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Cyclopygoidea β
| Source Data |
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| Rank | superfamily (PBDB) | ||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Arthropoda : Trilobita : Asaphida : Cyclopygoidea | ||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Opinions (PBDB) |
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| Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 122 | ||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 501 - 485 Ma Cambrian | ||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 450 - 444 Ma Paleozoic | ||||||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||
| Motility | fast-moving (based on Asaphida) | ||||||||||||||||||||||||||||||||||||||||||
| Diet | deposit feeder (based on Asaphida) | ||||||||||||||||||||||||||||||||||||||||||
| Ontogeny | molting,addition of parts (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | low Mg calcite, chitin (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | R. A. Fortey and D. L. Bruton. 2013. Lower Ordovician trilobites of the Kirtonryggen Formation, Spitsbergen. Fossils and Strata 59:1-116 | ||||||||||||||||||||||||||||||||||||||||||
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Cyclopygidae β family | accepted (GBIF) listed (PBDB) | 294 | 485 Ma Cambrian | 450 Ma Late/Upper Ordovician | |
| Nileidae β genus | accepted (GBIF) listed (PBDB) | 686 | 501 Ma Cambrian | 450 Ma Late/Upper Ordovician | |
| Symphysurinidae β family | accepted (GBIF) listed (PBDB) | 22 | 485 Ma Cambrian | 479 Ma Early/Lower Ordovician | |
| Taihungshaniidae β family | accepted (GBIF) listed (PBDB) | 129 | 485 Ma Cambrian | 466 Ma Middle Ordovician |
Synonymy List
| Year | Name and Author |
|---|---|
| 1925 | Cyclopygoidea Raymond |
| 2011 | Cyclopygoidea Adrain p. 107 |
| 2013 | Cyclopygoidea Fortey and Bruton |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
