PACHYCHILIDAE P. Fischer & Crosse, 1892

Coan, Eugene V., Pacaud, Jean-Michel & Kabat, Alan R., 2024, Gérard-Paul Deshayes (1796 - 1875) and his taxa, Geodiversitas 46 (16), pp. 553-930 : 601-602

Family PACHYCHILIDAE P. Fischer & Crosse, 1892

cuvieri , Melania – Deshayes, 1824-DescrCoqFoss: 6, pl. 12, figs 1-2, 1825-DescrCoqFoss: 104;1832-EncyMeth: 423;1838-HistNatAnim2: 458; 1843-HistNatAnim3: 432; 1862-DescrCoqFoss: 450-451. — Type localities: Chaumont-en-Vexin & le Soissonnais. — Type age: Eocene (Ypresian-Lutetian). — Type material: UCBL-EM32144, syntypes. Melanatria cuvieri (Deshayes, 1824) ( Le Renard & Pacaud 1995: 102; Pacaud 2008: 47). — Type species (OD) of Jponsia Pacaud & Harzhauser, 2012 . — Current status: Jponsia cuvieri (Deshayes, 1824) ( Pacaud & Harzhauser 2012: 110-113, pl. 1, figs 1-6, pl. 7; Pacaud 2019: 114; Pacaud & Goret 2021: pl. 1, fig. 6-7).

dispar , Melanopsis (Pirena) – Deshayes, 1862-DescrCoqFoss: 473, 31, as just Pirena , pl. 31, figs 29-30. — Type locality: Brasles. — Type age: Eocene (Lutetian). — Type material: UCBL-EM 32509, holotype. — Current status: Faunus dispar (Deshayes, 1862) ( Pacaud 2008: 47) .

dufresnii , Melanopsis –Deshayes,1824-DescrCoqFoss: 6, pl. 12, figs 3-4; 1825-DescrCoqFoss: 120; 1826-DictClass10: 324; 1832-EncyMeth: 433; 1838-HistNatAnim2: 498;1843-HistNatAnim3: 447;1862-DescrCoqFoss: 473-474, as Melanopsis (Pirena) . — Type locality: Cuise-la-Motte near Soissons.— Type age:Eocene (Ypresian).— Type material: UCBL EM 32140, syntype. Pseudobellardia dufresnii (Deshayes, 1824) ( Le Renard & Pacaud 1995: 102) . — Current status: Jponsia dufresnii (Deshayes, 1824) ( Pacaud & Harzhauser 2012: 113-114, pl.1, figs 7-8).

dutemplei , Melanopsis (Pirena) – Deshayes, 1862-DescrCoqFoss: 472-473, 31, as just Pirena , pl. 31, fig. 31. — Type localities: Saran, Cramant & Damery. — Type age: Eocene (Ypresian). — Current status: Faunus dutemplei (Deshayes, 1862) (Pacaud 2019: 106) .

geslini , Cerithium – Deshayes, 1833-DescrCoqFoss: 367-368, 24, pl. 43, figs 17-18; 1862-DescrCoqFoss: 451, as Melania . — Type localities: Retheuil & Cuise-la-Motte. — Type age: Eocene (Ypresian). — Type material: UCBL-EM 30541, syntypes from Cuise-la-Motte; -EM 30542, syntype from Retheuil. Melanatria geslini (Deshayes, 1833) ( Le Renard & Pacaud 1995: 102]. — Current status: Jponsia geslini (Deshayes, 1833) ( Pacaud & Harzhauser 2012: 114-116, pl. 5, figs 1-5; Pacaud 2019: 115, pl. 2, figs 6-7; Pacaud & Goret 2021: 12, pl. 1, fig. 5).

jullieni , Melania – Deshayes in Deshayes & Jullien, 1876: 143-145, 160, pl. 7, figs 7-9, non Brot , 1875. — Type locality: Rio-Compih , near Somboc, Cambodia, sand. — Type age: Recent. — Type material: MNHN-IM-2000-36468, lectotype ;MNHN-IM-2000-36469, 8 syntypes. — Current status: synonym of Brotia costula (Rafinesque, 1833) ( Köhler & Glaubrecht 2001: 295-299, as “Deshayes & Jullien”).

lamarckii , Melanopsis (Pirena) – Deshayes, 1862-DescrCoqFoss: 472, 31, as just Pirena , pl. 31, figs 25-26.— Type locality: Damery.— Type age: Eocene (Lutetian). — Current status: Faunus lamarckii (Deshayes, 1862) ( Le Renard & Pacaud 1995: 102; Pacaud 2008: 47, as “ lamarcki ”).

