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Pyramus
Taxonomy
Pyramus was named by Dana (1847) [Sepkoski's age data: C Serp P Dora Sepkoski's reference number: 157,1066]. Its type is Pyramus myiformis.
It was assigned to Pholadomyoida by Sepkoski (2002); and to Megadesmidae by Morris et al. (1991) and Salvador and Simone (2010).
It was assigned to Pholadomyoida by Sepkoski (2002); and to Megadesmidae by Morris et al. (1991) and Salvador and Simone (2010).
Species
P. aenigmaeformis, P. concentricus (syn. Edmondia obovata), P. igori, P. laevis (syn. Megadesmus cuneatus, Megadesmus antiquatus, P. ellipticus), P. myiformis (syn. Notomya ovalis, Notomya clavata, Maeonia axinia, Notomya securiformis) (type species), P. myriformis, P. nelliae, P. permianus, P. planus, P. primigenius, P. silicius, P. simmetricus
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Pyramus Dana p. 156 |
| 1991 | Pyramus Morris et al. p. 93 |
| 2002 | Pyramus Sepkoski |
| 2010 | Pyramus Salvador and Simone p. 21 |
| 2012 | Pyramus aenigmaeformis Biakov |
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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. †Pyramus Dana 1847
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†Pyramus igori Biakov 2005
†Pyramus laevis Sowerby 1838
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Invalid names: Megadesmus antiquatus Sowerby 1838 [synonym], Megadesmus cuneatus Sowerby 1838 [synonym], Pyramus ellipticus Dana 1847 [synonym]
†Pyramus myiformis Dana 1847
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Invalid names: Maeonia axinia Dana 1849 [synonym], Notomya clavata M'Coy 1847 [synonym], Notomya ovalis M'Coy 1847 [synonym], Notomya securiformis M'Coy 1847 [synonym]
†Pyramus myriformis Danna 1847
†Pyramus nelliae Biakov 2005
†Pyramus permianus Lutkevitch and Lobanova 1960
†Pyramus planus Nakazawa and Newell 1968
†Pyramus primigenius Gonzalez 1972
†Pyramus silicius Waterhouse 1978
†Pyramus simmetricus Lutkevitch and Lobanova 1960
Invalid names: Pyramus aenigmaeformis Biakov 2012 [nomen nudum]
Diagnosis
No diagnoses are available