Ophiura fossils dating from the Ordovician period.
Also known as Brittle Stars or Ophiuroids (aka Serpent Stars), they are echinoderms of the class Ophiuroidea and can be considered an ancestor of today's starfish.
Ophiura fossils dating from the Ordovician period. Also known as Brittle Stars or Ophiuroids (aka Serpent Stars), they are echinoderms of the class Ophiuroidea and can be considered an ancestor of today's starfish.