Southern Hemisphere Springtails: Could Any Have Survived Glaciation of Antarctica?

Throughout the Southern Hemisphere many terrestrial taxa have circum-Antarctic distributions. This pattern is generally attributed to ongoing dispersal (by wind, water, or migrating birds) or relict Gondwanan distributions. Few of these terrestrial taxa have extant representatives in Antarctica, but...

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Bibliographic Details
Published in:Molecular biology and evolution 2006-05, Vol.23 (5), p.874-882
Main Authors: Stevens, Mark I., Greenslade, Penelope, Hogg, Ian D., Sunnucks, Paul
Format: Article
Language:English
Subjects:
Cryptopygus
Isotomidae
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Summary:Throughout the Southern Hemisphere many terrestrial taxa have circum-Antarctic distributions. This pattern is generally attributed to ongoing dispersal (by wind, water, or migrating birds) or relict Gondwanan distributions. Few of these terrestrial taxa have extant representatives in Antarctica, but such taxa would contribute to our understanding of the evolutionary origins of the continental Antarctic fauna. Either these taxa have survived the harsh climate cooling in Antarctica over the last 23 Myr (Gondwanan/vicariance origin) or they have dispersed there more recently (
ISSN:0737-4038
1537-1719
DOI:10.1093/molbev/msj073