Encrinuridae
{{Short description|Extinct family of trilobites}}
{{Automatic taxobox
| fossil_range = {{fossil_range|Middle Ordovician|Early Devonian}}
| image = Encrinurus egani from Wisconsin.JPG
| image_alt = Fossil of "Encrinurus egani" from the Racine Dolomite
| image_caption = Fossil of Encrinurus egani from the Racine Dolomite
| taxon = Encrinuridae
| synonyms =
| synonyms_ref =
| subdivision_ranks =
| subdivision =
}}
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 {{Ma|479|412.3}}, existing for approximately 66.7 million years.[https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=97159 PaleoBiology Database: Encrinuridae, basic info]
Taxonomy
Encrinuridae was named by Angelin (1854). It was assigned to Phacopida by Gregory Edgecombe (1994).{{cite journal |last1=Edgecombe |first1=Gregory D. |title=New Lower Silurian (Llandovery) encrinurine trilobites from the Mackenzie Mountains, Canada |journal=Journal of Paleontology |date=1994 |volume=68 |issue=4 |pages=824–837 |doi=10.1017/S0022336000026263 |jstor=1306150 |bibcode=1994JPal...68..824E |s2cid=132373442 }} It contains the following genera:{{Cite web |url=http://www.trilobites.info/ordphacopida.htm |title=Order Phacopida |author=S. M. Gon III |accessdate=November 21, 2010}}
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- {{extinct}}Aegrotocatellus
- {{extinct}}Alwynulus
- {{extinct}}Atractocybeloides
- {{extinct}}Atractopyge
- {{extinct}}Avalanchurus
- {{extinct}}Balizoma
- {{extinct}}Batocara
- {{extinct}}Bevanopsis
- {{extinct}}Billevittia
- {{extinct}}Brianurus
- {{extinct}}Celtencrinurus
- {{extinct}}Coronaspis
- {{extinct}}Coronocephalus
- {{extinct}}Cromus
- {{extinct}}Curriella
- {{extinct}}Cybele
- {{extinct}}Cybeloides
- {{extinct}}Cybelurus
- {{extinct}}Dayongia
- {{extinct}}Deacybele
- {{extinct}}Dindymene
- {{extinct}}Distyrax
- {{extinct}}Dnestrovites
- {{extinct}}Elsarella
- {{extinct}}Encrinuroides
- {{extinct}}Encrinurus
- {{extinct}}Eodindymene
- {{extinct}}Erratencrinurus
- {{extinct}}Fragiscutum
- {{extinct}}Frammia
- {{extinct}}Frencrinuroides
- {{extinct}}Johntempleia
- {{extinct}}Kailia
- {{extinct}}Koksorenus
- {{extinct}}Langgonia
- {{extinct}}Lasaguaditas
- {{extinct}}Libertella
- {{extinct}}Lyrapyge
- {{extinct}}Mackenziurus
- {{extinct}}Mitchellaspis
- {{extinct}}Nucleurus
- {{extinct}}Oedicybele
- {{extinct}}Paracybeloides
- {{extinct}}Paraencrinurus
- {{extinct}}Parakailia
- {{extinct}}Perirehaedulus
- {{extinct}}Perryus
- {{extinct}}Physemataspis
- {{extinct}}Plasiaspis
- {{extinct}}Prophysemataspis
- {{extinct}}Prostrix
- {{extinct}}Rielaspis
- {{extinct}}Rongxiella
- {{extinct}}Sinocybele
- {{extinct}}Staurocephalus
- {{extinct}}Stiktocybele
- {{extinct}}Struszia
- {{extinct}}Tewonia
- {{extinct}}Walencrinuroides
- {{extinct}}Wallacia
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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
{{Reflist}}
{{Portal|Paleontology}}
- 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
{{commons category}}
- [https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=21560 Encrinurus] in the Paleobiology Database
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Category:Ordovician trilobites
Category:Trilobites of Oceania
Category:Middle Ordovician first appearances
Category:Early Devonian extinctions
Category:Trilobites of North America
Category:Trilobites of South America
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