Naesiotus nigromontanus (Dall, 1897)

CLASSE: GASTROPODA: TERRESTRE

FAMÍLIA: BULIMULIDAE

ESPÉCIE: Naesiotus nigromontanus (Dall, 1897)

Tamanho médio: 18 mm

Ocorrência: México (Sonora), EUA (Arizona)

Localidade tipo: México, Sonora. “Summit of Black Mountain”

Nome original: Bulimulus nigromontanus Dall, 1897

Etimologia: o nome da espécie é uma referência à localidade tipo

Descrição original:  

(Dall, 1897) “Shell short, wide, white, with 5 whorls, rather rudely striated in harmony with the lines of growth; nuclear whorls 2, neatly, evenly sculptured with fine, usually wavy, minute ribs, the summit with a small central funicular dimple; whorls moderately rounded, the last much the largest, the spire obtusely conical; base full and rounded, with a rather large, deep, and subcylindrical umbilicus; outer lii) sharp, hardly reflected; pillar lip reflected rather widely near the body around (not over) the umbilicus; body with a thin wash of callus, the outer lip strongly incurved at its junction, giving a somewhat tubular look to the suture; substance of the shell thin, without markings”

Fotos: W. B. Miller & Reeder, 1984, WMB 7190

Figura: W. B. Miller & Reeder, 1984: (espécime à esquerda) Naesiotus nigromontanus (Dall, 1897), WMB 7190; (meio e à direita) Naesiotus christenseni, HOLOTYPE CAS 037525

Fontes:

Descrição original: (como Bulimulus nigromontanus Dall, 1897) Dall, W. H. (1897). Report on the mollusks collected by the International Boundary Commission of the United States and Mexico, 1892-1894. Proceedings of the United States National Museum. 19(1111): 333-379, pls. 31-33 (27 January 1897)., disponível online em https://www.biodiversitylibrary.org/page/7295173
página(s): 357

Miller, W. B. & Reeder, R. L. (1984). A new species of Rabdotus (Gastropoda: Pulmonata: Bulimulidae) from Arizona. Bulletin of the Southern California Academy of Sciences. 83(2): 106-109., disponível online em https://www.biodiversitylibrary.org/page/34161598
página(s): 106, fig. 1

Thompson, F. G. (2011). An annotated checklist and bibliography of the land and freshwater snails of México and Central America. Florida Museum of Natural History Bulletin. 50(1): página(s) 1-299

MolluscaBase: https://molluscabase.org/aphia.php?p=taxdetails&id=1064266