Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Squaloraja polyspondyla

Chondrichthyes - Squalorajiformes - Squalorajidae

Taxonomy
Spinacorhinus polyspondylus was named by Agassiz (1836).

It was recombined as Squaloraja polyspondyla by Agassiz (1843), Woodward (1891) and Duffin (1983).

Synonymy list
YearName and author
1836Spinacorhinus polyspondylus Agassiz figs. Pl 42; pl 43, figs 1-4
1843Squaloraja polyspondyla Agassiz p. 381
1891Squaloraja polyspondyla Woodward p. 41 figs. pl. III fig. 2
1983Squaloraja polyspondyla Duffin p. 26 figs. Pl 5, fig 2; text-fig 7

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
superorderHolocephalomorphaLund 1986
orderSqualorajiformesPatterson 1965
familySqualorajidaeWoodward 1886
genusSqualorajaRiley 1833
speciespolyspondyla()

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.

†Squaloraja polyspondyla Agassiz 1836
show all | hide all
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: 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
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 122154 122155)
Bucklandi196.5 - 189.6Italy Squaloraja polyspondyla (90673)