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Lotagnostus ✝
| Description | Lotagnostus is a genus of very small trilobites in the order Agnostida, which lived on the outer continental shelves worldwide, during the late Upper Cambrian. It was described by Whitehouse in 1936, and the type species is Lotagnostus trisectus, which was originally described as a species of Agnostus by Salter in 1864. From Wikipedia article at https://en.wikipedia.org/wiki/Lotagnostus, 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 : Lotagnostus | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Lotagnostus Whitehouse, 1936 | |||||||||||||||||||||||||||||||||||||||||||||
| Name Published In | Mem. Qd Mus., 11 | |||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 17 | |||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 501 - 497 Ma Cambrian | |||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 485 - 478 Ma Paleozoic | |||||||||||||||||||||||||||||||||||||||||||||
| 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) | 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/Lotagnostus |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Lotagnostus (Distagnostus) ✝ subgenus | listed (PBDB) | 5 | 501 Ma Cambrian | 499 Ma Cambrian | |
| Lotagnostus (Eolotagnostus) ✝ subgenus | listed (PBDB) | 26 | 499 Ma Cambrian | 499 Ma Cambrian | |
| Lotagnostus (Lotagnostus) trisectus ✝ species | listed (PBDB) | 4 | 501 Ma Cambrian | 494 Ma Cambrian | |
| Lotagnostus agnostiformis ✝ species | accepted (GBIF) listed (PBDB) | 13 | 499 Ma Cambrian | 499 Ma Cambrian | |
| Lotagnostus americanus ✝ species | listed (PBDB) | 2 | 499 Ma Cambrian | 485 Ma Cambrian | |
| Lotagnostus asiaticus ✝ species | accepted (GBIF) listed (PBDB) | 5 | 499 Ma Cambrian | 499 Ma Cambrian | |
| Lotagnostus extremus ✝ species | accepted (GBIF) listed (PBDB) | 4 | 499 Ma Cambrian | 499 Ma Cambrian | |
| Lotagnostus hedini ✝ species | accepted (GBIF) listed (PBDB) | 7 | 501 Ma Cambrian | 485 Ma Cambrian | |
| Lotagnostus obscurus ✝ species | accepted (GBIF) listed (PBDB) | 5 | 499 Ma Cambrian | 499 Ma Cambrian | |
| Lotagnostus punctatus ✝ species | accepted (GBIF) listed (PBDB) | 20 | 499 Ma Cambrian | 499 Ma Cambrian | |
| Lotagnostus trisectus species | accepted (GBIF) | No associated record in PBDB | |||
Synonymy List
| Year | Name and Author |
|---|---|
| 1936 | Lotagnostus Whitehouse |
| 1997 | Lotagnostus Whittington et al. p. 341 |
| 2000 | Lotagnostus Bao and Jago pp. 887, 888 |
| 2002 | Lotagnostus Sepkoski, Jr. |
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!
