Fluviopupa
(tree size 63)
Tanousia
(tree size 14)
Hydrobia
(tree size 267)
Somatogyrus
(tree size 43)
Pyrgulopsis
(tree size 195)
Marstonia
(tree size 19)
Clappia
(tree size 3)
Onobops
(tree size 12)
Aphaostracon
(tree size 17)
Heleobops
(tree size 3)
Texadina
(tree size 3)
Cincinnatia
(tree size 19)
Phreatodrobia
(tree size 11)
Littoridinops
(tree size 5)
Lyogyrus
(tree size 15)
Amnicola
(tree size 101)
Probythinella
(tree size 4)
Tryonia
(tree size 63)
Pyrgophorus
(tree size 13)
Peringia
(tree size 21)
Sadleriana
(tree size 14)
Beddomeia
(tree size 47)
Alzoniella
(tree size 43)
Angrobia
(tree size 6)
Arganiella
(tree size 4)
Avenionia
(tree size 8)
Belgrandia
(tree size 38)
Belgrandiella
(tree size 75)
Saganoa
(tree size 2)
Hyalopyrgus
(tree size 2)
Spilochlamys
(tree size 4)
Hadopyrgus
(tree size 6)
Notogillia
(tree size 4)
Fontelicella
(tree size 15)
Bythiospeum
(tree size 128)
Caspia
(tree size 26)
Cochliopina
(tree size 23)
Colligyrus
(tree size 3)
Fonscochlea
(tree size 5)
Trochidrobia
(tree size 4)
Victodrobia
(tree size 4)
Graziana
(tree size 16)
Neohoratia
(tree size 2)
Durangonella
(tree size 2)
Ecrobia
(tree size 9)
Falniowskia
(tree size 1)
Fissuria
(tree size 3)
Floridiscrobs
(tree size 1)
Graecoanatolica
(tree size 13)
Grossuana
(tree size 29)
Hauffenia
(tree size 26)
Heterocyclus
(tree size 2)
Jardinella
(tree size 15)
Lithoglyphus
(tree size 56)
Litthabitella
(tree size 4)
Littoridina
(tree size 33)
Mercuria
(tree size 38)
Mercuria (gastropod)
Mexipyrgus
(tree size 14)
Nanivitrea
(tree size 2)
Nanocochlea
(tree size 6)
Ohridohauffenia
(tree size 6)
Palacanthilhiopsis
(tree size 5)
Phrantela
(tree size 14)
Plagigeyeria
(tree size 49)
Posticobia
(tree size 3)
Potamopyrgus
(tree size 20)
Pyrgula
(tree size 127)
Sardopaladilhia
(tree size 5)
Stiobia
(tree size 1)
Taylorconcha
(tree size 2)
Terraconia
(tree size 1)
Turricaspia
(tree size 72)
Lobaunia
(tree size 1)
Antrobia
(tree size 2)
Paludiscala
(tree size 2)
Obrovia
(tree size 1)
Ventrosia
(tree size 4)
Austropyrgus
(tree size 76)
Fluvidona
(tree size 8)
Dianella
(tree size 3)
Dianella (gastropod)
Floridobia
(tree size 16)
Phreatoceras
(tree size 1)
Paludestrema
(tree size 1)
Texapyrgus
(tree size 1)
Pristinicola
(tree size 1)
Paxillostium
(tree size 1)
Hadoceras
(tree size 1)
Birgella
(tree size 3)
Holsingeria
(tree size 1)
Antroselates
(tree size 1)
Horatia
(tree size 16)
Hoyia
(tree size 1)
Rhapinema
(tree size 1)
Catapyrgus
(tree size 5)
Dasyscias
(tree size 1)
Stygopyrgus
(tree size 1)
Guadiella
(tree size 5)
Gocea
(tree size 1)
Strugia
(tree size 1)
Stankovicia
(tree size 5)
Sarkhia
(tree size 2)
Cavernisa
(tree size 1)
Antibaria
(tree size 1)
Hadziella
(tree size 8)
Torosia
(tree size 1)
Tarraconia
(tree size 2)
Saxurinator
(tree size 8)
Gloeria
(tree size 1)
Anatolidamnicola
(tree size 3)
Boleana
(tree size 1)
Neofossarulus
(tree size 1)
Narentiana
(tree size 4)
Zaumia
(tree size 2)
Terrestribythinella
(tree size 3)
Terranigra
(tree size 1)
Radomaniola
(tree size 28)
Pyrgohydrobia
(tree size 15)
Daphniola
(tree size 9)
Xestopyrgula
(tree size 1)
Devetakia
(tree size 4)
Euxinipyrgula
(tree size 8)
Caspiohydrobia
(tree size 34)
Sivasi
(tree size 1)
Malaprespia
(tree size 1)
Salenthydrobia
(tree size 1)
Corbellaria
(tree size 1)
Turcorientalia
(tree size 8)
Plesiella
(tree size 2)
Phreatica
(tree size 1)
Pezzolia
(tree size 1)
Pauluccinella
(tree size 1)
Ochridopyrgula
(tree size 3)
Iberhoratia
(tree size 8)
Dabriana
(tree size 1)
Costellina
(tree size 1)
Cilgia
(tree size 1)
Chondrobasis
(tree size 1)
Chilopyrgula
(tree size 2)
Bracenica
(tree size 4)
Boetersiella
(tree size 2)
Adriohydrobia
(tree size 1)
Sardohoratia
(tree size 3)
Sarajana
(tree size 5)
Trichonia
(tree size 2)
Trachyochridia
(tree size 1)
Kaskakia
(tree size 1)
