JOURNAL ARTICLE

Ancient fish fossil suggests 'living skeletons' evolved 460 million years ago.

  • Published In: Sciencemag.org, 2025. P. N.PAG 1 of 3

  • Database: Applied Science & Technology Source Ultimate 2 of 3

  • Authored By: Pennisi, Elizabeth 3 of 3

Abstract

A recent study published in Sciencemag.org reveals that bone remodeling, the process of destroying and rebuilding bone, likely began at least 460 million years ago in ancient fish fossils. This discovery challenges previous beliefs that bone remodeling originated much later. The research, led by Yara Haridy from the University of Chicago, sheds light on the evolution of bone structure and the early development of skeletons in vertebrates. The findings suggest that even ancient jawless fish, like the 460-million-year-old Astraspis, may have had mechanisms for bone growth and repair. [Extracted from the article]

Additional Information

  • Source:Sciencemag.org. 2025/01, pN.PAG
  • Document Type:Article
  • Subject Area:Zoology
  • Publication Date:2025
  • Accession Number:182247098
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