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Phragmorthidae
Taxonomy
Phragmorthidae was named by Williams (1965).
It was reranked as the subfamily Phragmorthinae by Potter (1990).
It was assigned to Cremnorthidae by Potter (1990); and to Plectorthoidea by Williams et al. (2000) and Hansen and Holmer (2011).
It was reranked as the subfamily Phragmorthinae by Potter (1990).
It was assigned to Cremnorthidae by Potter (1990); and to Plectorthoidea by Williams et al. (2000) and Hansen and Holmer (2011).
Subtaxa
Synonymy list
Year | Name and author |
---|---|
1965 | Phragmorthidae Williams |
1990 | Phragmorthinae Potter |
2000 | Phragmorthidae Williams et al. p. 774 |
2011 | Phragmorthidae 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.
Fm. †Phragmorthidae Williams 1965
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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: o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Aberhan et al. 2004, Nesnidal et al. 2013 |
Age range: base of the Early/Lower Llanvirn to the top of the Katian or 468.00000 to 445.20000 Ma
Collections (50 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Dapingian | Norway (Spitsbergen) | Phragmorthis noda (189842 189845 189849) | |
Chazyan | USA (Alabama) | Phragmorthis buttsi (162364) | |
Whiterockian | USA (Nevada) | Phragmorthis antiqua (80073) Phragmorthis sp. (80065) | |
Middle Ordovician - Late/Upper Ordovician | USA (California) | Phragmorthis sp. 1 (100563) | |
Early/Lower Llanvirn | Argentina | Phragmorthis sp. (8747 8748) | |
Darriwilian | Iran | Phragmorthis shahrudensis (186094) | |
Darriwilian | Norway (Spitsbergen) | Phragmorthis noda (189857 189871 189875) | |
Darriwilian | China (Sichuan) | Phragmorthis longisepta (64778 64780 64782 203294) | |
Llandeilo | USA (California) | Phragmorthis sp. 1 (56190) | |
Llandeilo | United Kingdom (Scotland) | Phragmorthis buttsi (164928 164931 164937) | |
Costonian | United Kingdom (Scotland) | Phragmorthis buttsi (76076) | |
Sandbian | USA (Alaska) | Phragmorthis buttsi (164856) | |
Caradoc | Kazakhstan | Phragmorthis conciliata (80207 80210 80217 80257 80261 80269 80276) | |
Caradoc | USA (California) | Phragmorthis buttsi (69223 100631) | |
Ashbyan | USA (Virginia) | Phragmorthis buttsi (164296) | |
Ashbyan | USA (Alaska) | Phragmorthis buttsi (164853) | |
Blackriveran | USA (California) | Phragmorthis buttsi (100555) Phragmorthis sp. 1 (99804) | |
Burrellian | United Kingdom (Scotland) | Phragmorthis sp. nov. (165043 165047) | |
Chatfieldian | USA (Virginia) | Phragmorthis crassa (105205) | |
Katian | Kazakhstan | Phragmorthis sp. (204075 204091) | |
Ashgill | USA (California) | Phragmorthis buttsi (99696 99697 99698 100644) Phragmorthis sp. 1 (99805 99806 100579 100589) | |
Rawtheyan - Pusgillian | USA (Alaska) | Phragmorthis buttsi (164855) |