How early tetrapods got their neck
Nature, Published online: 14 October 2026; doi:10.1038/d41586-026-03061-8
As fish evolved into four-limbed creatures, their skull separated from their shoulders to form a neck. Now we learn that this early neck was surprisingly rigid.原文：https://www.a8q9.cn/en/article/how-early-tetrapods-got-their-neck-a7431b.html