home.social

#echinoderm — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #echinoderm, aggregated by home.social.

  1. 500-million-year-old #fossil reveals how #starfish got their shape phys.org/news/2025-06-million-

    A new #Cambrian stem-group echinoderm reveals the #evolution of the anteroposterior axis: Stephanie Woodgate et al. cell.com/current-biology/fullt

    "The fossil, #Atlascystis acantha, is the oldest known #echinoderm with a bilateral body plan. It bridges the evolutionary gap between the closest living relatives of #echinoderms, all of which have bilateral symmetry, and the familiar five-armed forms alive today."