CLASSE: GASTROPODA: TERRESTRE
FAMÍLIA: BULIMULIDAE
ESPÉCIE: Mesembrinus vespertinus (L. Pfeiffer, 1858)
Tamanho médio: 35 mm
Ocorrência: Peru (Ancash, La Libertad)
Localidade tipo: Peru, “Province of Patas, Andes of Peru”
Nome original: Bulimus vespertinus L. Pfeiffer, 1858
Sinônimos: Drymaeus (Drymaeus) vespertinus (L. Pfeiffer, 1858); Drymaeus vespertinus (L. Pfeiffer, 1858)
Fotos: (1) Breure et al. 2024: Natural History Museum, London: LECTOTYPE de Mesembrinus vespertinus, NHMUK 1975471, 36mm

Fontes:
Descrição original: (como Bulimus vespertinus L. Pfeiffer, 1858) Pfeiffer, L. (1858). Descriptions of ten new species of Bulimus, from the collection of H. Cuming, Esq. Proceedings of the Zoological Society of London. 26 (262–263): 256–258. [9 November]., disponível online em https://www.biodiversitylibrary.org/page/32271782
página(s): 257
Breure, A. S. H.; Oroño, E. S.; Ablett, J. D.; Vega-Luz, R.; Ávila, V. M. (2024). Struggling with shells: Drymaeus Albers, 1850 and Mesembrinus Albers, 1850 species (Mollusca, Gastropoda, Bulimulidae) from Peru—an illustrated checklist and descriptions of new species. Journal of Conchology. 42(2): 293-367., disponível online em https://doi.org/10.61733/jconch/4530
Natural History Museum (2026). Natural History Museum (London) Collection Specimens. Occurrence dataset https://doi.org/10.5519/qd.4fmbrm00 accessed via GBIF.org on 2026-03-09. https://www.gbif.org/occurrence/1055973494
MolluscaBase: https://molluscabase.org/aphia.php?p=taxdetails&id=1784591