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Biciragnostus ✝
Description | Biciragnostus is a genus of trilobite in the order Agnostida, which existed in what is now Kazakhstan. It was described by F. Ergaliev in 2001, and the type species is Biciragnostus biformis. From Wikipedia article at https://en.wikipedia.org/wiki/Biciragnostus, which is released under the Creative Commons Attribution-Share-Alike License 3.0. | |||||||||||||||||||||||||||||||||||||||||||||
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Source Data |
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Rank | genus | |||||||||||||||||||||||||||||||||||||||||||||
Taxonomy (GBIF,PBDB) | Life : Animalia : Arthropoda : Trilobita : Agnostida : Agnostidae : Biciragnostus | |||||||||||||||||||||||||||||||||||||||||||||
Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Scientific Name | Biciragnostus F.Ergaliev, 2001 | |||||||||||||||||||||||||||||||||||||||||||||
Opinions (PBDB) |
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Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 2 | |||||||||||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 501 - 485 Ma Cambrian | |||||||||||||||||||||||||||||||||||||||||||||
Last Recorded Appearance | 499 - 485 Ma Cambrian | |||||||||||||||||||||||||||||||||||||||||||||
Environment | marine (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||||||||
Motility | slow-moving (based on Agnostida) | |||||||||||||||||||||||||||||||||||||||||||||
Vision | blind (based on Agnostidae) | |||||||||||||||||||||||||||||||||||||||||||||
Diet | detritivore (based on Agnostida) | |||||||||||||||||||||||||||||||||||||||||||||
Ontogeny | molting,addition of parts (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||||||||
Taphonomy | low Mg calcite, chitin (based on Trilobita) | |||||||||||||||||||||||||||||||||||||||||||||
Primary Reference (PBDB) | G. K. Ergaliev and F. G. Ergaliev. 2008. Agnostidy srednego i verkhnego Kembriya Aksayskogo Gosudarstvennogo Geologicheskogo Zakaznika v yushnom Kazakhstane (Kyrshabakty, Malyy Karatau) [Middle and Upper Cambrian Agnostida from the Aksai National Geological Reserve in southern Kazakhstan (Kyrshabakty River, Malyy Karatau Range)] | |||||||||||||||||||||||||||||||||||||||||||||
Wikipedia | https://en.wikipedia.org/wiki/Biciragnostus |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Biciragnostus biformis ✝ species | accepted (GBIF) listed (PBDB) | 3 | 501 Ma Cambrian | 499 Ma Cambrian |
Synonymy List
Year | Name and Author |
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2001 | Biciragnostus Ergaliev |
2008 | Biciragnostus Ergaliev and Ergaliev |
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!