A new genus and new species of valvatiform Hydrobiidae for the North-East Iberian Peninsula Author López-Soriano, Joaquín Associació Catalana de Malacologia, Museu Blau, Plaça Leonardo da Vinci 4 - 5,08019 Barcelona, Spain. qlopezs@yahoo.com Author Quiñonero-Salgado, Sergio Associació Catalana de Malacologia, Museu Blau, Plaça Leonardo da Vinci 4 - 5,08019 Barcelona, Spain. Author Suárez, Álvaro Alonso C / Infiesto 7 6 ºJ, 33207 Gijón, Asturias, Spain. Author Rolán, Emilio Museo de Historia Natural de la Universidad de Santiago, Campus Norte, Parque Vista Alegre, 15782. Santiago de Compostela, Spain. Author Glöer, Peter Schulstrasse 3, D- 25491, Hetlingen, Germany. text Nemus 2022 2022-12-31 12 160 167 journal article 10.5281/zenodo.12170404 2386-3803 12170404 A20C8CBA-0122-4892-858A-8D91DF11F2E4 Genus Vilertia gen. nov. Type species: Vilertia galeata sp. nov. Description: The most evident characteristic that differentiates this new species from other known valvatiform species on the Iberian Peninsula is the reflexed outer lip, a characteristic which let us introduce a new genus for this new species. The umbilicus is deep and wide. Etymology: The name is a derivatio nominis referring to the village of Vilert, in the municipality of Esponellà (Pla de l’Estany, Girona province), where the first shells were found. Gender of genus is feminine. FIGURE 2. A: Holotype of Vilertia galeata gen.nov.sp. nov. B-D: Paratypes photographed under ethanol.Scale:1 mm. A: holotip de Vilertia galeata gen.nov.sp. nov. B-D: paratips fotografiats sota etanol. Escala:1 mm. Remarks: Only known for the type species. See comparison with other genera and main characteristics thereafter.