CLASSE: GASTROPODA: ÁGUA DOCE
FAMÍLIA: PACHYCHILIDAE
ESPÉCIE: Doryssa aquatilis (Reeve, 1859)
Tamanho médio: 31 mm
Habitat: rios e riachos, geralmente de maior correnteza
Ocorrência: Guiana, Brasil (Branco R., RO), E. Peru
Localidade tipo: “Rio Branca, Guiana”
Nome original: Melania aquatilis Reeve, 1859
Nomes sinonimizados: Pachychilus aquatilis (Reeve, 1859)
Comentários: segundo Molluscabase (2026): “Treated as junior synonym of Doryssa transversa by Pain, but as a distinct species by Simone (2006)”
Fotos: (1-3) University of Michigan Museum of Zoology: Doryssa acquaticus, Reeve, UMMZ 70568, Guiana, Rio Branco

Fontes:
Descrição original: (como Melania aquatilis Reeve, 1859) Reeve, L. A. (1859-1861). Monograph of the genus Melania. In: Conchologia Iconica, or, illustrations of the shells of molluscous animals, vol. 12, pls 1-59 and unpaginated text. L. Reeve & Co., London. [stated dates: pl. 1, June 1861; pls 2-9, November 1859; pls 10-17, December 1859; pls 18-25, 28-29, January 1860; pls 26-27, 30, February 1860; pls 31-33, May 1860; pls 34-45, September 1860; pls 46-47, November 1860; pls 48-49, December 1860, pls 50-51, March 1861; pls 52-53, April 1861; pls 54-59, May 1861]., disponível online em https://www.biodiversitylibrary.org/page/11125701
página(s): pl. 12, species 73
Simone, L. R. L. (2006). Land and Freshwater Molluscs of Brazil. Editora Gráfica Bernardi, FAPESP. São Paulo, 390 pp.
página(s): 70
Berning M.I. (2020). Cerithioidea. Pp. 354-377, in: Thorp and Covich’s Freshwater Invertebrates, ed. 4. Volume 5 (C. Damborenea, F.C. Rogers & J.J. Thorp): Keys to neotropical and Antarctic fauna. Academic Press.
página(s): 364, fig. 11.80C
Brot, A. (1874-1879). Die Melaniaceen (Melanidae) in Abbildungen der Natur mit Beschreibungen. In: Systematisches Conchylien-Cabinet von Martini und Chemnitz. Ersten Bandes, vierundzwanzigste Abtheilung. (1) 24 (229): 1-32, pls. 1-6 (1874); (1) 24 (235): 33-80, pls. 7-12 (1875); (1) 24 (244): 81-128, pls. 13-18 (1875); (1) 24 (249): 129-192, pls. 19-24 (1876); (1) 24 (259): 193-272, pls. 25-30 (1877); (1) 24 (264): 273-352, pls. 31-36 (1877); (1) 24 (271): 353-400, pls. 37-42 (1878); (1) 24 (280): 401-456, pls. 43-48 (1879); (1) 24 (283): 457-488, pl. 49 (1879). Nürnberg (Bauer & Raspe)., disponível online em https://www.biodiversitylibrary.org/page/52389932
página(s): 345, pl. 35 fig. 2
MolluscaBase: https://molluscabase.org/aphia.php?p=taxdetails&id=1115399