Note: This historical image is not a factually accurate paleontological restoration.
Reason: 2024 study shows that previous reconstructions were upside down anatomically.[1]
You may ask further questions about the accuracy of this image at the image review page of Wikiproject Palaeontology on the English Wikipedia. Note that this image may be appropriate to illustrate obsolete paleontological views.
摘要
Pikaia gracilens
()
标题
Pikaia gracilens
描述
Italiano: Ricostruzione in scala 4:1.
日期
Italiano: Cambriano medio. Ca. 505 milioni di anni