Vinodolia
(tree size 13)
Pseudorientalia
(tree size 3)
Meyrargueria
(tree size 1)
Spathogyna
(tree size 1)
Pseudoislamia
(tree size 1)
Pseudohoratia
(tree size 3)
Balkanospeum
(tree size 1)
Pseudopaludinella
(tree size 8)
Parabythinella
(tree size 3)
Ohrigocea
(tree size 7)
Ohridohoratia
(tree size 6)
Lyhnidia
(tree size 5)
Pseudavenionia
(tree size 1)
Prespolitorea
(tree size 2)
Pontobelgrandiella
(tree size 18)
Lanzaiopsis
(tree size 1)
Lanzaia
(tree size 13)
Kerkia
(tree size 6)
Istriana
(tree size 2)
Insignia
(tree size 1)
Graecorientalia
(tree size 1)
Ginaia
(tree size 3)
Antillobia
(tree size 1)
Micropyrgula
(tree size 1)
Andrusovia
(tree size 4)
Tefennia
(tree size 1)
Ramphopoma
(tree size 1)
Moominia
(tree size 1)
Ascorhis
(tree size 2)
Bucharamnicola
(tree size 1)
Caldicochlea
(tree size 2)
Caledoconcha
(tree size 2)
Attebania
(tree size 1)
Mexithauma
(tree size 1)
Nymphophilus
(tree size 1)
Nymphophilinae
(tree size 6)
Isimerope
(tree size 1)
Karucia
(tree size 1)
Belgrandiinae
(tree size 17)
Tateinae
(tree size 6)
Sadlerianinae
(tree size 2)
Intermaria
(tree size 2)
Persipyrgula
(tree size 1)
Antrorbis
(tree size 2)
Xestopyrguloides
(tree size 2)
Vrazia
(tree size 1)
Tournouerina
(tree size 7)
Staliopsis
(tree size 5)
Stalioa
(tree size 4)
Socenia
(tree size 14)
Scalimelania
(tree size 1)
Salakosia
(tree size 1)
Saccoia
(tree size 11)
Robicia
(tree size 1)
Rhodopyrgula
(tree size 4)
Prososthenia
(tree size 76)
Pontohydrobia
(tree size 5)
Odontohydrobia
(tree size 10)
Nematurella
(tree size 28)
Muellerpalia
(tree size 11)
Mikrogoniochilus
(tree size 3)
Micromelania
(tree size 67)
Microbeliscus
(tree size 2)
Lutetiella
(tree size 2)
Lisinskia
(tree size 1)
Kerchia
(tree size 1)
Kadolskya
(tree size 1)
Jekeliella
(tree size 6)
Iraklimelania
(tree size 2)
Illyricella
(tree size 1)
Gyromelania
(tree size 2)
Coelacanthia
(tree size 1)
Brasovia
(tree size 8)
Beogradica
(tree size 1)
Baglivia
(tree size 11)
Zeteana
(tree size 1)
Wuconcha
Strandzhia
(tree size 1)
Shadinia
(tree size 3)
Pupiphryx
(tree size 1)
Pseudocaspia
(tree size 7)
Pontohoratia
(tree size 5)
Petterdiana
Parhydrobia
(tree size 13)
Motsametia
(tree size 1)
Montenegrospeum
(tree size 2)
Milesiana
(tree size 1)
Microstygia
(tree size 1)
Kolevia
(tree size 1)
Iverakia
(tree size 1)
Diegus
(tree size 1)
Corrosella
(tree size 21)
Balkanica
(tree size 1)
Agrafia
(tree size 1)
Goniochilus
(tree size 27)
Josefus
(tree size 2)
Sumia
(tree size 1)
Bania
(tree size 22)
Chirgisia
(tree size 1)
Sellia
(tree size 4)
Staja
(tree size 26)
Heraultiella
(tree size 1)
Pyrgulinae
(tree size 51)
Hydrobiinae
(tree size 2)
Pseudamnicolinae
(tree size 187)
Lyogyriinae
Lysiogyriinae
Islamiinae
(tree size 69)
Nicolaia
(tree size 1)
Kuiperia
(tree size 2)
Stalioia
(tree size 1)
Belgrandiellinae
(tree size 33)
Caspiinae
(tree size 14)
Mercuriinae
Giustia
(tree size 7)
Heideella
(tree size 5)
Horatiinae
(tree size 3)
Shadiniinae
Mienisiella
(tree size 1)
Falsibelgrandiella
(tree size 1)
Sheitanok
(tree size 1)
Godlewskia
(tree size 14)
Daudebardiella
(tree size 2)
Pseudotricula
(tree size 1)
Maroccopsis
(tree size 1)
Caucasogeyeria
(tree size 7)
Caucasopsis
(tree size 9)
Hausdorfenia
(tree size 2)
Imeretiopsis
(tree size 5)
Kartvelobia
(tree size 3)
Navalis
(tree size 1)
Acrostele
Adriolitorea
Aghbalia
Arabiella
Banneina
Belgrandiellopsis
Biserta
Briardia
Bullaregia
Charydrobia
Chazarella
Cirsomphalus
Costhyrella
Fessia
Goniatogyra
Hemite
Ifrania
Isparta
Lapparentia
Lartetia
Lavansia
Liaoheniella
Lysiogyrus
Micropyrgus
Mirolaminatus
Montjavoultia
Nannopyrgula
Parateinostoma
Pechelbronnia
Potamaclis
Potamolithoides
Probaicalia
Pyrgulella
Renistoma
Rifia
Salaeniella
Salalahia
Sitnikovia
Stygobium
Syrofontana
Tschernomorica
Unicarinata
Vancleaveia
Vioscalba
Wallaua