{"version":"1.0","type":"link","title":"Macrogrammus - Newikis","description":"Macrogrammus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period, a faunal stage which lasted from approximately 478 to 471 million years ago. Its fossil name is Macrogrammus scylfense…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}