Encrinuridae
Introduction '''Encrinuridae''' is a family of trilobite within the order Phacopida that lived in what would be Africa, Asia, Australia, Europe, North America, and South America from the middle Ordovician to the early Devonian from , existing for approximately .
Taxonomy Encrinuridae was named by Angelin (1854). It was assigned to Phacopida by Gregory Edgecombe (1994). It contains the following genera:*''Aegrotocatellus''*''Alwynulus''*''Atractocybeloides''*''Atractopyge''*''Avalanchurus''*''Balizoma''*''Batocara''*''Bevanopsis''*''Billevittia''*''Brianurus''*''Celtencrinurus''*''Coronaspis''*''Coronocephalus''*''Cromus''*''Curriella''*''Cybele''*''Cybeloides''*''Cybelurus''*''Dayongia''*''Deacybele''*''Dindymene''*''Distyrax''*''Dnestrovites''*''Elsarella''*''Encrinuroides''*''Encrinurus''*''Eodindymene''*''Erratencrinurus''*''Fragiscutum''*''Frammia''*''Frencrinuroides''*''Johntempleia''*''Kailia''*''Koksorenus''*''Langgonia''*''Lasaguaditas''*''Libertella''*''Lyrapyge''*''Mackenziurus''*''Mitchellaspis''*''Nucleurus''*''Oedicybele''*''Paracybeloides''*''Paraencrinurus''*''Parakailia''*''Perirehaedulus''*''Perryus''*''Physemataspis''*''Plasiaspis''*''Prophysemataspis''*''Prostrix''*''Rielaspis''*''Rongxiella''*''Sinocybele''*''Staurocephalus''*''Stiktocybele''*''Struszia''*''Tewonia''*''Walencrinuroides''*''Wallacia''
Fossil distribution Fossils were found in strata dating from the Arenig to Lochkovian ages. Locations were varied and stretched from Florentine Valley, Tasmania to Xinjiang Province, China to Will County, Illinois.
Sources * ''Fossils'' (Smithsonian Handbooks) by David Ward* ''Trilobites'' by Riccardo Levi-Setti* ''Invertebrate Palaeontology and Evolution'' by E.N.K. Clarkson* ''Trilobites: Common Trilobites of North America'' (A NatureGuide book) by Jasper Burns
External links * ''Encrinurus'' in the Paleobiology Database