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Cheirurus ✝
| Description | Cheirurus (from Greek xeip, cheir meaning "hand" and oupá, oura meaning "tail") is a genus of phacopid trilobites that lived from the Late Cambrian to the Middle Devonian. Its remains have been found in Africa, Asia, Australia, Europe, and North America. Cheirurus is the type genus of Cheiruridae. From Wikipedia article at https://en.wikipedia.org/wiki/Cheirurus, 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 : Phacopida : Cheiruridae : Cheirurus | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Cheirurus Beyrich, 1845 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Name Published In | Ueber einige böhmischen Trilobiten, p. 5 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 17 | ||||||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 479 - 466 Ma Ordovician | ||||||||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 388 - 383 Ma Devonian | ||||||||||||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Motility | fast-moving (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Vision | well-developed | ||||||||||||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Cheiruridae) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Ontogeny | molting,addition of parts (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Ecospace Comments | BODY SIZE: Data from Harrington et al. (1959). | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | major spines | ||||||||||||||||||||||||||||||||||||||||||||||||
| 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/Cheirurus |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Cheirurus (Actinopeltis) ✝ subgenus | listed (PBDB) | 27 | 479 Ma Early/Lower Ordovician | 446 Ma Late/Upper Ordovician | |
| Cheirurus (Crotalocephalina) ✝ subgenus | listed (PBDB) | 18 | 419 Ma Early/Lower Devonian | 411 Ma Early/Lower Devonian | |
| Cheirurus (Pseudosphaerexochus) ✝ subgenus | listed (PBDB) | ||||
| Cheirurus ahti species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus capitalis species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus cephaloceras species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus clasoni ✝ species | listed (PBDB) | 6 | 453 Ma Late/Upper Ordovician | 445 Ma Late/Upper Ordovician | |
| Cheirurus clasonii ✝ species | accepted (GBIF) listed (PBDB) | ||||
| Cheirurus dilatatus ✝ species | accepted (GBIF) listed (PBDB) | 1 | 433 Ma Silurian | 433 Ma Silurian | |
| Cheirurus dilitatus species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus estonicus species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus glaber ✝ species | accepted (GBIF) listed (PBDB) | 1 | 456 Ma Late/Upper Ordovician | 456 Ma Late/Upper Ordovician | |
| Cheirurus infensus species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus insignis species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus juvenis ✝ species | accepted (GBIF) listed (PBDB) | ||||
| Cheirurus mercurus species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus niagarensis ✝ species | accepted (GBIF) listed (PBDB) | 12 | 443 Ma Silurian | 433 Ma Silurian | |
| Cheirurus nuperus ✝ species | accepted (GBIF) listed (PBDB) | ||||
| Cheirurus oxina species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus patens ✝ species | accepted (GBIF) listed (PBDB) | 1 | 433 Ma Silurian | 433 Ma Silurian | |
| Cheirurus percensis species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus phollikodes species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus prolixus species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus punctatus ✝ species | accepted (GBIF) listed (PBDB) | ||||
| Cheirurus singularis species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus spinulosus species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus tarquininus ✝ species | accepted (GBIF) listed (PBDB) | ||||
| Cheirurus tornquisti ✝ species | accepted (GBIF) listed (PBDB) | 1 | 450 Ma Late/Upper Ordovician | 450 Ma Late/Upper Ordovician | |
| Cheirurus wahli species | accepted (GBIF) | No associated record in PBDB | |||
| Cheirurus welleri ✝ species | accepted (GBIF) listed (PBDB) | ||||
Obsolete Names
| Name | Source | Taxon Rank | Taxonomy |
|---|---|---|---|
| Chirurus Hawle & Corda, 1847 | GBIF | genus | Animalia : Arthropoda : Trilobita : Phacopida : Cheiruridae : Chirurus |
Synonymy List
| Year | Name and Author |
|---|---|
| 1845 | Cheirurus Beyrich |
| 1916 | Cheirurus Raymond p. 30 |
| 1925 | Cheirurus Warburg |
| 2002 | Cheirurus Jell and Adrain p. 357 |
| 2002 | Cheirurus 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!
