POTAMIDIDAE H. Adams & A. Adams, 1854

Coan, Eugene V., Pacaud, Jean-Michel & Kabat, Alan R., 2024, Gérard-Paul Deshayes (1796 - 1875) and his taxa, Geodiversitas 46 (16), pp. 553-930 : 602-606

Family POTAMIDIDAE H. Adams & A. Adams, 1854

acus, Cerithium – Deshayes, 1864-DescrCoqFoss: 75, pl. 75, figs 19- 20; 1865-DescrCoqFoss: 199-200. — Type locality: Mouchy-le-Châtel. — Type age: Eocene (Lutetian). Synonym of Potamides (Potamides) tricarinatus (Lamarck, 1804) [ Cerithium ] ( Cossmann 1889: 65). — Current status: Potamides (Potamidopsis) tricarinatus [Lamarck, 1804] acus (Deshayes, 1864) ( Le Renard & Pacaud 1995: 110).

acutangulum, Cerithium – Deshayes, 1864-DescrCoqFoss: 74, pl. 74, figs 34-36; 1865-DescrCoqFoss: 176, replacement name for Cerithium marginatum Caillat, 1835 , non Bruguière, 1792, nec

Deshayes, 1833 (see below). — Type locality: Thiverval-Grignon. — Type age: Eocene (Lutetian). — Type material: UCBL-EM 32704, syntype. — Current status: Potamides (Potamides) acutangulus (Deshayes, 1864) ( Le Renard & Pacaud 1995: 109) .

aequatum , Cerithium – Deshayes, 1864-DescrCoqFoss: 77, pl. 77, figs 8-10; 1865-DescrCoqFoss: 153-154. — Type localities: Brimont, Châlons-sur-Vesle, Gueux & Jonchery-sur-Vesle. — Type age: Paleocene (Thanetian). — Type material: UCBL-EM 32724, syntypes from Châlons-sur-Vesle. — Current status: Granulolabium (Granulolabium) aequatum (Deshayes, 1864) ( Le Renard & Pacaud 1995: 110) .

alternans , Cerithium – Deshayes, 1833-DescrCoqFoss: 329, 27, pl. 50, figs 8-9. — Type locality: Cuise-la-Motte. — Type age: Eocene (Ypresian). 1865-DescrCoqFoss: 128. — Current status: Tympanotonos (Diptychochilus) alternans (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110) .

antiquum , Cerithium – see: contiguum , Cerithium , below.

bipartita , Cerithium trochleare [Lamarck] – Deshayes, 1865-DescrCoqFoss: 80, pl. 80, fig. 8 [not in text]. — Type locality: none given. — Type age: Oligocene (Rupelian). Probably the variety β bicarinata in the text (p. 129). — Current status: synonym of Potamidopsis trochleare (Lamarck, 1804) (Pacaud herein).

blainvillei , Cerithium – Deshayes, 1833-DescrCoqFoss: 320-321, 27, pl. 50, figs 10-12; 1865-DescrCoqFoss: 142. — Type localities: Houdan & Mary-sur-Marne. — Type age: Eocene (Lutetian). — Current status: Terebralia (Gravesicerithium) blainvillei (Deshayes, 1833) ( Le Renard & Pacaud 1995: 106; Pacaud 2008: 47; Tréguier & Pacaud 2018: 207).

bonardi , Cerithium – Deshayes, 1833-DescrCoqFoss: 416, 27 [as C. “ bonnardi ”], pl. 49, figs 1-5 [fig. 5 not noted cited in text; 1837-DescrCoqFoss: 812, correction made]; 1865-DescrCoqFoss: 182. — Type localities: Valmondois, Tancrou & Betz. — Type age: Eocene (Bartonian). — Type material: UCBL-EM 32276, syntype. Exechestoma bonardi (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110) . Exechestoma Cossmann, 1889 , was non Brandt, 1837 [ Cnidaria ], and was renamed Varicipotamides Pacaud & Harzhauser, 2013 . — Current status: Varicipotamides bonardi (Deshayes, 1833) .

