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Harpidium
Taxonomy
Harpidium was named by Kirk (1925).
It was assigned to Pentamerinae by Jin and Chatterton (1997); to Pentamerida by Sepkoski (2002); and to Pentameridae by Williams et al. (2002).
It was assigned to Pentamerinae by Jin and Chatterton (1997); to Pentamerida by Sepkoski (2002); and to Pentameridae by Williams et al. (2002).
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by B. Kröger on 2015-01-27
Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Harpidium Kirk |
| 1997 | Harpidium Jin and Chatterton |
| 2002 | Harpidium Sepkoski |
| 2002 | Harpidium Williams et al. p. 976 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Harpidium Kirk 1925
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Subg. †Harpidium (Harpidium) Kirk 1925
Subg. †Harpidium (Sulcipentamerus)
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Hendy 2009, Nesnidal et al. 2013 | |||||
Collections (56 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rhuddanian - Aeronian | Russian Federation | H. sp. (185959) | |
| Llandovery | USA (Iowa) | H. maquoketa (26711 26712) H. maquoketa, H. sp. (26713) | |
| Llandovery | China (Hubei) | H. sp. (25793) | |
| Llandovery | China (Guizhou) | H. muchuanensis (25792) | |
| Llandovery - Wenlock | Svalbard and Jan Mayen | H. sp. (43308) | |
| Llandovery - Wenlock | Greenland | H. sp. (188529) | |
| Silurian | Canada (Northwest Territories) | H. sp. (25648) | |
| Silurian | USA (Alaska) | H. insignis, H. latus (109016) H. insignis, H. rotundus (109017) H. latus (111801 111805) H. sp. (108315) | |
| Aeronian | China (Hubei) | H. sp. (27813) | |
| Niagaran | USA (Indiana) | Apopentamerus sp. (22818) | |
| Telychian | China (Sichuan) | Apopentamerus sp. (23253 23254) | |
| Telychian | USA (Iowa) | H. maquoketa (25015 25016) H. maquoketa, H. sp. (26763) | |
| Telychian - Sheinwoodian | Canada (Québec) | Apopentamerus sp. (25162) | |
| Sheinwoodian | USA (Wisconsin) | Apopentamerus racinensis (13069) | |
| Sheinwoodian - Homerian | USA (Wisconsin) | Apopentamerus sp. (184874) | |
| Wenlock | USA (Wisconsin) | Apopentamerus racinensis (13001 13002 13012 13013 13014) Apopentamerus sp. (13353) | |
| Wenlock | USA (Iowa) | H. luckeyensis (25017) | |
| Wenlock | Canada (Northwest Territories) | H. sp. (24919 24920) | |
| Wenlock | Russian Federation | H. subangustum (23772) | |
| Wenlock | USA (California) | Apopentamerus sp. (226732) | |
| Wenlock - Ludlow | USA (Wisconsin) | Apopentamerus sp. (26701 26707) | |
| Wenlock - Ludlow | USA (Iowa) | H. sp. (25018 26716) | |
| Wenlock - Ludlow | USA (Illinois) | H. sp. (26704) | |
| Wenlock - Ludlow | Canada (Northwest Territories) | H. groenlandicum (188812 188815 188850 188865) H. sp. (24918) | |
| Wenlock - Silurian | USA (Wisconsin) | Apopentamerus racinensis (13104 13107) | |
| Ludlow | Canada (Northwest Territories) | H. groenlandicum (188896) H. groenlandicus (188899) | |
| Ludlow | Kazakhstan | H. insignis (24689) | |
| Ludlow | Russian Federation | H. insignis (23760 23763 23764 23765 23774) H. sp. (23696) |