For 23 years Ancey was ‘conservateur’ of collections for Charles Oberthür (1845–1924) at Rennes.
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Mr. Ancey is the authority for many generic or subgeneric names, among which may be mentioned: Boysidia, Parabalia, Haplotrema, Pseudomphalus, Monomphalus, Micromphalia, Platystoma, Rhytidiopsis, Pararhytida, Microphyura, Ochroderma, Tomostele, Mabilliella, Thomsonia, Lechaptoisia, Thaanumia, Baldwinia and Armandiella.
Felix Mendelssohn | Marie Antoinette | Marie Curie | Marie Osmond | César Award | Felix Frankfurter | Sault Ste. Marie | Cesar Department | Buffy Sainte-Marie | Cesar Romero | Marie Claire | Sault Ste. Marie, Ontario | Marie Louise, Duchess of Parma | Marie Lloyd | Julio César Chávez | Felix the Cat | Adrien-Marie Legendre | Marie | Sault Ste. Marie, Michigan | Marie de' Medici | Jean Victor Marie Moreau | Jean-Marie Le Pen | Félix Guattari | Charles-Marie Widor | César Pelli | César Franck | César | Anne-Marie Albiach | Marie of Brabant, Queen of France | Cesar Chavez |