Albertella	arthropod	Cambrian	Utah USA
	Ameura	arthropod	Pennsylvanian	Iowa USA
	Anomalocaris briggsi	arthropod	Cambrian	Canada
	Asaphus	arthropod	Ordovician	Spain
	Avitelmessus	arthropod	Cretaceous	Tennessee USA
	Avitelmessus	arthropod	Cretaceous	North Carolina USA
	Beetle larva	arthropod	Cretaceous	China
	Breviphillipsia	arthropod	Mississippian	New Mexico USA
	Breviphillipsia	arthropod	Mississippian	Missouri USA
	Bug	arthropod	Cretaceous	China
	Bumastus berriensis	arthropod	Silurian	Great Brit
	Calymene	arthropod	Ordovician	Spain
	Coelema	arthropod	Tertiary	Khazakstan
	Cornuproetus	arthropod	Devonian	Morocco
	Dakotacancer	arthropod	Cretaceous	North America
	Dikecephalina	arthropod	Ordovician	Morocco
	Ditimopyge	arthropod	Permian	Oklahoma USA
	Eofallotaspis	arthropod	Cambrian	Nevada USA
	Esmeraldina	arthropod	Cambrian	Nevada USA
	Fallotaspis longa	arthropod	Cambrian	Nevada USA
	Flexicalymene	arthropod	Ordovician	Ohio USA
	Galene	arthropod	Tertiary	Australia
	Galene	arthropod	Tertiary	Australia
	Geesops	arthropod	Devonian	Morocco
	Harpactocarcinus	arthropod	Tertiary	Texas USA
	Homarus	arthropod	Cretaceous	Montana USA
	Hoploparia	arthropod	Tertiary	England
	Longusorbis	arthropod	Cretaceous	Brittish Columbia Canada
	Longusorbis	arthropod	Cretaceous	Brittish Columbia Canada
	Meganeura monyi	cast of arthropod	Pennsylvanian	France
	Meganeuropsis americana	arthropod	Permian	Oklahoma USA
	Mosquito	arthropod	Cretaceous	China
	Mylacris	arthropod	Pennsylvanian	North America
	Neoproetus	arthropod	Permian	Basleo W Timor
	Nevadia weeksi	arthropod	Cambrian	Nevada USA
	Notopocorystes	arthropod	Cretaceous	Texas USA
	Olenellus gilberti	arthropod	Cambrian	Ruin Wash Nevada USA
	Paedeumias	arthropod	Cambrian	California USA
	Paradoxides davidis	arthropod	Cambrian	British Columbia Canada
	Phacops rana	arthropod	Devonian	Ohio
	Pseudogygites	arthropod	Ordovician	Ontario Canada
	Thalassina	arthropod	Quaternary	Australia
	Wanneria	arthropod	Cambrian	Pennsylvania USA