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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); to Holocephalomorpha by Long (2011), Nelson et al. (2016); and to Cochliodontomorpha by van der Laan (2019).
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); to Holocephalomorpha by Long (2011), Nelson et al. (2016); and to Cochliodontomorpha by van der Laan (2019).
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 |
| 2019 | Squalorajiformes van der Laan p. 38 |
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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: Wagner 2023, Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Hettangian to the top of the Bucklandi or 201.40000 to 192.90000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Liasicus | Belgium | Squaloraja polyspondyla (40087) | |
| Hettangian - Early/Lower Sinemurian | United Kingdom | Squaloraja polyspondyla (139834) | |
| Bucklandi | Italy | Squaloraja polyspondyla (90673) | |
| Sinemurian | United Kingdom (England) | Squaloraja polyspondyla (122153 122155) Squaloraja polyspondyla, Squaloraja tenuispina (122154) |