Aylacostoma obesa (Reeve, 1860)

CLASSE: GASTROPODA: ÁGUA DOCE

FAMÍLIA: HEMISINIDAE

ESPÉCIE: Aylacostoma obesa (Reeve, 1860)

Tamanho médio: 31 mm

Habitat: rios e riachos

Ocorrência: Brasil (Pará)

Localidade tipo: Brazil

Nome original: Hemisinus obesus Reeve, 1860

Descrição original:

(Reeve, 1860): “The Stout Hemisinus. Shell ovately turbinated, stout, solid, burnt brown, unspotted, whorls few, rounded obsoletely spirally ridged, sutures channelled ; aperture oblong-ovate, columella callously twisted.”

Fotos: (1-3) Natural History Museum, London: LECTOTYPE NHMUK 1849.1.5.36-40, Brazil, Pará, coll. Hugh Cuming

Fontes:

Descrição original: (como Hemisinus obesus Reeve, 1860) Reeve, L. A. (1860). Monograph of the genus Hemisinus. In: Conchologia Iconica, or, illustrations of the shells of molluscous animals, vol. 12, pl. 1-6 and unpaginated text. L. Reeve & Co., London. [stated date: January 1860]., disponível online em https://www.biodiversitylibrary.org/page/11125945
página(s): pl. 4, species 17

Simone, L. R. L. (2006). Land and Freshwater Molluscs of Brazil. Editora Gráfica Bernardi, FAPESP. São Paulo, 390 pp.
página(s): 82

Natural History Museum (2026). Natural History Museum (London) Collection Specimens. Occurrence dataset https://doi.org/10.5519/qd.wd93xjyl accessed via GBIF.org on 2026-11-04. https://gbif.org/occurrence/1265664428

MolluscaBase: nd