bonelli , Cerithium – Deshayes, 1833-DescrCoqFoss: 319-320, 27, pl. 50, figs 21-23; 1865-DescrCoqFoss: 142-143, as Cerithium “ bonellii ”. — Type localities: Beynes & Thiverval-Grignon. — Type age: Eocene (Lutetian). — Current status: Terebralia (Terebralia) bonelli (Deshayes, 1833) ( Le Renard & Pacaud 1995: 111; Pacaud 2008: 47; Tréguier & Pacaud 2018: 209; Thivaiou et al. 2023: 248).

bonnardi, Cerithium – see bonardi , Cerithium above.

brimonti , Cerithium –Deshayes, 1858: 553, nomen nudum. 1864-DescrCoqFoss: 77, pl. 77, figs 2-4; 1865-DescrCoqFoss: 153. — Type localities: Brimont, Châlons-sur-Vesle, Gueux & Jonchery-sur-Vesle. — Type age: Paleocene (Thanetian). — Type material: UCBL-EM 32722, syntype from Châlons-sur-Vesle. — Current status: Granulolabium (Granulolabium) brimonti (Deshayes, 1864) ( Le Renard & Pacaud 1995: 110) .

brocchii , Cerithium –Deshayes, 1833-DescrCoqFoss: 310, 26 [fig. 24 should be 13, fig. 25 should be 14], pl. 47, figs 13-14, 23, pl. 48, figs 12-14 [fig. 14 on pl. 48 not listed in text] [1837-DescrCoqFoss: 812, 814, these corrections made];1865-DescrCoqFoss: 121-122. — Type localities: Senlis, Valmondois, Tancrou, Acy-en-Multien & Monneville. — Type age: Eocene (Bartonian). — Type material: UCBL-EM 32269 & 32274, syntypes from Valmondois. — Current status: synonym of Serratocerithium tuberculosum (Lamarck, 1804) (Pacaud herein).

brongniarti , Cerithium – Deshayes, 1831b: 259, pl. 1, figs 7-8. — Type locality: none given. — Type age: Oligocene (Rupelian). Preoccupies Cerithium brongniartii Michelotti, 1840 ; Cerithium brongniartii Maravigna, 1840 ; and Cerithium brongniarti d’Archiac, 1843 . — Current status: synonym of Potamides lamarckii (Brongniart, 1810) [ Potamides ] (Pacaud herein), the name used in Deshayes’ text (1831b: 201-202), which also incorrectly cited as fig. 9.

catenatum, Cerithium – Deshayes, 1833-DescrCoqFoss: 419, 32, pl. 59, figs 13-14; 1865-DescrCoqFoss: 184. — Type localities: Chambors & Liancourt-Saint-Pierre. — Type age: Eocene (Lutetian). — Type material: UCBL-EM 32297, syntype from Liancourt-Saint-Pierre. — Current status: Potamides (Potamides) catenatus (Deshayes, 1833) ( Le Renard & Pacaud 1995: 109) .

circinatum, Cerithium – Deshayes, 1864-DescrCoqFoss: 77, pl. 77, fig. 27 [in text as pl. 7]; 1865-DescrCoqFoss: 125-126, 666 [error corrected]. — Type localities: Brimont & Chalons-sur-Vesle. — Type age: Paleocene (Thanetian). — Type material: UCBL-EM 32729, syntypes from Brimont. Tympanotonos (Eotympanotonus) circinatus (Deshayes, 1864) ( Le Renard & Pacaud 1995: 110) . — Current status: Potamides (Eotympanotonus) circinatus (Deshayes, 1864) ( Leroy et al. 2014: 24, pl. 19, fig. 12).

