Scottish fossils tell story of first life
on land, BBC News
http://www.bbc.com/news/science-environment-38186397
Evolution: First four-legged animals to walk
on land found in 20 million year gap in fossil
record, International Business Times UK –
http://www.ibtimes.co.uk/mystery-20-million-years-missing-fossils-solved-five-new-species-1594933
The paper is:
Clack, J. A., C. E. Bennett, ad many others, 2016,
Phylogenetic and environmental context of a
Tournaisian tetrapod fauna. Nature Ecology &
Evolution 1, Article