Helicina ochsneri Dall, 1917

CLASSE: GASTROPODA: TERRESTRE

FAMÍLIA: HELICINIDAE

ESPÉCIE: Helicina ochsneri Dall, 1917

Tamanho médio: 4.7 mm

Habitat: vive em solo húmido

Ocorrência: Equador, Arquipélago de Galápagos (Ilhas de Isabela e San Cristóbal)

Localidade tipo: Equador, Arquipélago de Galápagos, Ilha de Isabela (Albemarle Is., eight miles west of Turtle Cove, near salt lagoon; and at Cowley Mountain on moist ground, 350 to 500 feet above the sea”)

Altitude: 115 – 164 m

Nome original: Helicina (Idesa) ochsneri Dall, 1917

Descrição original:

(Dall 1917): “Shell high, more conical and slightly larger, blackish periostracum which is raised on the spire between sutures into two or three fringed short spiral threads; the periostracum appears to be of an adhesive nature and all the specimens in their original condition are more or less covered with a blackish coating”

Fotos: (1) Miquel, S. E.; Herrera, H. W. (2014): LECTOTYPE de Helicina ochsneri, CAS-IZ 66448.00, Ilha Isabela, 4.7mm

Figura: Miquel, S. E.; Herrera, H. W. (2014): (1–2) Helicina nesiotica Dall 1892; (1) LECTOTYPE USNM 107324, San Cristóbal Island; (2) ICCDRS 0036988,  Floreana, Cerro Pajas; (3-4) Helicina ochsneri Dall 1917; (3) CAS-IZ 66448.00, LECTOTYPE, Isabela Island; (4) ICCDRS 0036566, Santa Cruz Island

Fontes:

Descrição original: (como Helicina (Idesa) ochsneri Dall, 1917) Dall, W. H. (1917). Expedition of the California Academy of Sciences to the Galapagos Islands, 1905-1906. XI: Preliminary descriptions of new species of Pulmonata of the Galapagos Islands. Proceedings of the California Academy of Sciences, 4th Series. 2 (1/11): 375-382., disponível online em https://www.biodiversitylibrary.org/page/31626885
página(s): 382

Miquel, S. E.; Herrera, H. W. (2014). Catalogue of terrestrial gastropods from Galápagos (except Bulimulidae and Succineidae) with description of a new species of Ambrosiella Odhner (Achatinellidae) (Mollusca: Gastropoda). Archiv für Molluskenkunde. 143(2): 107-133., disponível online em https://doi.org/10.1127/arch.moll/1869-0963/143/107-133
página(s): 109, Figs 3–4, map 2

MolluscaBase: https://molluscabase.org/aphia.php?p=taxdetails&id=1306774