47: 1–397.
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