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Elrathina ✝
| Description | Elrathia is a genus of ptychopariid trilobite species that lived during the Middle Cambrian of Utah, and possibly British Columbia. E. kingii is one of the most common trilobite fossils in the USA locally found in extremely high concentrations within the Wheeler Formation in the U.S. state of Utah.E. kingii has been considered the most recognizable trilobite. Commercial quarries extract E. kingii in prolific numbers, with just one commercial collector estimating 1.5 million specimens extracted in a 20-year career. 1950 specimens of Elrathia are known from the Greater Phyllopod bed, where they comprise 3.7% of the community. From Wikipedia article at https://en.wikipedia.org/wiki/Elrathina, 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 : Ptychopariida : Ptychopariidae : Elrathina | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Elrathina Resser, 1937 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Name Published In | Smithson. Misc. Coll., 95 (22) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 3 | ||||||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 516 - 513 Ma Cambrian | ||||||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 501 - 485 Ma Cambrian | ||||||||||||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Motility | fast-moving | ||||||||||||||||||||||||||||||||||||||||||||||||
| Vision | well-developed (based on Ptychopariidae) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Diet | detritivore | ||||||||||||||||||||||||||||||||||||||||||||||||
| Ontogeny | molting,addition of parts (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Ecospace Comments | Epifaunal vagrant deposit feeder (Caron & Jackson, 2008). | ||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Elrathina |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Elrathina antiqua ✝ species | accepted (GBIF) listed (PBDB) | 3 | 513 Ma Cambrian | 513 Ma Cambrian | |
| Elrathina brevifrons species | accepted (GBIF) | No associated record in PBDB | |||
| Elrathina convexa species | accepted (GBIF) | No associated record in PBDB | |||
| Elrathina cordillerae species | accepted (GBIF) | No associated record in PBDB | |||
| Elrathina erecta species | accepted (GBIF) | No associated record in PBDB | |||
| Elrathina fecunda species | accepted (GBIF) | No associated record in PBDB | |||
| Elrathina hybrida species | accepted (GBIF) | No associated record in PBDB | |||
| Elrathina lickensis species | accepted (GBIF) | No associated record in PBDB | |||
| Elrathina marginalis species | accepted (GBIF) | No associated record in PBDB | |||
| Elrathina nodulosa species | accepted (GBIF) | No associated record in PBDB | |||
| Elrathina oculineata species | accepted (GBIF) | No associated record in PBDB | |||
| Elrathina offula ✝ species | accepted (GBIF) listed (PBDB) | ||||
| Elrathina parallela species | accepted (GBIF) | No associated record in PBDB | |||
| Elrathina spinifera species | accepted (GBIF) | No associated record in PBDB | |||
Synonymy List
| Year | Name and Author |
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| 1937 | Elrathina Resser |
| 1979 | Elrathina Palmer and Halley p. 103 |
| 2002 | Elrathina Jell and Adrain p. 478 |
| 2002 | Elrathina Sepkoski, Jr. |
| 2008 | Elrathina Caron and Jackson p. 226 |
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!
