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Platystrophia
Taxonomy
Platystrophia was named by King (1850). Its type is Terebratulites biforatus.
It was reranked as Orthis (Platystrophia) by Meek (1873).
It was assigned to Orthis by Meek (1873); to Platystrophinae by Neuman (1964) and Mitchell (1977); to Plectorthidae by Oraspold (1956), Oraspold (1959), Macomber (1970) and Howe (1988); to Platystrophiinae by Rubel (1961), Bassett and Cocks (1974), Jin and Chatterton (1997) and Zuykov (1999); to Orthida by Sepkoski (2002); and to Platystrophiidae by Williams et al. (2000), Zuykov and Egerquist (2005), Zuykov and Harper (2007) and Liljeroth et al. (2017).
It was reranked as Orthis (Platystrophia) by Meek (1873).
It was assigned to Orthis by Meek (1873); to Platystrophinae by Neuman (1964) and Mitchell (1977); to Plectorthidae by Oraspold (1956), Oraspold (1959), Macomber (1970) and Howe (1988); to Platystrophiinae by Rubel (1961), Bassett and Cocks (1974), Jin and Chatterton (1997) and Zuykov (1999); to Orthida by Sepkoski (2002); and to Platystrophiidae by Williams et al. (2000), Zuykov and Egerquist (2005), Zuykov and Harper (2007) and Liljeroth et al. (2017).
Species
Orthis (Platystrophia) cypha, Orthis (Platystrophia) laticosta, P. acutilirata, P. amoena, P. anomala, P. baltica, P. biforatus, P. caelata, P. chama, P. clarksvillensis, P. colbiensis, P. costata, P. costatus, P. crassa, P. crassoplicata, P. cypha, P. dentata, P. elegantula, P. extensa, P. hongueda, P. humilis, P. inferaplica, P. laticosta, P. lutkevichi, P. orbiculata, P. pogrebovi, P. ponderosa, P. profundosulcata, P. putilovensis, P. quadriplicata, P. saxbyensis, P. scotica, P. tenuicosta, P. tenuicostata, P. tramorensis, P. trentonensis
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1850 | Platystrophia King p. 106 |
| 1873 | Orthis (Platystrophia) Meek p. 116 |
| 1956 | Platystrophia Oraspold |
| 1959 | Platystrophia Oraspold |
| 1961 | Platystrophia Rubel |
| 1964 | Platystrophia Neuman |
| 1970 | Platystrophia Macomber |
| 1974 | Platystrophia Bassett and Cocks |
| 1977 | Platystrophia Mitchell |
| 1988 | Platystrophia Howe p. 213 |
| 1997 | Platystrophia Jin and Chatterton |
| 1999 | Platystrophia Zuykov |
| 2000 | Platystrophia Williams et al. p. 775 |
| 2002 | Platystrophia Sepkoski |
| 2005 | Platystrophia Zuykov and Egerquist |
| 2007 | Platystrophia Zuykov and Harper pp. 23 - 24 |
| 2017 | Platystrophia Liljeroth et al. |
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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. †Platystrophia King 1850
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†Orthis (Platystrophia) cypha James 1874
†Orthis (Platystrophia) laticosta James 1871
†Platystrophia acutilirata Conrad 1842
†Platystrophia amoena McEwan 1919
†Platystrophia anomala Hiller 1980
†Platystrophia baltica Zuykov and Harper 2007
†Platystrophia biforatus Schlotheim 1820
†Platystrophia caelata Williams 1974
†Platystrophia chama Eichwald 1861
†Platystrophia clarksvillensis Foerste 1910
†Platystrophia colbiensis Foerste 1910
†Platystrophia costata Pander 1830
†Platystrophia costatus Pander 1830
†Platystrophia crassa James 1874
†Platystrophia crassoplicata Alichova 1951
†Platystrophia crassoplicata rava Oraspold 1956
†Platystrophia cypha James 1874
†Platystrophia dentata Pander 1830
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†Platystrophia dentata dentatoides Oraspold 1956
†Platystrophia dentata trapezoidalis Alichova 1951
†Platystrophia dentata triata Oraspold 1956
†Platystrophia dentata evari Oraspold 1956
†Platystrophia elegantula McEwan 1919
†Platystrophia extensa McEwan 1920
†Platystrophia hongueda Li and Copper 2006
†Platystrophia humilis Oraspold 1959
†Platystrophia inferaplica Cooper 1930
†Platystrophia laticosta James 1871
†Platystrophia lutkevichi Alikhova 1951
†Platystrophia lutkevichi satura Oraspold 1959
†Platystrophia orbiculata Oraspold 1959
†Platystrophia pogrebovi Zuykov and Harper 2007
†Platystrophia ponderosa Foerste 1909
†Platystrophia profundosulcata Meek 1873
†Platystrophia putilovensis Zuykov 1999
†Platystrophia quadriplicata Alikhova 1951
†Platystrophia saxbyensis Oraspold 1959
†Platystrophia scotica Williams 1962
†Platystrophia tenuicosta d'Eichwald 1840
†Platystrophia tenuicostata d'Eichwald 1840
†Platystrophia tramorensis Liljeroth et al. 2017
†Platystrophia trentonensis McEwan 1919
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. A. Zuykov and D. A. T. Harper 2007 | Platystrophiid with uniplicate or biplicate origination of costae in ventral sulcus; dorsal interior with well-developed notothyrial platform; brachiophores with massive basal parts; fulcral plates absent; anterior and posterior pairs of adductor scars closely spaced in the central part of the dorsal valve; median septum well developed, bisecting the adductor scars medially; adductor muscle impressions smooth. |