PBDB Taxon

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Isurus

Chondrichthyes - Lamniformes - Lamnidae

Taxonomy

Isurus was named by Rafinesque (1810) [Sepkoski's age data: T Than R Sepkoski's reference number: 884]. It is extant.

It was assigned to Lamninae by Hay (1902); to Isuridae by Weiler (1938), Rapp (1946), Miller (1967), Heinrich (1969), Deraniyagala (1969), Herman (1977), Case (1981), Kumar and Loyal (1987); to Lamniformes by Sepkoski (2002); and to Lamnidae by Chapman (1918), Jordan and Gilbert (1919), Jordan and Hanibal (1923), Chapman and Cudmore (1924), Jordan (1925), Jordan (1963), Applegate (1970), Thurmond and Jones (1981), Bendix-Almgreen (1983), Squires (1984), Kuga (1985), Cione and Reguero (1994), Martin (1996), Yabe and Hirayama (1998), Purdy et al. (2001), Antunes and Balbino (2003), Vicens and Rodríguez-Perea (2003), Compagno (2005), Kocsis (2007), Marsili et al. (2007), Carrillo-Briceño et al. (2016), Hastings and Dooley (2017), Kent (2018), Cantalice et al. (2019), Landini et al. (2019).

Species

I. desori, I. escheri, I. leptodon (syn. I. gracilis), I. moniwaensis, I. oxyrinchus (syn. Oxyrhina spallanzanii, Oxyrhina desorii, Oxyrhina grandis, Oxyrhina minutus), I. paucus, I. planus, I. praecursor, I. retroflexus (syn. Oxyrhina recta), I. sanctaeclarae, I. sillimanii, I. spallanzani

Species lacking formal opinion data

I. glaucus, I. praeccursor, I. precursor

Synonymy list

Year	Name and author
1810	Isurus Rafinesque
1902	Isurus Hay p. 305
1918	Isurus Chapman p. 16
1919	Isurus Jordan and Gilbert p. 21
1923	Isurus Jordan and Hanibal p. 50
1924	Isurus Chapman and Cudmore p. 129
1925	Isurus Jordan p. 8
1938	Isurus Weiler p. 7
1946	Isurus Rapp p. 510
1963	Isurus Jordan p. 599
1967	Isurus Miller p. 223
1969	Isurus Deraniyagala p. 5
1969	Isurus Heinrich p. 47
1970	Isurus Applegate p. 397
1977	Isurus Herman p. 167
1981	Isurus Case p. 56
1981	Isurus Thurmond and Jones p. 54
1983	Isurus Bendix-Almgreen p. 2
1984	Isurus Squires p. 57
1985	Isurus Kuga p. 6
1987	Isurus Kumar and Loyal p. 63
1994	Isurus Cione and Reguero p. 7
1996	Isurus Martin p. 51
1998	Isurus Yabe and Hirayama p. 43
2001	Isurus Purdy et al. p. 113
2002	Isurus Sepkoski
2003	Isurus Antunes and Balbino p. 143
2003	Isurus Vicens and Rodríguez-Perea p. 123
2005	Isurus Compagno
2007	Isurus Kocsis p. 33
2007	Isurus Marsili et al. p. 36
2016	Isurus Carrillo-Briceño et al. p. 84
2017	Isurus Hastings and Dooley p. 83
2018	Isurus Kent p. 68
2019	Isurus Cantalice et al. p. 431
2019	Isurus Landini et al. p. 359

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
class	Chondrichthyes

Rank	Name	Author
subclass	Elasmobranchii	Bonaparte 1838
infraclass	Euselachii	()
—	Neoselachii	Compagno 1977
superorder	Galeomorphii	Compagno 1973
order	Lamniformes	Berg 1958
family	Lamnidae	Müller and Henle 1838
genus	Isurus	Rafinesque 1810

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. Isurus Rafinesque 1810

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†Isurus desori Sismonda 1849

†Isurus escheri Agassiz 1843

†Isurus leptodon Agassiz 1843

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Invalid names: Isurus gracilis Le Hon 1871 [synonym]

†Isurus moniwaensis Hatai et al. 1974

†Isurus oxyrinchus Rafinesque 1810

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Invalid names: Oxyrhina desorii Agassiz 1843 [synonym], Oxyrhina spallanzanii Bonaparte 1841 [synonym]

Isurus paucus Guitart-Manday 1966

†Isurus planus Agassiz 1856

†Isurus praecursor Thurmond and Jones 1981

†Isurus retroflexus Agassiz 1838

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Invalid names: Oxyrhina recta Davis 1888 [synonym]

†Isurus sanctaeclarae Jordan and Hanibal 1923

†Isurus sillimanii Gibbes 1847

†Isurus spallanzani Rafinesque 1810

Diagnosis

No diagnoses are available