Notodiscus (Charopidae) on South Georgia: some implications of shell size, shell shape, and site isolation in a singular sub-Antarctic land snail

• Published in: Antarctic Science
• Main Authors: Pugh, Philip J. A., Lewis Smith, Ronald I.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Cambridge University Press 2011
• Subjects: Antarctic; Kerguelen; King Edward Point; Antarc*; Antarctic Science; Blue Eyed Shag; Phalacrocorax atriceps
• Online Access: https://arro.anglia.ac.uk/id/eprint/301728/; https://doi.org/10.1017/S0954102011000289

Multivariate analysis shows that shells of Notodiscus sp. (Charopidae: Pulmonata) reported from South Georgia are smaller and proportionately taller than, but otherwise similar to, populations of Notodiscus hookeri (Reeve) from Iles Crozet and Iles Kerguelen. The origin of this solitary, and spatial...