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Phragmorthis
Taxonomy
Phragmorthis was named by Cooper (1956). Its type is Phragmorthis buttsi.
It was assigned to Phragmorthinae by Potter (1990); to Orthida by Sepkoski (2002); and to Phragmorthidae by Williams et al. (2000) and Hansen and Holmer (2011).
It was assigned to Phragmorthinae by Potter (1990); to Orthida by Sepkoski (2002); and to Phragmorthidae by Williams et al. (2000) and Hansen and Holmer (2011).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1956 | Phragmorthis Cooper |
1990 | Phragmorthis Potter |
2000 | Phragmorthis Williams et al. p. 775 |
2002 | Phragmorthis Sepkoski |
2011 | Phragmorthis Hansen and Holmer |
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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. †Phragmorthis Cooper 1956
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†Phragmorthis antiqua Ross, Jr. 1972
†Phragmorthis buttsi Cooper 1956
†Phragmorthis eximia Popov and Cocks 2014
†Phragmorthis noda Hansen and Holmer 2011
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: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 |
Age range: base of the Dapingian to the top of the Pusgillian or 470.00000 to 445.60000 Ma
Collections (50 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Whiterockian | USA (Nevada) | P. antiqua (80073) P. sp. (80065) | |
Dapingian | Norway (Spitsbergen) | P. noda (189842 189845 189849) | |
Middle Ordovician - Late/Upper Ordovician | USA (California) | P. sp. 1 (100563) | |
Darriwilian | Norway (Spitsbergen) | P. noda (189857 189871 189875) | |
Darriwilian | Iran | P. shahrudensis (186094) | |
Darriwilian | China (Sichuan) | P. longisepta (64778 64780 64782 203294) | |
Early/Lower Llanvirn | Argentina | P. sp. (8747 8748) | |
Chazy | USA (Alabama) | P. buttsi (162364) | |
Llandeilo | United Kingdom (Scotland) | P. buttsi (164928 164931 164937) | |
Llandeilo | USA (California) | P. sp. 1 (56190) | |
Costonian | United Kingdom (Scotland) | P. buttsi (76076) | |
Ashbyan | USA (Alaska) | P. buttsi (164853) | |
Ashbyan | USA (Virginia) | P. buttsi (164296) | |
Blackriveran | USA (California) | P. buttsi (100555) P. sp. 1 (99804) | |
Caradoc | Kazakhstan | P. conciliata (80207 80210 80217 80257 80261 80269 80276) | |
Caradoc | USA (California) | P. buttsi (69223 100631) | |
Chatfieldian | USA (Virginia) | P. crassa (105205) | |
Sandbian | USA (Alaska) | P. buttsi (164856) | |
Burrellian | United Kingdom (Scotland) | P. sp. nov. (165043 165047) | |
Rawtheyan - Pusgillian | USA (Alaska) | P. buttsi (164855) | |
Katian | Kazakhstan | P. sp. (204075 204091) | |
Ashgill | USA (California) | P. sp. 1 (100589) | |
Ashgillian | USA (California) | P. buttsi (99696 99697 99698 100644) P. sp. 1 (99805 99806 100579) |