Naesiotus gracemontalvanae  Mogollón & Breure, 2025

CLASSE: GASTROPODA: TERRESTRE

FAMÍLIA: BULIMULIDAE

ESPÉCIE: Naesiotus gracemontalvanae Mogollón & Breure, 2025

Tamanho médio: 12.27 mm

Ocorrência: Peru (Cajamarca)

Localidade tipo: Peru, Departamento de Cajamarca, “Chota Province, Chalamarca District, Centro Poblado
Mayor El Verde, Cerro Las Viejas”

Altitude: 3150 m

Nome original: Naesiotus gracemontalvanae Mogollón & Breure, 2025

Etimologia: o nome da espécie é uma homenagem à colaboradora da Universidad Nacional Federico Villareal (Lima), Grace Montalván Naranjos

Zoobank: https://zoobank.org/NomenclaturalActs/68c24237-7435-442b-a5bd-3b92cf7e8e3e

Descrição original:

(Mogollón & Breure, 2025): “Shell up to 13.2 mm, 2.27 times as long as wide, elongate-conical, rather thin; rimate. Sculptured with relatively small axial granules, arranged in spiral rows and covered by an irregular pattern of candle wax-like whitish, which leave the ground colour visible especially on the last two whorls. Protoconch sculptured with axial riblets with excessive fine spiral lines in between; the interstices are circa 5 times the width of the riblets. Ground colour (dark-)reddish. Whorls up to 7.7, somewhat convex, the last one 0.6 the total length, spire with straight sides; suture well impressed. Aperture 1.6 times as long as wide, 0.37 the total height, truncated-oblong, the length axis deviating from the shell axis. Peristome thin, the columellar margin reflected and triangular, parietal callus transparent”

Fotos: (1,2) Breure, A. S. H. & Mogollón Ávila, V. (2025): The Florida Museum of Natural History, Gainesville, EUA: HOLOTYPE UF 583748, 13mm

Figura: Breure, A. S. H. & Mogollón Ávila, V. (2025): (45-47) diferentes vistas do HOLOTYPE; (48) escultura da protoconcha; (49-50) espécime vivo na localidade tipo

Fontes:

Descrição original: Breure, A. S. H. & Mogollón Ávila, V. (2025). Notes on and descriptions of Peruvian Orthalicoidea (Gastropoda, Eupulmonata). Folia Conchyliologica. 76: 7-44.
páginas(s): 28, figs 45-50

MolluscaBase: https://molluscabase.org/aphia.php?p=taxdetails&id=1836033