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Agnostida β
Source Data |
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Rank | order (PBDB) | |||||||||||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Arthropoda : Trilobita : Agnostida | |||||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Opinions (PBDB) |
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Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 592 | |||||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 530 - 513 Ma Cambrian | |||||||||||||||||||||||||||||||||||||||
Last Recorded Appearance | 445 - 443 Ma Paleozoic | |||||||||||||||||||||||||||||||||||||||
Environment | marine (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||
Motility | slow-moving (based on Agnostida) | |||||||||||||||||||||||||||||||||||||||
Diet | detritivore (based on Agnostida) | |||||||||||||||||||||||||||||||||||||||
Ontogeny | molting,addition of parts (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||
Ecospace Comments | ECOSPACE CODE: 121. | |||||||||||||||||||||||||||||||||||||||
Taphonomy | low Mg calcite, chitin (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||
Primary Reference (PBDB) | J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560 |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Agnostina β suborder | listed (PBDB) | 72 | 530 Ma Cambrian | 485 Ma Cambrian | |
Agnostoidea β superfamily | listed (PBDB) | 1,061 | 513 Ma Cambrian | 479 Ma Early/Lower Ordovician | |
Agnostidae β family | accepted (GBIF) listed (PBDB) | 1,705 | 516 Ma Cambrian | 458 Ma Middle Ordovician | |
Ammagnostidae β family | accepted (GBIF) listed (PBDB) | 1 | 513 Ma Cambrian | 513 Ma Cambrian | |
Clavagnostidae β family | accepted (GBIF) listed (PBDB) | 129 | 513 Ma Cambrian | 501 Ma Cambrian | |
Condylopygidae β family | accepted (GBIF) listed (PBDB) | 17 | 530 Ma Cambrian | 513 Ma Cambrian | |
Glyptagnostidae β family | accepted (GBIF) listed (PBDB) | ||||
Metagnostidae β family | accepted (GBIF) listed (PBDB) | 518 | 501 Ma Cambrian | 445 Ma Late/Upper Ordovician | |
Peronopsidae β family | accepted (GBIF) listed (PBDB) | 310 | 516 Ma Cambrian | 485 Ma Cambrian | |
Phalacromidae β family | accepted (GBIF) listed (PBDB) | 95 | 513 Ma Cambrian | 479 Ma Early/Lower Ordovician | |
Ptychagnostidae β family | accepted (GBIF) listed (PBDB) | 585 | 513 Ma Cambrian | 479 Ma Early/Lower Ordovician | |
Sphaeragnostidae β family | accepted (GBIF) listed (PBDB) | 19 | 466 Ma Middle Ordovician | 450 Ma Late/Upper Ordovician | |
Spinagnostidae β family | accepted (GBIF) listed (PBDB) | 517 | 516 Ma Cambrian | 485 Ma Cambrian | |
Quadrahomagnostinae β subfamily | listed (PBDB) | ||||
Agnostogonus β genus | accepted (GBIF) listed (PBDB) | 17 | 505 Ma Cambrian | 501 Ma Cambrian | |
Aistagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Allobodochus β genus | doubtful (GBIF) listed (PBDB) | ||||
Armagnostus β genus | accepted (GBIF) listed (PBDB) | ||||
Blystagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Ceragnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Chatkalagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Chelediscus β genus | accepted (GBIF) listed (PBDB) | ||||
Cristagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Delagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Dicerodiscus β genus | doubtful (GBIF) listed (PBDB) | ||||
Dignagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Dolichoagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Egyngolia β genus | doubtful (GBIF) listed (PBDB) | ||||
Euagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Formagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Granuloagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Gratagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Jinghediscus β genus | doubtful (GBIF) listed (PBDB) | ||||
Kiskinella β genus | doubtful (GBIF) listed (PBDB) | ||||
Kymagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Lavsanodiscus β genus | doubtful (GBIF) listed (PBDB) | ||||
Lenadiscus β genus | doubtful (GBIF) listed (PBDB) | ||||
Litometopus β genus | accepted (GBIF) listed (PBDB) | ||||
Meniscuchus β genus | doubtful (GBIF) listed (PBDB) | ||||
Micagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Miraculaspis β genus | doubtful (GBIF) listed (PBDB) | ||||
Monexagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Ninadiscus β genus | doubtful (GBIF) listed (PBDB) | ||||
Oodiscus β genus | accepted (GBIF) listed (PBDB) | ||||
Pleurinodus β genus | doubtful (GBIF) listed (PBDB) | ||||
Pseudocobboldia β genus | doubtful (GBIF) listed (PBDB) | ||||
Rhodotypiscus β genus | doubtful (GBIF) listed (PBDB) | ||||
Semadiscus β genus | doubtful (GBIF) listed (PBDB) | ||||
Stigmadiscus β genus | accepted (GBIF) listed (PBDB) | ||||
Tasagnostus β genus | doubtful (GBIF) listed (PBDB) | ||||
Triangulina β genus | listed (PBDB) | ||||
Xyoeax β genus | doubtful (GBIF) listed (PBDB) | ||||
Yukonia β genus | accepted (GBIF) listed (PBDB) |
Synonymy List
Year | Name and Author |
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1864 | Agnostida Salter |
1957 | Agnostida Harrington and Leanza |
1968 | Agnostida Robison and Pantoja-Alor p. 775 |
1972 | Agnostida Palmer and Gatehouse p. 9 |
1992 | Agnostida Bengtson p. 1022 |
1997 | Agnostida Whittington et al. p. 331 |
2002 | Agnostida Sepkoski, Jr. |
2008 | Agnostida Landing et al. p. 892 |
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!
House Range, Millard County, Utah, USA