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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: Nesnidal et al. 2013, Aberhan et al. 2004 |
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) | Phragmorthis antiqua (80073) Phragmorthis sp. (80065) | |
Dapingian | Norway (Spitsbergen) | Phragmorthis noda (189842 189845 189849) | |
Middle Ordovician - Late/Upper Ordovician | USA (California) | Phragmorthis sp. 1 (100563) | |
Darriwilian | China (Sichuan) | Phragmorthis longisepta (64778 64780 64782 203294) | |
Darriwilian | Iran | Phragmorthis shahrudensis (186094) | |
Darriwilian | Norway (Spitsbergen) | Phragmorthis noda (189857 189871 189875) | |
Early/Lower Llanvirn | Argentina | Phragmorthis sp. (8747 8748) | |
Chazy | USA (Alabama) | Phragmorthis buttsi (162364) | |
Llandeilo | USA (California) | Phragmorthis sp. 1 (56190) | |
Llandeilo | United Kingdom (Scotland) | Phragmorthis buttsi (164928 164931 164937) | |
Costonian | United Kingdom (Scotland) | Phragmorthis buttsi (76076) | |
Ashbyan | USA (Virginia) | Phragmorthis buttsi (164296) | |
Ashbyan | USA (Alaska) | Phragmorthis buttsi (164853) | |
Blackriveran | USA (California) | Phragmorthis buttsi (100555) Phragmorthis sp. 1 (99804) | |
Caradoc | USA (California) | Phragmorthis buttsi (69223 100631) | |
Caradoc | Kazakhstan | Phragmorthis conciliata (80207 80210 80217 80257 80261 80269 80276) | |
Chatfieldian | USA (Virginia) | Phragmorthis crassa (105205) | |
Sandbian | USA (Alaska) | Phragmorthis buttsi (164856) | |
Burrellian | United Kingdom (Scotland) | Phragmorthis sp. nov. (165043 165047) | |
Rawtheyan - Pusgillian | USA (Alaska) | Phragmorthis buttsi (164855) | |
Katian | Kazakhstan | Phragmorthis sp. (204075 204091) | |
Ashgill | USA (California) | Phragmorthis sp. 1 (100589) | |
Ashgillian | USA (California) | Phragmorthis buttsi (99696 99697 99698 100644) Phragmorthis sp. 1 (99805 99806 100579) |