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Bumastus ✝
| 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, 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 : Corynexochida : Illaenidae : Bumastus | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | |||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Bumastus Murchison, 1839 | |||||||||||||||||||||||||||||||||||||||||||||
| Name Published In | Silurian System | |||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 26 | |||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 485 - 478 Ma Paleozoic | |||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 423 - 419 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) | |||||||||||||||||||||||||||||||||||||||||||||
| Ecospace Comments | BODY SIZE: Data from Harrington et al. (1959). | |||||||||||||||||||||||||||||||||||||||||||||
| 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/Bumastus |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Bumastus (Bumastella) ✝ subgenus | listed (PBDB) | 3 | 427 Ma Silurian | 427 Ma Silurian | |
| Bumastus (Bumastus) ✝ subgenus | listed (PBDB) | 5 | 439 Ma Silurian | 427 Ma Silurian | |
| Bumastus agmakros ✝ species | accepted (GBIF) listed (PBDB) | 1 | 427 Ma Silurian | 427 Ma Silurian | |
| Bumastus aplatus species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus aspera species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus barriensis ✝ species | accepted (GBIF) listed (PBDB) | 8 | 443 Ma Silurian | 423 Ma Silurian | |
| Bumastus billingsi species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus bipunctatus species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus clairensis species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus comes species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus cuniculus ✝ species | accepted (GBIF) listed (PBDB) | 5 | 443 Ma Silurian | 433 Ma Silurian | |
| Bumastus dayi ✝ species | accepted (GBIF) listed (PBDB) | 1 | 433 Ma Silurian | 433 Ma Silurian | |
| Bumastus decipiens ✝ species | accepted (GBIF) listed (PBDB) | ||||
| Bumastus dispassus species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus gardenensis species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus glomerosus species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus graftonensis ✝ species | accepted (GBIF) listed (PBDB) | 1 | 433 Ma Silurian | 433 Ma Silurian | |
| Bumastus holei species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus indeterminatus ✝ species | accepted (GBIF) listed (PBDB) | 3 | 466 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
| Bumastus insignis ✝ species | accepted (GBIF) listed (PBDB) | 2 | 443 Ma Silurian | 433 Ma Silurian | |
| Bumastus ioxus ✝ species | accepted (GBIF) listed (PBDB) | 19 | 443 Ma Silurian | 433 Ma Silurian | |
| Bumastus kattoi ✝ species | accepted (GBIF) listed (PBDB) | 1 | 427 Ma Silurian | 427 Ma Silurian | |
| Bumastus lenzi species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus lioderma species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus longiops species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus milleri species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus niagarensis ✝ species | accepted (GBIF) listed (PBDB) | 2 | 443 Ma Silurian | 433 Ma Silurian | |
| Bumastus nudus ✝ species | accepted (GBIF) listed (PBDB) | 2 | 450 Ma Late/Upper Ordovician | 450 Ma Late/Upper Ordovician | |
| Bumastus orbicaudatus ✝ species | accepted (GBIF) listed (PBDB) | 11 | 461 Ma Middle Ordovician | 450 Ma Late/Upper Ordovician | |
| Bumastus rowleyi ✝ species | accepted (GBIF) listed (PBDB) | 1 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
| Bumastus sakoi ✝ species | accepted (GBIF) listed (PBDB) | 1 | 427 Ma Silurian | 427 Ma Silurian | |
| Bumastus spiculus species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus subquadratus species | accepted (GBIF) | No associated record in PBDB | |||
| Bumastus tenuis ✝ species | accepted (GBIF) listed (PBDB) | 1 | 433 Ma Silurian | 433 Ma Silurian | |
| Bumastus trentonensis ✝ species | accepted (GBIF) listed (PBDB) | 2 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
| Bumastus vulsus ✝ species | accepted (GBIF) listed (PBDB) | 2 | 441 Ma Silurian | 439 Ma Silurian | |
| Bumastus xestos species | accepted (GBIF) | No associated record in PBDB | |||
Obsolete Names
| Name | Source | Taxon Rank | Taxonomy |
|---|---|---|---|
| Bumastes Burmeister, 1843 | GBIF | genus | Animalia : Arthropoda : Trilobita : Corynexochida : Illaenidae : Bumastes |
Synonymy List
| Year | Name and Author |
|---|---|
| 1839 | Bumastus Murchison |
| 1916 | Bumastus Raymond p. 16 |
| 1925 | Bumastus Warburg |
| 2002 | Bumastus Jell and Adrain p. 353 |
| 2002 | Bumastus 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!
Danville, Montgomery County, Missouri, USA