Original paper
A U-Pb zircon age constraint on the oldest-recorded air-breathing land animal
Abstract
The oldest-known air-breathing land animal is the millipede Pneumodesmus newmani, found in the Cowie Harbour Fish Bed at Stonehaven, Scotland. Here we report the youngest, most concordant 238U-206Pb zircon age from ash below the fish bed of 413.7±4.4 Ma (±2σ), whereas the youngest age from a tuffaceous sandstone above the fish bed is statistically indistinguishable at 414.3±7.1 Ma. The Cowie Harbour Fish Bed thus appears to be lowermost Devonian...
Paper Details
Title
A U-Pb zircon age constraint on the oldest-recorded air-breathing land animal
Published Date
Jun 28, 2017
Journal
Volume
12
Issue
6
Pages
e0179262 - e0179262
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Notes
History