Traits Taxon list
Bayania bourdoti Cossmann, 1888 †Bayania boussaci Szőts, 1953 †Bayania claibornensis (Heilprin, 1880) †Bayania corneti Le Renard, 1994 †Bayania corrugata (Lamarck, 1804) †Bayania elegans Garvie, 2025 †Bayania epelys Woodring, 1973 †Bayania essomiensis Cossmann, 1888 †Bittium essomiense (Cossmann, 1888) †Bayania falconneti Pacaud, 2019 †Bayania fibula (Deshayes, 1862) †Bayania funicula Garvie, 2025 †Bayania gouetensis Cossmann, 1900 †Bayania gouetensis parisiensis Gougerot & Le Renard, 1983 †Bayania herouvallensis (Deshayes, 1862) †Bayania hordacea (Lamarck, 1804) †Bayania inflata (Borson, 1821) †Bayania lactea (Bruguière, 1789) †Bayania laubrierei Cossmann, 1888 †Bayania liancurtensis Cossmann, 1902 †Bayania lirata Cossmann, 1892 †Bittium liratum (Cossmann, 1892) †Bayania melaniaeformis (Schlotheim, 1820) †Bayania minutissima (Deshayes, 1862) †Bayania obtusata (Koenen, 1885) †Bayania omanispinosa Harzhauser, 2007 †Bayania pezanti Morellet & Morellet, 1946 †Bayania pupiformis Morlet, 1888 †Bayania raincourti (Morlet, 1885) †Bayania secale (I. Lea, 1833) †Bayania sejuncta (Deshayes, 1862) †Bayania semicostellata (Deshayes, 1862) †Bayania stygii (Brongniart, 1823) †Bayania sulcatina (Deshayes, 1862) †Bayania sulcosuturalis Staadt, 1913 †Bayania sulpiciana (Deshayes, 1862) †Bayania triticea (A. Férussac, 1825) †Paludomus triticea (A. Férussac, 1825) †Bayania ventriculosa (Deshayes, 1862) †Boggsia anceps (H. Woods, 1922) †unassessed )Boggsia tenuis (Gabb, 1864) †Bourgetia bipartita (Monari, Gatto, Valentini & Weis, 2026) †Bourgetia deshayesea (Terquem, 1855) †Bourgetia dubia (Terquem, 1855) †Bourgetia reticulata Gerasimov, 1992 †Bourgetia saemanni (Oppel, 1856) †Cloughtonia abbreviata (F. A. Roemer, 1836) †Cloughtonia aveyronensis L. R. Cox & Maubeuge, 1950 †unassessed )Cloughtonia cincta (J. Phillips, 1829) †Cloughtonia condensata (J. A. Eudes-Deslongchamps, 1843) †Cloughtonia cretacea Collignon, 1951 †unassessed )Cloughtonia excavata L. R. Cox & Maubeuge, 1950 †unassessed )Cloughtonia sublineata (F. A. Roemer, 1836) †Cloughtonia tigislegensis Huckriede, 1967 †Cloughtonia turbinoides Bigot, 1938 †unassessed )Liocium marcidulum (C. A. White, 1889) †Liocium punctatum Gabb, 1869 †Oonia brasili Bigot, 1938 †unassessed )Oonia calypso (A. d'Orbigny, 1850) †Oonia congrua (Eichwald, 1861) †Oonia conica (J. Morris & Lycett, 1851) †Oonia crithea (A. d'Orbigny, 1850) †Oonia delia (A. d'Orbigny, 1850) †Oonia feidtorum Monari, Gatto, Valentini & Weis, 2026 †Oonia globosa (A. d'Orbigny, 1850) †Oonia grossouvrei (Cossmann, 1900) †Oonia haasi Monari, Gatto, Valentini & Weis, 2026 †Oonia hettangiensis (Cossmann, 1909) †Oonia incerta Gerasimov, 1992 †Oonia leymeriei (d'Archiac, 1843) †Oonia punctata (J.-C. Fischer, 1969) †Oonia rumignyaca (Piette, 1855) †Oonia variata (Lycett, 1863) †Oonia verdati (de Loriol, 1890) †Oonia vesta (A. d'Orbigny, 1850) †Paosia acuminata (F. M. Anderson, 1958) †Paosia allardi (Cossmann, 1907) †Paosia alsusensis (Pchelintsev, 1931) †Paosia amphora (A. d'Orbigny, 1842) †Paosia amygdaloides (Zittel, 1873) †Paosia angusta (Pchelintsev, 1927) †Paosia boulei (Collignon, 1933) †Paosia brevispira (Douvillé, 1916) †Paosia calafia (R. B. Stewart, 1927) †Paosia californica (Gabb, 1864) †Paosia capduri (Cossmann, 1907) †Paosia clansayesiensis (Delpey, 1942) †Paosia colusaensis (F. M. Anderson, 1958) †Paosia conoidea (Pchelintsev, 1927) †Paosia cristobaldi (Verneuil & Lorière, 1868) †Paosia dutoiti (Rennie, 1930) †Paosia fadaltensis (G. Boehm, 1895) †Paosia fraasi (Dietrich, 1914) †Paosia gigantea (Stoliczka, 1868) †Paosia glabra (Pchelintsev, 1931) †Paosia godoganiensis (Pchelintsev, 1951) †Paosia jacobi (Delpey, 1938) †Paosia kieslingswaldensis (Weinzettl, 1910) †Paosia kollmanni Squires & Saul, 2004 †Paosia komarensis (Pchelintsev, 1927) †Paosia konobensis (Pchelintsev, 1963) †Paosia munieri (Popovici-Hatzeg, 1899) †Paosia ornata (Pchelintsev, 1951) †
