Cyclopygoidea
{{Short description|Extinct superfamily of Trilobites}}
{{Automatic taxobox
| fossil_range = {{Fossil range|Furongian|Ordovician}}
| image = Pricyclopyge.jpg
| image_caption = Pricyclopyge binodosa
| taxon = Cyclopygoidea
| authority =
}}
Cyclopygoidea is a superfamily of trilobites in the order Asaphida, containing the families Cyclopygidae, Nileidae, Symphysurinidae, and Taihungshaniidae.{{Cite web |title=PBDB Taxon |url=https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=363283&is_real_user=1 |access-date=2024-12-24 |website=paleobiodb.org}} Some subgroups such as the Cyclopygidae are thought to have lived in the water column in the deep sea, where as telephinids such as Carolinites inhabited epipelagic depths.{{Cite journal |last1=McCormick |first1=Tim |last2=Fortey |first2=Richard A. |date=April 1998 |title=Independent testing of a paleobiological hypothesis: the optical design of two Ordovician pelagic trilobites reveals their relative paleobathymetry |url=https://www.cambridge.org/core/journals/paleobiology/article/abs/independent-testing-of-a-paleobiological-hypothesis-the-optical-design-of-two-ordovician-pelagic-trilobites-reveals-their-relative-paleobathymetry/9FB445C663A6DF413A4257E730EF1FD6 |journal=Paleobiology |language=en |volume=24 |issue=2 |pages=235–253 |doi=10.1666/0094-8373(1998)024[0235:ITOAPH]2.3.CO;2 |issn=0094-8373|url-access=subscription }} Some members of the family Nileidae were moved outside of it.{{Cite journal |last=Whittington |first=H. B. |date=2003 |title=The trilobite family Nileidae: morphology and classification |url=https://onlinelibrary.wiley.com/doi/10.1111/1475-4983.00313 |journal=Palaeontology |language=en |volume=46 |issue=4 |pages=635–646 |doi=10.1111/1475-4983.00313 |bibcode=2003Palgy..46..635W |issn=1475-4983}} The first cyclopygoids were of the family Simphysurinidae such as Symphysurina in Furongian (late Cambrian) North America.{{Cite journal |last1=Loch |first1=J. |last2=Taylor |first2=John F. |date=2012 |title=New symphysurinid trilobites from the Cambrian-Ordovician boundary interval in the western United States |journal=Memoirs of the Association of Australasian Palaeontologists|s2cid=53954813 }}
References
{{Reflist}}
Further reading
- {{Cite journal |last1=Ingham |first1=J. Keith |last2=Fortey |first2=Richard A. |date=December 2022 |title=Review of the Ordovician pelagic trilobite Ellipsotaphrus (Cyclopygoidea, Ellipsotaphridae) and its allies, with new discoveries from Girvan, Ayrshire |url=https://www.cambridge.org/core/journals/earth-and-environmental-science-transactions-of-royal-society-of-edinburgh/article/review-of-the-ordovician-pelagic-trilobite-ellipsotaphrus-cyclopygoidea-ellipsotaphridae-and-its-allies-with-new-discoveries-from-girvan-ayrshire/68E14B52917A5EE3DDB6A17FD44D273B |journal=Earth and Environmental Science Transactions of the Royal Society of Edinburgh |language=en |volume=113 |issue=4 |pages=313–336 |doi=10.1017/S1755691022000263 |issn=1755-6910|url-access=subscription }}
- {{Cite journal |last1=Park |first1=Tae-Yoon S. |last2=Kihm |first2=Ji-Hoon |last3=Woo |first3=Jusun |last4=Kim |first4=Young-Hwan G. |last5=Lee |first5=Jong-Ik |date=2016 |title=Ontogeny of the Furongian (late Cambrian) trilobite roceratopyge cf. . ata Whitehouse from northern Victoria Land, Antarctica, and the evolution of metamorphosis in trilobites |url=https://onlinelibrary.wiley.com/doi/10.1111/pala.12251 |journal=Palaeontology |language=en |volume=59 |issue=5 |pages=657–670 |doi=10.1111/pala.12251 |issn=1475-4983}}
- {{Cite journal |last=Paterson |first=John R. |date=January 2020 |title=The trouble with trilobites: classification, phylogeny and the cryptogenesis problem |url=https://www.cambridge.org/core/journals/geological-magazine/article/abs/trouble-with-trilobites-classification-phylogeny-and-the-cryptogenesis-problem/6D043CDA69A627B34BBD2CACC6F1E646 |journal=Geological Magazine |language=en |volume=157 |issue=1 |pages=35–46 |doi=10.1017/S0016756819000426 |issn=0016-7568|url-access=subscription }}
- {{Cite journal |last1=Laibl |first1=Lukáš |last2=Servais |first2=Thomas |last3=Mottequin |first3=Bernard |date=2023-12-01 |title=Tremadocian (Ordovician) trilobites from the Brabant Massif (Belgium): Palaeogeographical and palaeoecological implications |url=https://linkinghub.elsevier.com/retrieve/pii/S0016699523000682 |journal=Geobios |series=Ordovician of the World — Proceedings of the UNESCO/IGCP Project 653 absolutely final & Project 735 opening online meeting (13th-16th, September 2021) |volume=81 |pages=7–16 |doi=10.1016/j.geobios.2023.04.003 |issn=0016-6995|url-access=subscription }}
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Category:Trilobite superfamilies
Category:Furongian first appearances
Category:Ordovician trilobites
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