Deshayes (1863) attributed the authorship of the species to himself but clearly referred to Michelin (1832) in the text [details]
Authorship attributed to Brongniart based on an unpublished name in Brongniart's collection. [details]
Type locality is Le Fayel. Upper Lutetian? [details]
Junior homonym of Planorbis lenticularis "Schlotheim" according to Deshayes (1863), but that taxon could not be ... [details]
Replacement name for Macrodonta Deshayes, 1861, by Deshayes considered to be too similar to Macrodon Buchanan and ... [details]
Primary junior homonym. Has/needs replacement name or has valid synonym? [details]
Type of the genus by original designation [details]
Jonchery-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Montabuzard at Ingré ["Montabuzard, près d'Orléans"], Loiret, France; Calcaire de Montabuzard, Burdigalian, early ... [details]
Rilly-la-Montagne ["Rilly"], Marne, France; Calcaire de Rilly, Thanetian, late Paleocene [details]
Auvers-sur-Oise (Val-d'Oise), Butte de Saran at Chouilly, Cuis and Damery (Marne) ["Auvers, Sarrans, Cuis, ... [details]
Rilly-la-Montagne ["Rilly"], Marne, France; Calcaire de Rilly, Thanetian, late Paleocene [details]
Fontainebleau, Seine-et-Marne, France; Calcaire d'Étampes, Rupelian, early Oligocene [details]
Châlons-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Châlons-sur-Vesles, Gueux and Jonchery-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Ingré (Montabuzard), Loiret, France; Calcaire de Montabuzard, middle to late Burdigalian, early Miocene [details]
Boursault, Marne, France; Lutetian, middle Eocene [details]
Jonchery-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Châlons-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Jonchery-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Hérouval at Montjavoult, Oise, France; Cuisian, late Ypresian, early Eocene [details]
Ay (Marne) and Sinceny ["Sainceny"] (Aisne), France; Sparnacian, early Ypresian, early Eocene [details]
Houdan, Beynes ["Beyne"], Maule, Grignon at Thiverval-Grignon (Yvelines), Boursault (Marne), France; Lutetian, middle ... [details]
Jaignes, Seine-et-Marne, France; Bartonian, late Eocene [details]
Auvers-sur-Oise, Valmondois (Val-d'Oise) and Cresnes at Neuville-Bosc (Oise), France; Bartonian, late Eocene [details]
Cuise-la-Motte, Oise, France; Cuisian, late Ypresian, early Eocene [details]
Châlons-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Jonchery-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Jonchery-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Cuise-la-Motte ("Cuise-la-Mothe"), Oise, France; Cuisian, late Ypresian, early Eocene [details]
Hermonville, Marne, France; Lutetian, middle Eocene [details]
Jonchery-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Saint-Brice (Eparmailles) ("les Éparmailles près de Provins"), Seine-et-Marne, and Saint-Nicolas-la-Chapelle ... [details]
Chambors, Mouy and Saint-Félix, Oise, and Chaussy, Val-d'Oise, and Houdan, Yvelines, France; Lutetian, middle Eocene [details]
Chambors, Oise, France; Lutetian, middle Eocene [details]
Chambors, Oise, and Houdan and Thiverval-Grignon (Grignon), Yvelines, France; Lutetian, middle Eocene [details]
Saint-Sauveur, Oise, France; Sparnacian, early Ypresian, early Eocene [details]
Chambors, Montjavoult (Hérouval) and Parnes, Oise, and Hermonville, Marne, France; Lutetian, middle Eocene [details]
Jonchery-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Beauchamp ("Beauchamps"), Val-d'Oise, and La Chapelle-en-Serval, Montjavoult and Mortefontaine ... [details]
Château-Thierry (Les Chesneaux) and Chéry-Chartreuve, Aisne, and Crouy-sur-Ourcq, Seine-et-Marne, and ... [details]
Houdan and Thiverval-Grignon (Grignon), Yvelines, and Montjavoult (Hérouval) and Mouy, Oise, and Saint-Thomas, ... [details]
Beynes (Ferme de l'Orme) and Thiverval-Grignon (Grignon), Yvelines, and Chambors, Oise, France; Lutetian, middle Eocene [details]
Morigny-Champigny (Château de Jeurs) and Étréchy, Essonne, and Versailles, Yvelines, France; Sables de ... [details]
Beauchamp and Le Mesnil-Aubry, Val-d'Oise, and Crépy-en-Valois, La Chapelle-en-Serval, Montjavoult, Mortefontaine ... [details]
Beauchamp, Val-d'Oise, and Chambors, Oise, and Chéry-Chartreuve, Aisne, and Jaignes, Seine-et-Marne, France; ... [details]
Ormoy-la-Rivière, Essonne, France; Sables d'Ormoy, late Rupelian, early Oligocene [details]
Épernay (Mont Bernon) ("Mont Bernon près d'Épernay"), Marne, France; Sparnacian, early Ypresian, early Eocene [details]
Le Fayel, Oise, France; early Bartonian, late Eocene [details]
Auvers-sur-Oise ["Auvers"], Oise, France; Bartonian, late Eocene [details]
Châlons-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Mont Bernon at Épernay ["Bernon"], Marne, France; Sparnacian, early Ypresian, early Eocene [details]
Jonchery-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Rilly-la-Montagne ["Rilly"], Marne, France; Calcaire de Rilly, Thanetian, late Paleocene [details]