collaterale , Cerithium – Deshayes, 1833-DescrCoqFoss: 413-414, 26, pl. 48, figs 9-11; 1865-DescrCoqFoss: 182. — Type locality: Tancrou. — Type age: Eocene (Bartonian). — Type material: UCBL-EM 32272, syntypes. Exechestoma collaterale (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110) . Exechestoma Cossmann, 1889 , proved to be a homonym of Brandt, 1837 [ Cnidaria ], and was renamed Varicipotamides Pacaud & Harzhauser, 2013 . — Current status: Varicipotamides collaterale (Deshayes, 1833) .

consobrinus, Cerithium – Deshayes, 1864-DescrCoqFoss: 77, pl. 77, figs 19-20; 1865-DescrCoqFoss: 151-152. — Type localities: Brimont, Châlons-sur-Vesle, Gueux & Jonchery-sur-Vesle. — Type age: Paleocene (Thanetian). — Type material: UCBL-EM 32727 & 32728, syntypes. — Current status: Granulolabium (Tiaracerithium) consobrinum (Deshayes, 1864) ( Le Renard & Pacaud 1995: 110) .

contabulatum , Cerithium – Deshayes, 1864-DescrCoqFoss: 76, pl. 76, figs 23-24; 1865-DescrCoqFoss: 139-140. — Type locality: Jeurre. — Type age: Oligocene (Rupelian). — Current status: synonym of Potamidopsis trochleare (Lamarck, 1804) (Pacaud herein).

cordieri , Cerithium – Deshayes, 1833-DescrCoqFoss: 338-339, 28, pl. 52, figs 8, 14-15; 1865-DescrCoqFoss: 137-138. — Type locality: La Chapelle-en-Serval. — Type age: Eocene (Bartoni- an). — Type material: UCBL-EM 32279, syntypes. — Current status: Tympanotonos (Eotympanotonus) cordieri (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110) .

constrictum , Cerithium – Deshayes, 1833-DescrCoqFoss: 373, 31, pl. 57, figs 20-22; 1865-DescrCoqFoss: 199. — Type locality: Damery. — Type age: Eocene (Lutetian). Deshayes used this same species name in 1865 for another species [ Batillariidae ]. Granulolabium (Granulolabium) substriatum [Lamarck, 1804] constrictum (Deshayes, 1833) ( Le Renard & Pacaud 1995: 106) . — Current status: Granulolabium (Granulolabium) constrictum (Deshayes, 1833) ( Pacaud 2008: 47) .

contiguum , Cerithium – Deshayes, 1833-DescrCoqFoss: 304- 305, 26 [as C. “ antiquum ”], pl. 47, figs 3-6 [figs 5-6 not cited in text]; 1837-DescrCoqFoss: 812, 814 [corrections made]. — Type locality: Chambors. — Type age: Eocene (Lutetian). — Current status: Serratocerithium contiguum (Deshayes, 1833) ( Le Renard & Pacaud 1995: 107; Pacaud 2008: 46).

crenatulatum , Cerithium –Deshayes, 1833-DescrCoqFoss: 317-318, 23, pl. 41, figs 5-6, 19 [fig. 19 not mentioned in text and given in pl. expl. as “6 bis”]; 1837-DescrCoqFoss: 812, 813 [corrections noted]; 1865-DescrCoqFoss: 133. — Type localities: La Chapelle-en-Serval, Beauchamp, Pierrelaye, Valmondois, Acy-en-Multien & Tancrou. — Type age: Eocene (Bartonian). — Current status: Granulolabium (Tiaracerithium) crenatulatum (Deshayes, 1833) ( Le Renard & Pacaud 1995: 106; Pacaud 2008: 47).

crispum, Cerithium – Deshayes, 1833-DescrCoqFoss: 406-407, 32, pl. 59, figs 21-23, ex Defrance ms. — Type localities: Beynes & Thiverval-Grignon. — Type age: Eocene (Lutetian). — Current status: synonym of Potamides (Potamides) tristriatus (Lamarck, 1822) [ Cerithium ] (Pacaud herein).

