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Squalorajiformes
Taxonomy
Squalorajiformes was named by Patterson (1965).
It was reranked as the suborder Squalorajoidei by Delsate et al. (2002).
It was assigned to Chimaeriformes by Delsate et al. (2002); to Holocephalimorpha by Nelson (2006); and to Holocephalomorpha by Long (2011) and Nelson et al. (2016).
It was reranked as the suborder Squalorajoidei by Delsate et al. (2002).
It was assigned to Chimaeriformes by Delsate et al. (2002); to Holocephalimorpha by Nelson (2006); and to Holocephalomorpha by Long (2011) and Nelson et al. (2016).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Squalorajiformes Patterson |
| 2002 | Squalorajoidei Delsate et al. p. 25 |
| 2006 | Squalorajiformes Nelson p. 44 |
| 2011 | Squalorajiformes Long p. 242 |
| 2016 | Squalorajiformes Nelson et al. p. 51 |
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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.
Or. †Squalorajiformes Patterson 1965
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Fm. †Squalorajidae Woodward 1886
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G. †Squaloraja Riley 1833
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†Squaloraja polyspondyla Agassiz 1836
†Squaloraja tenuispina Woodward 1886
Invalid names: Spinacorhinus Agassiz 1836 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Wagner 2023 | |||||
Age range: Sinemurian or 199.30000 to 190.80000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Liasicus | Belgium (Luxembourg) | Squaloraja polyspondyla (40087) | |
| Hettangian - Early/Lower Sinemurian | United Kingdom | Squaloraja polyspondyla (139834) | |
| Sinemurian | United Kingdom (England) | Squaloraja polyspondyla (122153 122155) Squaloraja polyspondyla, Squaloraja tenuispina (122154) | |
| Bucklandi | Italy | Squaloraja polyspondyla (90673) |