HEMICHORDATE HERITAGE: GRAPTOLITES
Summary:
From the dark shales of the Piranha Formation in Bolivia comes a striking fossil — Isograptus cf. maximus, a graptolite from the Middle Ordovician (Dapingian Stage), some 470 million years ago. This specimen, preserved in exquisite detail, is a window into the complex colonial life forms that once drifted through the ancient oceans of Gondwana.Graptolites (Graptolita) were colonial marine
Content analysis:
Keywords:
bolivia