curvicostatum, Cerithium – Deshayes, 1833-DescrCoqFoss: 311- 312, 27, pl. 50, figs 4-5; 1865-DescrCoqFoss: 142. — Type locality: Soissonnais. — Type age: Eocene (Lutetian). — Current status: Terebralia (Terebralia) curvicostata (Deshayes, 1833) ( Le Renard & Pacaud 1995: 111; Pacaud 2008: 47). However, Thivaiou et al. (2023: 252) concluded that “the original illustration and description suggest a placement in another genus,” not in Terebralia .

dameriacence, Cerithium –Deshayes, 1864-DescrCoqFoss: 76, pl. 76, figs 5-7; 1865-DescrCoqFoss: 178. — Type localities: Damery, Cumières & Boursault. — Type age: Eocene (Lutetian). — Type material: UCBL-EM 32711, syntypes from Damery.— Current status:synonym of Potamides (Potamides) lapidorum (Lamarck, 1804) (Pacaud herein).

deperditum, Cerithium – Deshayes, 1865-DescrCoqFoss: 176-177, non Michelotti, 1861; Guérin-Méneville & Deshayes 1868: 36, pl. 17, fig. 9. — Type localities: Passy-en-Valois, Le Fayel, Beauchamps, Mesnil-Aubry, Mortefontaine, Le Guépelle, Montagny-en-Vexin, Les Craquelots, La Chapelle-en-Serval, Lizy-sur-Ourcq, Jaignes, Beauval, La Ferté-sous-Jouarre, Caumont & Proy. Figured in his first edition [pl. 59, figs 27-28] as Cerithium lamarckii (Brongniart, 1810) [ Potamides ], non Brongniart, 1810. — Type age: Eocene (Bartonian). — Current status: Potamides (Potamides) perditus ( Bayan, 1870: 41-42) [ Cerithium ], replacement name.

detritum, Cerithium – Deshayes, 1833-DescrCoqFoss: 331-332, 23, pl. 43, figs 5-8 [fig. 8 not listed in text; 1837-DescrCoqFoss: 812, correction made]; 1865-DescrCoqFoss: 128-129– Type localities: Retheuil & Cuise-la-Motte. — Type age: Eocene (Ypresian). — Type material: UCBL-EM 32257, syntypes from Cuise-la-Motte. — Current status: synonym of Potamides (Eotympanotonus) papalis (Deshayes, 1833) (Pacaud herein).

diadema , Cerithium – Deshayes, 1864-DescrCoqFoss: 75, pl. 75, figs 25-26; 1865-DescrCoqFoss: 200. — Type locality: Thiverval-Grignon. — Type age: Eocene (Lutetian). — Type material: UCBL-EM 32709, holotype. — Current status: Serratocerithium diadema (Deshayes, 1864) ( Le Renard & Pacaud 1995: 106) .

dubium , Cerithium – Deshayes,1865-DescrCoqFoss: 80, pl. 80, fig.15 [not in text], non J. Sowerby, 1816. Error for Cerithium insolitum Deshayes, 1864 ( Cossmann & Lambert 1884: 154). — Current status: Potamides (Potamides) insolitus (Deshayes, 1864) (see below).

editum, Cerithium – Deshayes, 1864-DescrCoqFoss: 77, pl. 77, fig. 15; 1865-DescrCoqFoss: 126. — Type locality: Châlons-sur-Vesle. — Type age: Paleocene (Thanetian). — Type material: UCBL-EM 32726, syntype. — Current status: synonym of Potamides (Eotympanotonus) circinatus (Deshayes, 1864) (Pacaud herein).

elegans , Cerithium – Deshayes, 1833-DescrCoqFoss: 337-338, 28, pl. 51, figs 10-12, non Blainville, 1829; 1865-DescrCoqFoss: 138, pl. 80, figs 20-24. — Type locality: Versailles. — Type age: Oligocene (Rupelian). — Current status: synonym of Potamides (Eotympanotonus) vivarii (Oppenheim, 1896) (Pacaud herein).

