Megalaspides

Megalaspides is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period,^[1] approximately 478 to 471 million years ago.^[1]

Megalaspides Temporal range: Late Arenig
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	†Trilobita
Order:	†Asaphida
Family:	†Asaphidae
Genus:	†Megalaspides Brögger, 1886