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Hemiarges ✝
Source Data |
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Rank | genus | ||||||||||||||||||||||||||||||||||||||||||||||||
Taxonomy (GBIF,PBDB) | Life : Animalia : Arthropoda : Trilobita : Lichida : Lichidae : Hemiarges | ||||||||||||||||||||||||||||||||||||||||||||||||
Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Scientific Name | Hemiarges Gürich, 1901 | ||||||||||||||||||||||||||||||||||||||||||||||||
Name Published In | N. Jahrb. Min. Geol., Stuttgart, Beil. Bd., 14 | ||||||||||||||||||||||||||||||||||||||||||||||||
Opinions (PBDB) |
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Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 23 | ||||||||||||||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 472 - 461 Ma Ordovician | ||||||||||||||||||||||||||||||||||||||||||||||||
Last Recorded Appearance | 423 - 419 Ma Paleozoic | ||||||||||||||||||||||||||||||||||||||||||||||||
Environment | marine (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
Motility | fast-moving (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
Vision | well-developed (based on Lichidae) | ||||||||||||||||||||||||||||||||||||||||||||||||
Diet | carnivore (based on Lichida) | ||||||||||||||||||||||||||||||||||||||||||||||||
Ontogeny | molting,addition of parts (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||||||||
Ecospace Comments | BODY SIZE: Data from Harrington et al. (1959). | ||||||||||||||||||||||||||||||||||||||||||||||||
Taphonomy | minor spines | ||||||||||||||||||||||||||||||||||||||||||||||||
Primary Reference (PBDB) | J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560 |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Hemiarges angustifrons ✝ species | accepted (GBIF) listed (PBDB) | 2 | 461 Ma Middle Ordovician | 458 Ma Late/Upper Ordovician | |
Hemiarges antelucanus ✝ species | accepted (GBIF) listed (PBDB) | 2 | 461 Ma Middle Ordovician | 458 Ma Late/Upper Ordovician | |
Hemiarges avalanchensis ✝ species | accepted (GBIF) listed (PBDB) | ||||
Hemiarges balanus ✝ species | accepted (GBIF) listed (PBDB) | 1 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
Hemiarges bartoni species | accepted (GBIF) | No associated record in PBDB | |||
Hemiarges diadayma ✝ species | accepted (GBIF) listed (PBDB) | 3 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
Hemiarges extremus ✝ species | accepted (GBIF) listed (PBDB) | 2 | 445 Ma Late/Upper Ordovician | 445 Ma Late/Upper Ordovician | |
Hemiarges inghami ✝ species | accepted (GBIF) listed (PBDB) | ||||
Hemiarges insolitus ✝ species | accepted (GBIF) listed (PBDB) | 2 | 466 Ma Middle Ordovician | 466 Ma Middle Ordovician | |
Hemiarges leviculus ✝ species | accepted (GBIF) listed (PBDB) | 2 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
Hemiarges maccullochi ✝ species | accepted (GBIF) listed (PBDB) | ||||
Hemiarges memorans ✝ species | accepted (GBIF) listed (PBDB) | ||||
Hemiarges paulianus ✝ species | accepted (GBIF) listed (PBDB) | 7 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
Hemiarges rohri ✝ species | accepted (GBIF) listed (PBDB) | ||||
Hemiarges troedssoni ✝ species | accepted (GBIF) listed (PBDB) | ||||
Hemiarges turneri ✝ species | accepted (GBIF) listed (PBDB) | 8 | 472 Ma Early/Lower Ordovician | 458 Ma Middle Ordovician | |
Hemiarges warburgae ✝ species | accepted (GBIF) listed (PBDB) | ||||
Hemiarges wesenbergensis ✝ species | accepted (GBIF) listed (PBDB) | 2 | 458 Ma Late/Upper Ordovician | 456 Ma Late/Upper Ordovician | |
Hemiarges zhaobishanensis ✝ species | accepted (GBIF) listed (PBDB) |
Synonymy List
Year | Name and Author |
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1901 | Hemiarges Gürich |
1936 | Choneilobarges Phleger |
1981 | Hemiarges Owen |
1988 | Hemiarges Thomas and Holloway p. 219 |
2002 | Hemiarges Jell and Adrain p. 383 |
2002 | Hemiarges Sepkoski, Jr. |
2005 | Hemiarges Pollitt et al. p. 238 |
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!