gradatum, Cerithium – Deshayes, 1833-DescrCoqFoss: 330-331, 24, pl. 53, figs 9-10. — Type locality: Cuise-la-Motte. — Type age: Eocene (Ypresian). — Type material: UCBL-EM 32258, syntypes. 1865-DescrCoqFoss: 128. — Current status: Tympanotonos (Diptychochilus) gradatus (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110) .

gravesii , Cerithium – Deshayes, 1833-DescrCoqFoss: 310-311, 26 [figs miswritten as 13-15], pl. 40, figs 15, 24-25; 1837-DescrCoqFoss: 814, [corrections made]. — Type localities: Maule & Chambors. — Type age: Eocene (Lutetian). — Type material: UCBL-EM 32270, syntypes from Chambors. 1865-DescrCoqFoss: 142. — Type species (OD) of Gravesicerithium Bouniol, 1981 [non Gravesicerithium Charpiat, 1923, the type species of which is Cerithium thiara Bruguière, 1792 ]. — Current status: synonym of Terebralia (Gravesicerithium) mitra (Lamarck, 1804) (Pacaud herein).

hericarti , Cerithium – Deshayes, 1833-DescrCoqFoss: 308-309, 26, pl. 47, figs 7-9; 1865-DescrCoqFoss: 126. — Type localities: Valmondois, Acy-en-Multien, Betz & Tancrou. — Type age: Eocene (Bartonian). — Current status: Serratocerithium hericarti (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110) .

heteromorpha , Scalaria – Deshayes, 1861-DescrCoqFoss: 349-350, 11, pl. 11, figs 20-22. — Type localities: Thiverval-Grignon & Mouy. — Type age: Eocene (Lutetien). — Type species (OD) of Canaliscala Cossmann, 1888 . — Current status: Canaliscala heteromorpha (Deshayes, 1861) ( Le Renard & Pacaud 1995: 93; Pacaud 2008: 47).

insolitum , Cerithium – Deshayes, 1864-DescrCoqFoss: 80, pl. 80, figs 13,15; 1865-DescrCoqFoss: 139, 667 [fig. indicated here, not in pl. expl.; fig. 15 mislabeled as “ Cerithium dubium ” (see above).— Type localities: Etréchy & Jeurre. — Type age: Oligocene (Rupelian). — Type material: UCBL-EM 32742, syntype from Jeurre. — Current status: Potamides (Potamides) insolitum (Deshayes, 1864) ( Lozouet & Maestrati 2012a: 278, 280, figs 180: 1-3).

labiatum , Cerithium – Deshayes, 1833-DescrCoqFoss: 313-314, 26 [as C. “ labiosum ”], pl. 47, figs 10-12; 1837-DescrCoqFoss: 814 [correction noted]; 1865-DescrCoqFoss: 142. — Type locality: Damery. — Type age: Eocene (Lutetian). — Current status: Terebralia (Gravesicerithium) labiatum (Deshayes, 1833) ( Le Renard & Pacaud 1995: 106; Pacaud 2008: 47; Courville et al. 2012: 62-63, pl. 4, fig. 8).

labiosum , Cerithium . Error for Cerithium labiatum ; see above.

marginatum , Cerithium – Deshayes, 1833-DescrCoqFoss: 336, 28, pl. 51, figs 15-16, non Bruguière, 1792. — Type localities: Mary-sur-Marne & Tancrou. — Type age: Eocene (Bartonian). Cerithium submarginatum d’Orbigny, 1850b (d’Orbigny 1850b: 417, no. 1506), replacement name. 1865-DescrCoqFoss: 136, as Cerithium submarginatum d’Orbigny, 1850 . — Current status: Tympanotonos (Eotympanotonus) submarginatus (d’Orbigny, 1850) (Pacaud 2007: 34) .

