Naesiotus approximatus (Dall, 1900)

CLASSE: GASTROPODA: TERRESTRE

FAMÍLIA: BULIMULIDAE

ESPÉCIE: Naesiotus approximatus (Dall, 1900)

Tamanho médio: 17 mm 

Ocorrência: Ilha Espanhola, Arquipélago de Galápagos, Equador

Localidade tipo: Galápagos, Ilha Hood (atual Ilha Espanhola)

Nome original: Bulimulus approximatus Dall, 1900

Descrição original:

(Dall, 1900): “Shell belonging to the type of B. nux and B. rugulosus with seven pretty evenly tapered whorls, with a distinct suture; nucleus as in the last species, livid, but the early whorls bear no traces of revolving lines; whorls moderately convex, base evenly rounded; sculpture, on the later whorls, only of faint incremental lines; umbilicus small and narrow, aperture rather elongate. Alt. of shell 17.5, diam. 8 mm.”

Fotos: (1-3) Naesiotus approximatus (Dall, 1900): Smithsonian National Museum of Natural History, SYNTYPE USNM 108497, “Galapagos Ids., Hood Id”, coletor: Heller; Snodgrass

Fontes:

Descrição original: (como Bulimulus approximatus Dall, 1900) Dall, W. H. (1900). Additions to the insular land-shell faunas of the Pacific coast, especially of the Galápagos and Cocos Islands. Proceedings of the Academy of the Natural Sciences of Philadelphia. 52: 88-106, plate 8., disponível online em https://www.biodiversitylibrary.org/page/24693968
página(s): 90

Breure, A. S. H. & Borrero, F. J. (2008). An annotated checklist of the land snail family Orthalicidae (Gastropoda: Pulmonata: Orthalicoidea) in Ecuador, with notes on the distribution of the mainland species. Zootaxa. 1768: 1-40., disponível online em https://www.biotaxa.org/Zootaxa/article/view/zootaxa.1768.1.1
página(s): 11

MolluscaBase: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1758419