Correction: Descriptive anatomy and three-dimensional reconstruction of the skull of the early tetrapod Acanthostega gunnari Jarvik, 1952.

There are errors in affiliations for authors Emily Rayfield and Jennfier Clack. The affiliations should appear as shown here: Laura B. Porro1,2,3, Emily J. Rayfield2, Jennifer A. Clack3

1 Structure and Motion Laboratory, Royal Veterinary College, University of London, Hatfield, United Kingdom

2 School of Earth Sciences, University of Bristol, Bristol, United Kingdom

3 Department of Zoology, University of Cambridge, Cambridge, United Kingdom