mitreola , Cerithium – Deshayes, 1833-DescrCoqFoss: 314, 26, pl. 48, figs 21-23, 27, pl. 50, figs 6-7 [pl. 48 not mentioned in text]; 1837-DescrCoqFoss: 812 [correction made]; 1865-DescrCoqFoss: 131, 132 [correction note]. — Type localities: Retheuil & Mareuil-sur-Ourcq. — Type age: Eocene (Ypresian). — Type material: UCBL-EM 32825, syntype. The Bartonian specimens from Mareuil-sur-Ourcq (between Crépy-en-Valois & La Ferté-Milon) are Granulolabium (Tiaracerithium) propinquum (Deshayes, 1833) , a synonym of Cerithium thiarella Deshayes, 1833 . — Current status: Granulolabium (Tiaracerithium) mitreola (Deshayes, 1833) ( Le Renard & Pacaud 1995: 106) .

mixtum, Cerithium –Deshayes, 1833-DescrCoqFoss: 324, 25, pl. 45, figs 6-11, ex Defrance ms. — Type localities: Valmondois, Mary-sur-Marne, Betz & Baron. — Type age: Eocene (Bartonian). — Type material: UCBL-EM 32263, syntypes from Valmondois. — Current status: Potamides (Potamidopsis) mixtus (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110, as “Defrance in Deshayes”).

moniliferum , Cerithium –Deshayes, 1833-DescrCoqFoss: 413, 32 [as C. “ monilifer ”], pl. 60, figs 6-9 [fig. 9 not noted cited in text], ex Defrance ms; 1837-DescrCoqFoss: 812, 814, corrections made]. — Type locality: Monneville. — Type age: Eocene (Bartonian). — Current status: Granulolabium moniliferum (Deshayes, 1824) (Pacaud 2007: 334) .

nodiferum, Cerithium – Deshayes, 1833-DescrCoqFoss: 318, 23, figs 41, figs 20-21 [figs listed in text and on pl. expl. as 19-20]; 1837-DescrCoqFoss: 812, 813, corrections noted; 1865-DescrCoqFoss: 131. — Type locality: Monneville. — Type age: Eocene (Bartonian). — Type material: UCBL-EM 32256, syntypes. — Current status: Granulolabium (Tiaracerithium) obliquatum [Deshayes, 1833] nodiferum (Deshayes, 1833) ( Le Renard & Pacaud 1995: 107).

obliquatum , Cerithium – Deshayes, 1833-DescrCoqFoss: 318-319, 23, pl. 41, figs 7, 17-18; 1865-DescrCoqFoss: 134. — Type locality: “Soissonnais” (Chéry-Chartreuve?). — Type age: Eocene (Bartonian). — Type material: UCBL-EM 32254, syntypes. — Current status: Granulolabium (Tiaracerithium) obliquatum (Deshayes, 1833) ( Le Renard & Pacaud 1995: 106) .

obscurum , Cerithium – Deshayes, 1833-DescrCoqFoss: 408-409, 32, pl. 59, figs 29-31; 1865-DescrCoqFoss: 198. — Type locality: Lévemont. — Type age: Eocene (Bartonian). — Current status: Granulolabium (Granulolabium) obscurum (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110) .

papale, Cerithium – Deshayes, 1833-DescrCoqFoss: 334-335, 24, pl. 43, figs 11-13; 1865-DescrCoqFoss: 134. — Type localities: Retheuil & Cuise-la-Motte. — Type age: Eocene (Ypresian). — Type material: UCBL-EM 32259, syntypes from Cuise-la-Motte. — Current status: Tympanotonos (Eotympanotonus) papalis (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110; Jeffery & Tracey 1997: 82, 91, pl. 7, fig. 3).

picteti , Cerithium –Deshayes, 1864-DescrCoqFoss: 75, pl. 75, fig. 38; 1865-DescrCoqFoss: 141. — Type localities: Thiverval-Grignon, Mouy & Saint-Félix. — Type age: Eocene (Lutetian). — Type material: UCBL-EM 32710, syntype. — Current status: Terebralia (Gravesicerithium) picteti (Deshayes, 1833) ( Le Renard & Pacaud 1995: 106; Pacaud 2008: 47).

