DIASTOMATIDAE Cossmann, 1894

Coan, Eugene V., Pacaud, Jean-Michel & Kabat, Alan R., 2024, Gérard-Paul Deshayes (1796 - 1875) and his taxa, Geodiversitas 46 (16), pp. 553-930 : 599-600

Family DIASTOMATIDAE Cossmann, 1894

Diastoma – Deshayes, 1850-TraitElem: 46, pl. 74. — Type species (M): Diastoma costellata (Lamarck, 1804) [ Melania ]. — Current status: valid type genus of Diastomatidae Cossmann, 1894 .

Keilostoma –Deshayes, 1850-TraitElem: 60, 46, pl. 74, figs 6-7 [“ non ” Ceilostoma Fitzinger, 1833, which is not a senior homonym; unnecessarly renamed Paryphostoma Bayan, 1873a: 93 ]. Deshayes’ genus was misspelled as Chilostoma by S. P. Woodward (1851: 131; 1854: [2]; 1856: 413). — Type species (M): Melania marginata Lamarck, 1804 . France. — Type age: Eocene. — Current status: valid genus.

Pterostoma –Deshayes, 1861-DescrCoqFoss: 428-429, non Germar, 1812 [ Lepidoptera ], nec Rafinesque, 1814 [Coelenterata]. — Type species (M): Pterostoma tuba Deshayes, 1861 . — Current status: Teleostoma G. F. Harris & Burrows, 1891 , replacement name and valid genus.

eximia , Keilostoma – Deshayes, 1861-DescrCoqFoss: 426, 25, 25, pl. 25, figs 14-16 [in text as figs 11-14]; 1865-DescrCoqFoss: 665 [correction made]. — Type locality: Caumont. — Type age: Eocene (Bartonian). — Type material: UCBL-EM 32489, syntypes. — Current status: Keilostoma eximium Deshayes, 1861 ( Le Renard & Pacaud 1995: 100).

grignonense , Cerithium –Deshayes, 1864-DescrCoqFoss: 77, pl. 77, figs 5-7; 1865-DescrCoqFoss: 212-213. — Type localities: Thiverval-Grignon & Maule. — Type age: Eocene (Lutetian). — Type material: MNHN.F.J04175, syntype. — Current status: synonym of Teleostoma bacillum (Lamarck, 1804) (Pacaud herein) .

incompleta , Keilostoma – Deshayes, 1861-DescrCoqFoss: 427, 25, pl. 25, figs 11-13 [n text as figs 15-17]; 1865-DescrCoqFoss: 665 [correction made]. — Type locality: Hérouval. — Type age: Eocene (Ypresian). — Type material: UCBL-EM 32488, 2 syntypes. — Current status: Dialopsis incompleta (Deshayes, 1861) ( Le Renard & Pacaud 1995: 99) .

inermis , Diastoma – Deshayes, 1861-DescrCoqFoss: 415, 25, pl. 25, figs 8-10. — Type localities: Hérouval & Chemin d’Angy at Thury (Oise). — Type age: Eocene (Lutetian). — Current status: Diastoma inerme Deshayes, 1861 ( Le Renard & Pacaud 1995: 107; Pacaud 2008: 47).

interrupta , Diastoma –Deshayes, 1861-DescrCoqFoss: 414-415, 25, pl. 25, figs 5-7. — Type localities: Auvers-sur-Oise, Valmondois, Crouy, La Ferté-sous-Jouarre, Chéry-Chartreuve, Ver-sur-Launette & Ermenonville. — Type age: Eocene (Bartonian). — Current status: Diastoma interrupta Deshayes, 1861 ( Le Renard & Pacaud 1995: 107). minor , Keilostoma – Deshayes, 1861-DescrCoqFoss: 425. Based on 1 st edition, p. 114, pl. 15, figs 3-4. — Type localities: Aizy-Jouy, Sermoise, Hérouval, Cuise-la-Motte, Laon, Cuisy-en-Almont, Thiverval-Grignon, Parnes, Montmirail, Chaumont-en-Vexin, Gomerfontaine, Mouchy-le-Châtel, Saint-Thomas, Chambors, Hermonville, Cumières, Damery, Fleury-la-Rivière & Boursault. — Type age: Eocene (Ypresian-Lutetian). Rouge-Cloître & Affighem, Belgium. Keilostoma minus Deshayes, 1861 ( Le Renard & Pacaud 1995: 100). — Current status: synonym of Keilostoma submarginatum (d’Orbigny, 1850) [ Cerithium ] (Pacaud 2007: 32, as K. “ minus ”; Pacaud 2008: 47).

minuta , Keilostoma – Deshayes, 1861-DescrCoqFoss: 426-427, 25, pl. 25, figs 17-19 [in text as figs 18-20]; 1865-DescrCoqFoss: 665 [correction made]. — Type localities: Hermonville & Saint-Thomas. — Type age: Eocene (Lutetian). — Type material: UCBL-EM 32490, syntype from Hermonville. — Current status: Chevallieria minuta (Deshayes, 1861) ( Le Renard & Pacaud 1995: 100) .

plicatula , Melania – Deshayes, 1825-DescrCoqFoss: 115, 7, pl. 14, figs 5-6; 1832-EncyMeth: 431. — Type locality: Abbecourt. — Type age: Paleocene (Thanetian). — Type material: UCBL-EM 32147, syntype. 1861-DescrCoqFoss: 426, as Keilostoma . Preoccupies Melania plicatula I. Lea , 1841, which was renamed Melania deshayesiana I. Lea , 1843, which in turn preoccupies Melania deshayesiana Reeve, 1860 , but both are synonyms of Elimia laqueata (Say, 1829) [ Melania ] [ Pleuroceridae ]. — Current status: Keilostoma plicatulum (Deshayes, 1825) ( Le Renard & Pacaud 1995: 100) .

semistriata , Turritella – Deshayes, 1832-DescrCoqFoss: 282, 22, pl. 40, figs 22-24;1843-HistNatAnim2: 274;1843-HistNatAnim3: 598. 1861-DescrCoqFoss: 329, as Turritella (Mesalia) . — Type locality: Berchère-sur-Vesgre. — Type age: Eocene (Lutetian). — Type species (OD) of Dialopsis Cossmann, 1888 . — Current status: Dialopsis semistriata (Deshayes, 1832) ( Le Renard & Pacaud 1995: 99; Pacaud 2008: 47).

tuba , Pterostoma – Deshayes, 1861-DescrCoqFoss: 429, 25, pl. 25, figs 20-22 [in text as figs 21-24]; 1865-DescrCoqFoss: 665 [correction made]. — Type locality: Thiverval-Grignon. — Type age: Eocene (Lutetian). — Type species (typification of replaced name) of Teleostoma G. F. Harris & Burrows, 1891 . — Current status: Teleostoma tuba (Deshayes, 1861) ( Pacaud 2008: 47) .

variculosa , Diastoma – Deshayes, 1861-DescrCoqFoss: 414, 25, pl. 25, figs 2-4. — Type localities: Aizy-Jouy, Cuise-la-Motte, Laversine, Laon, Mons-en-Laonnais, Retheuil, Cuisy-en-Almont & Hérouval. — Type age: Eocene (Ypresian). — Current status: Diastoma variculosa Deshayes, 1861 ( Le Renard & Pacaud 1995: 107).