Jonchery-sur-Vesles and Mont Bernon at Épernay ["Jonchery, Bernon, près d'Épernay"], Marne, France; Thanetian to ... [details]
Jonchery-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Côte de Saint-Parres at Saint-Nicolas-la-Chapelle ["Côte Saint-Parres, près Nogent-sur-Seine"], Aube, France; ... [details]
Fontainebleau, Seine-et-Marne, France; Calcaire d'Étampes, Rupelian, early Oligocene [details]
Rilly-la-Montagne ["Rilly"], Marne, France; Calcaire de Rilly, Thanetian, late Paleocene [details]
Jonchery-sur-Vesles and Châlons-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Rilly-la-Montagne ["Rilly"], Marne, France; Calcaire de Rilly, Thanetian, late Paleocene [details]
Mont Bernon at Épernay ["Bernon, près d'Épernay"], Marne, France; Sparnacian, early Ypresian, early Eocene [details]
Gueux, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Mont Bernon at Épernay ["Bernon, près d'Épernay"], Marne, France; Sparnacian, early Ypresian, early Eocene [details]
Jonchery-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
"Marigny, Fay-aux-Loges, Neuville-aux-Bois, la Chapelle, Pontournoy près de Pithiviers, les environs de Chartres" ... [details]
"Marigny, Fay-aux-Loges, la Chapelle, Chartres" [Marigny-les-Usages, Fay-aux-Loges, La Chapelle-Saint-Mesmin ... [details]
Côte de Saint-Parres at Saint-Nicolas-la-Chapelle ["Saint-Parres"], Aube, France; Calcaire de Provins, late ... [details]
Fontainebleau, Seine-et-Marne, France; Calcaire d'Étampes, Rupelian, early Oligocene [details]
"Pontournois, Fay-aux-Loges, Marigny" [Pontournois at Pithiviers, Fay-aux-Loges, Marigny-les-Usages (Loiret)], ... [details]
Côte de Saint-Parres at Saint-Nicolas-la-Chapelle ("Côte Saint-Parres, près de Nogent"), Aube, and Morancez, ... [details]
"Marigny, la Chapelle, Fay-aux-Loges, Neuville-aux-Bois, aux environs d'Orléans, Blois, Montabuzard" ... [details]
Rilly-la-Montagne ["Rilly"] and Sézanne ["Sésanne"], Marne, France; Calcaire de Rilly, Thanetian, late Paleocene [details]
Côte Saint-Martin at Étampes ("Côte Saint-Martin, près d'Étampes"), Essonne, France; Calcaire d'Étampes, ... [details]
Côte de Saint-Parres at Saint-Nicolas-la-Chapelle (Aube) and Morancez (Eure-et-Loir) ["Côte Saint-Parres, près ... [details]
Côte Saint-Martin at Étampes ("Côte Saint-Martin, près d'Étampes"), Essonne, France; Calcaire d'Étampes, ... [details]
"Fay-aux-Loges, près d'Orléans" (Loiret), France; Calcaire de Beauce (supérieur), Aquitanian, early Miocene [details]
"Verneuil, Sarans, Avise, Cuis, Damery, place de l'Europe (Paris)" [Verneuil, Butte de Saran at Chouilly, Avize, ... [details]
Beauchamp, Val-d'Oise, France; Sables de Beauchamp, late Lutetian to early Bartonian, middle to late Eocene [details]
Côte Saint-Martin at Étampes ("Côte Saint-Martin, près d'Étampes"), Essonne, France; Calcaire d'Étampes, ... [details]
"Montabuzard, la Chapelle près d'Orléans, les environs de Chartres. — Della Badia (Piémont)" [Montabuzard at ... [details]
Mont Bernon at Épernay ["Bernon"], Marne, France; Sparnacian, early Ypresian, early Eocene [details]
Mont Bernon at Épernay ["Bernon"], Marne, France; Sparnacian, early Ypresian, early Eocene [details]
Cuis ("Cuis, près d'Épernay"), Marne, France; Sparnacian, early Ypresian, early Eocene [details]
Jonchery-sur-Vesles, Marne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]
Côte Saint-Martin at Étampes ("Côte Saint-Martin, près d'Étampes"), Essonne, France; Calcaire d'Étampes, ... [details]
Mont Bernon at Épernay ["Bernon"], Marne, France; Sparnacian, early Ypresian, early Eocene [details]
Côte Saint-Martin at Étampes ["Côte Saint-Martin, près d'Étampes"], Essonne, France; Calcaire d'Étampes, ... [details]
Mont Bernon at Épernay ["Mont Bernon près d'Épernay"], Marne, France; Sparnacian, early Ypresian, early Eocene [details]
Chéry-Chartreuve, Aisne, and Passy in Paris ("Passy près Paris"), France; Lutetian, middle Eocene [details]
Pithiviers (Pontournois) ("Pontournoy près de Pithiviers"), Loiret, France; Calcaire de l'Orléanais, Aquitanian, ... [details]
Romainville, Seine-Saint-Denis, France; early Rupelian (mammal zone MP 21), early Oligocene [details]
Meulières de Montmorency (Rupelian, early Oligocene): Évecquemont ("Evêquemont"), Yvelines, and Montmorency and ... [details]
Cernay-la-Ville ("Cernay près de Rambouillet"), Yvelines, France; Calcaire d'Étampes, Rupelian, early Oligocene [details]
Chéry-Chartreuve, Aisne, France; Bartonian, late Eocene [details]
Pithiviers (Pontournois) ("Pontournois près de Pithiviers") and Pithiviers-le-Vieil (Le Monceau) ("Le Monceau ... [details]
Beynes (Ferme de l'Orme), Yvelines, France; Lutetian, middle Eocene [details]
Passy in Paris ("Passy près Paris"), France; Lutetian, middle Eocene [details]
Romainville, Seine-Saint-Denis, France; early Rupelian (mammal zone MP 21), early Oligocene [details]