proavus , Cerithium – Deshayes, 1864-DescrCoqFoss: 77, pl. 77, fig. 22; 1865-DescrCoqFoss: 135-136. — Type localities: Châlons-sur-Vesle, Gueux & Jonchery-sur-Vesle. — Type age: Paleocene (Thanetian). — Type material: UCBL-EM 32730, syntypes from Jonchery-sur-Vesle. Tympanotonos (Eotympanotonus) proavus (Deshayes, 1864) ( Le Renard & Pacaud 1995: 110) . — Current status: Potamides (Eotympanotonus) proavus (Deshayes, 1864) ( Leroy et al. 2014: 24, pl. 19, figs 13-14).

roissyi , Cerithium – Deshayes, 1833-DescrCoqFoss: 322-323, 27, pl. 50, figs 13-20; 1865-DescrCoqFoss: 127. — Type localities: Senlis & Valmondois. — Type age: Eocene (Bartonian).— Current status: Tympanotonos (Diptychochilus) roissyi (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110) .

scalaroides , Cerithium – Deshayes, 1833-DescrCoqFoss: 411-412, 32, pl. 59, figs 24-26; 1865-DescrCoqFoss: 181-182. — Type localities: Monneville, Valmondois, Acy-en-Multien & Tancrou. — Type age: Eocene (Bartonian). — Type material: UCBL-EM 32294, syn - type. — Current status: Potamides (Potamides) scalaroides (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110) .

scruposum , Cerithium – Deshayes, 1833-DescrCoqFoss: 374-375, 31, pl. 57, figs 17-19; 1865-DescrCoqFoss: 197. — Type locality: Beynes. — Type age: Eocene (Lutetian). — Current status: Granulolabium (Granulolabium) scruposum (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110; Pacaud 2008: 47).

semiplicatum, Cerithium – Deshayes, 1864-DescrCoqFoss: 73, pl. 73, fig. 33 [text had as fig. 32]; 1865-DescrCoqFoss: 175-176, 666 [correction noted]. — Type locality: Saint-Thomas. — Type age: Eocene (Lutetian). — Current status: Potamides (Potamides) semiplicatus (Deshayes, 1864) ( Le Renard & Pacaud 1995: 109) .

semperi , Cerithium – Deshayes, 1864-DescrCoqFoss: 76, pl. 76, figs 20-21; 1865-DescrCoqFoss: 135. — Type locality: Caumont. — Type age: Eocene (Bartonian). — Type material: UCBL-EM 32697, syntypes. — Current status: Tympanotonos (Eotympanotonus) semperi (Deshayes, 1864) ( Le Renard & Pacaud 1995: 110) .

subpunctatum, Cerithium – Deshayes, 1833-DescrCoqFoss: 409- 410, 32, pl. 40, figs 1-3; 1865-DescrCoqFoss: 182. — Type localities: Thiverval-Grignon & Houdan. — Type age: Eocene (Lutetian). — Current status: Cerithidea subpunctata (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110; Pacaud 2008: 47).

subula , Cerithium – Deshayes, 1833-DescrCoqFoss: 339-340, 28, pl. 52, figs 16-17; 1865-DescrCoqFoss: 181. — Type locality: Senlis. — Type age: Eocene (Bartonian). — Current status: Granulolabium (Tiaracerithium) subula (Deshayes, 1833) ( Le Renard & Pacaud 1995: 106) .

thiarella , Cerithium – Deshayes, 1833-DescrCoqFoss: 314-315, 24, pl. 44, figs 14-16, non Grateloup, 1832; 1865-DescrCoqFoss: 132, as Cerithium tiarella . — Type localities: Senlis & Mareuil-en Dôle. — Type age: Eocene (Bartonian). — Type species (M) of Tiarellacerithium Charpiat, 1919 . Granulolabium (Tiaracerithium) thiarella (Deshayes, 1833) ( Le Renard & Pacaud 1995: 106) . Synonym of Granulolabium (Tiaracerithium) aequistriatum (Deshayes, 1864) (Pacaud 2007: 34; Pacaud 2008: 47). — Current status: synonym of Granulolabium (Tiaracerithium) propinquum (Deshayes, 1833) (Pacaud 2019: 110) .

