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Bumastus orbicaudatus ✝
| Description | Bumastus is an extinct genus of corynexochid trilobites which existed from the Early Ordovician period to the Late Silurian period. They were relatively large trilobites, reaching a length of 6 in (15 cm). They were distinctive for their highly globular, smooth-surfaced exoskeleton. They possessed well-developed, large compound eyes and were believed to have dwelled in shallow-water sediments in life. From Wikipedia article at https://en.wikipedia.org/wiki/Bumastus_orbicaudatus, which is released under the Creative Commons Attribution-Share-Alike License 3.0. | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Source Data |
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| Rank | species | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (GBIF) | Life : Animalia : Arthropoda : Trilobita : Corynexochida : Illaenidae : Bumastus : Bumastus orbicaudatus | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Arthropoda : Trilobita : Corynexochida : Illaenidae : Bumastus : Bumastus orbicaudatus | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Generic Name | Bumastus | ||||||||||||||||||||||||||||||||||||||||||||||||
| Scientific Name | Bumastus orbicaudatus (Billings, 1859) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 1 | ||||||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 461 - 450 Ma Ordovician | ||||||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 450 - 444 Ma Paleozoic | ||||||||||||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Motility | actively mobile (based on Corynexochida) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Corynexochida) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Ontogeny | molting,addition of parts (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | low Mg calcite, chitin (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | W. H. Twenhofel. 1928. Geology of Anticosti Island. Geological Survey of Canada Memoir 154(2132):1-351 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Bumastus_orbicaudatus |
Fossil Distribution
Obsolete Names
| Name | Source | Taxon Rank | Taxonomy |
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| Illaenus orbicaudatus (Billings, 1859) | GBIF | species | Animalia : Arthropoda : Trilobita : Corynexochida : Illaenidae : Bumastus : Illaenus orbicaudatus |
Synonymy List
| Year | Name and Author |
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| 1859 | Illaenus orbicaudatus Billings p. 379 |
| 1928 | Bumastus orbicaudatus Twenhofel pp. 322 - 323 |
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!
