Andrew Kraemer, postdoc at Idaho University, is studying land snails belonging to “the most species-rich group of animals in the Galapagos, the snail genus Naesiotus”. He posted several beautiful pictures on his blog, and Flickr pages, some of which I here reproduce to share them with you.
Naesiotus cf. perrus (Dall, 1917), Fernandina
Naesiotus cf. pallidus (Reibisch, 1892), Isabela
Naesiotus eos (Odhner, 1951), Santa Cruz
Naesiotus tortuganus (Dall, 1893), Isabela
Naesiotus ochseni (Dall, 1917), Santa Cruz
Naesiotus asperatus (Albers, 1857), Floreana
Naesiotus rabidensis (Dall, 1917), Rabida
Naesiotus nux (Broderip, 1832), Floreana
Naesiotus unifasciatus (Reibisch, 1892), Floreana
And of course, this is but a small part of the total number of snail species in this archipelago. For background information on the diversification, see Parent & Crespi (2006), who erroneously used a different genus name.
Parent, C.E. & Crespi, B.J. (2006). Sequential colonization and diversification of Galapagos land snail genus Bulimulus (Gastropoda, Stylommatophora). – Evolution 60: 2311-2328.