tiarella , Cerithium – see entry above.

trivittatum, Cerithium – Deshayes, 1864-DescrCoqFoss: 82, pl. 82, fig. 27; 1865-DescrCoqFoss: 130-131. — Type locality: Cresnes. — Type age: Eocene (Bartonian). — Type material: MNHN.F.J04170, holotype. — Current status: Potamides (Potamidopsis) mixtus [Deshayes, 1833] trivittatus (Deshayes, 1864) ( Le Renard & Pacaud 1995: 110) .

trochiforme, Cerithium – Deshayes, 1833-DescrCoqFoss: 336-337, 28, pl. 52, figs 1-3, non Lamarck, 1804; 1865-DescrCoqFoss: 138-139. — Type localities: Valmondois, Tancrou & Mary-sur-Marne. — Type age: Eocene (Bartonian). Cerithium conarium Bayan, 1873a ( Bayan 1873a: 108), replacement name. — Type species (OD) of Eotympanotonus Chavan, 1952 . — Current status: Potamides (Eotympanotonus) conarium (Bayan, 1873) (Pacaud herein).

tuba , Cerithium – Deshayes, 1864-DescrCoqFoss: 76, pl. 76, figs 18-19; 1865-DescrCoqFoss: 140-141. — Type localities: Brimont, Châlons-sur-Vesle, Gueux & Jonchery-sur-Vesle. — Type age: Paleocene (Thanetian). — Type material: UCBL-EM 32720, syntypes from Jonchery-sur-Vesle. — Type species (OD) of Tylochilus Cossmann, 1889 , now regarded as a synonym of Granulolabium Cossmann, 1889 . — Current status: Granulolabium (Granulolabium) tuba (Deshayes, 1864) ( Le Renard & Pacaud 1995: 110; Leroy et al. 2014: 24, pl. 19, figs 7-9).

turris , Cerithium – Deshayes, 1833-DescrCoqFoss: 335-336, 28, pl. 51, figs 13-14; 1865-DescrCoqFoss: 135. — Type localities: Épernay, Lisy & Ay. — Type age: Eocene (Ypresian). Tympanotonos (Eotympanotonus) turris (Deshayes, 1833) ( Le Renard & Pacaud 1995: 110; Dominici & Kowalke 2014: 152, 155, pl. 3, figs 1-3). — Current status: Potamides (Eotympanotonus) turris (Deshayes, 1833) (Pacaud herein).

variabile , Cerithium –Deshayes, 1833-DescrCoqFoss: 403, 32, pl. 60, figs 19-20, 33, pl. 61, figs 21-22, 25-29 [fig. 29 not cited in text or on pl. expl.]; 1837-DescrCoqFoss: 812 [correction made]. — Type locality: Mont-Bernon (Épernay), Ay, Disy-la-Rivière, Cumières & Soissonnais. — Type age: Eocene (Ypresian). Preoccupies Cerithium variabile C. B. Adams, 1845 . — Current status: synonym of Potamides (Eotympanotonus) funatus (J. Sowerby, 1814) (Pacaud herein).

wateleti , Cerithium – Deshayes, inWatelet, 1851: 12, pl. 2, figs 8-9. — Type locality: Vauxrot & Crouy. — Type age: Eocene (Ypresian). 1864-DescrCoqFoss: 74, pl. 74, fig. 40; 1865-DescrCoqFoss: 126- 127. — Type material: MNHN.F.A27139, syntype. — Current status: synonym of Potamides (Eotympanotonus) funatus (J. Sowerby, 1814) (Pacaud herein) .