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Squalorajiformes

Chondrichthyes - 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).

Subtaxa

Synonymy list
YearName and author
1965Squalorajiformes Patterson
2002Squalorajoidei Delsate et al. p. 25
2006Squalorajiformes Nelson p. 44
2011Squalorajiformes Long p. 242
2016Squalorajiformes Nelson et al. p. 51

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
RankNameAuthor
superclassGnathostomata
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
superorderHolocephalomorphaLund 1986
orderSqualorajiformesPatterson 1965
orderSqualorajiformesPatterson 1965

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
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Created: 2009-07-21 06:36:22
Modified: 2009-07-21 08:36:22
Source: o = order, subp = subphylum
References: Hendy et al. 2009, Wagner 2023, Carroll 1988

Age range: Sinemurian or 199.30000 to 190.80000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Liasicus201.3 - 196.5Belgium (Luxembourg) Squaloraja polyspondyla (40087)
Hettangian - Early/Lower Sinemurian201.3 - 189.6United Kingdom Squaloraja polyspondyla (139834)
Sinemurian199.3 - 190.8United Kingdom (England) Squaloraja polyspondyla (122153 122155) Squaloraja polyspondyla, Squaloraja tenuispina (122154)
Bucklandi196.5 - 189.6Italy Squaloraja polyspondyla (90673)