ornata , Melanopsis (Pirena) – Deshayes, 1862-DescrCoqFoss: 474, 31, as just Pirena , pl. 31, figs 27-28. — Type locality: Sinceny. — Type age: Eocene (Ypresian). — Type material: UCBL-EM 32508, syntypes. — Type species (OD) of Eginea Pacaud & Harzhauser, 2012 ( Pacaud & Harzhauser 2012: 124-125, pl. 8, figs 5-7). — Current status: Eginea ornata (Deshayes, 1862) ( Pacaud & Harzhauser 2012: 124-125, pl. 8, figs 5-7; Pacaud & Goret 2021: pl. 1, fig. 3-4).

praecessa , Melania –Deshayes, 1861-DescrCoqFoss: pl. 23, figs 31- 32; 1862-DescrCoqFoss: 452. — Type localities: Jonchery-sur-Vesle, Gueux & Châlons-sur-Vesle. — Type age: Paleocene (Thanetian). — Type material: UCBL-EM 32481, syntypes from Châlons-sur-Vesle. Brotia (Tinnyea) praecessa (Deshayes, 1861) ( Le Renard & Pacaud 1995: 102) . — Current status: Tinnyea praecessa (Deshayes, 1861) ( Leroy et al. 2014: 24, pl. 19, figs 15-17).

pyramidatum , Cerithium – Deshayes, 1833-DescrCoqFoss: 368, 31, pl. 57, fig. 7;1865-DescrCoqFoss: 147. — Type localities: Retheuil & Cuise-la-Motte. — Type age: Eocene (Ypresian). — Type material: UCBL-EM 32290, lectotype (Pacaud 2019) from Cuise-la-Motte; -EM 33337, paralectotype from Retheuil. Preoccupies Cerithium pyramidatum Hombron & Jacquinot, 1852 , which was renamed Cerithium proditum Bayle, 1880 , but now considered a synonym of Cerithium munitum G. B. Sowerby II, 1855 [ Cerithiidae ]. Pyrazus pyramidatus (Deshayes, 1833) ( Le Renard & Pacaud 1995: 111) . — Current status: synonym of Jponsia geslini (Deshayes, 1833) (Pacaud 2019: 115, pl. 2, figs 6-7; Pacaud & Lebrun 2020: 21).

pyreniforme, Cerithium – Deshayes, 1833-DescrCoqFoss: 366-367, 24, pl. 43, figs 14-16;1865-DescrCoqFoss: 148, as Cerithium “ pireniforme ”. — Type locality: Retheuil. — Type age: Eocene (Ypresian). — Type material: UCBL-EM 32837, syntypes. Melanatria pyreniformis (Deshayes, 1833) ( Le Renard & Pacaud 1995: 102) . However, Melanatria Bowdich, 1822 , was an unnecessary replacement name for Pirena Lamarck, 1822 , so in this generic placement, it would be Pirena pyreniformis (Deshayes, 1833) . — Current status: Moniquia pyreniformis (Deshayes, 1833) ( Pacaud & Harzhauser 2012: 120, pl. 7, figs 1-2).

spinosum , Cerithium –Deshayes, 1833-DescrCoqFoss: 369, 29, pl. 54, figs 27-28, non Bruguière, 1792, nec Grateloup, 1832; 1865-DescrCoqFoss: 147-148. — Type locality: Cuise-la-Motte. — Type age: Eocene (Ypresian). — Type material: original material not locat- ed; MNHN.F.A25408, neotype (Pacaud 2007). Cerithium suzanna d’Orbigny, 1850b (d’Orbigny 1850b: 318, no. 393), replacement name, as non Pirena spinosa Lamarck, 1822 (Pacaud 2007: 33, text-fig.7A-C, who placed it in Melanatria ). D’Orbigny’s species is the type (OD) of Moniquia Pacaud & Harzhauser,2012 ( Pacaud & Harzhauser2012: 118, pl.6, figs 1-2). — Current status: Moniquia suzanna (d’Orbigny, 1850) .

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abra / atra , Melania –Deshayes, 1849-DictUnivAtlas: 6, pl. 12, figs 1-2 [on pl. caption as M. abra ; in pl. expl. as M. atra ]. — Type locality: none given. Sometimes credited to Deshayes, this was evidently intended to represent what was originally described as Bulimus ater Bruguière, 1792 , from Cayenne, French Guiana, a Recent species now known as Doryssa atra ( Bruguière, 1792) .

curvicostata , Melania –Deshayes, 1862-DescrCoqFoss: 453, 23, pl. 23, figs 33-35. Not to be confused with the Pliocene Melania curvicosta Deshayes, 1835b . Made available by Melleville 1843: 94-95 [48-49, 83], pl. 4, figs 10-12. — Type locality:Ciry-Salsogne. — Type age: Eocene (Ypresian). — Current status: Faunus curvicostatus (Melleville, 1843) .

inquinata , Melania – Deshayes, 1831c: [1], pl. 13. — Type locality: Philippine Islands. — Type age: Recent. A Paris Basin species of Defrance (1823b), which Deshayes tentatively recorded as living in the Philippine Islands ( Lyell 1833: 56).