https://creativecommons.org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Representative stem-group chordates and comparisons with Pikaia...
4.0 truetrue English Schematic reconstruction of the anterior region of Pikaia under the new anatomical interpretation, showing the anterior appendages...
4.0 truetrue English Schematic reconstruction of the anterior region of Pikaia under the new anatomical interpretation, showing the anterior appendages...
org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Schematic anatomical reconstruction of Yunnanozoon (E) and Pikaia (F, G)....
org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Detail (H) and schematic reconstruction (I) of the anterior region of Pikaia...
4.0 International license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions:...
