From ABC News in Science, 3 August 2017:
Trapdoor spiders are reluctant travellers, but millions of years ago one species appears to have made an epic journey from Africa across the vast Indian Ocean to call Australia home.
The Australian trapdoor spider — Moggridgea rainbowi — which is found on Kangaroo Island is famously provincial, rarely moving more than a few metres away from its birthplace for its entire life.
But a study of the spider’s genome, published today in PLOS One, shows it split away from its closest relatives in Africa between 2 and 16 million years ago. Read more.