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Lamna (Sphenodus) longidens

Chondrichthyes - Synechodontiformes - Orthacodontidae

Taxonomy
Lamna (Sphenodus) longidens was named by Agassiz (1843).

It was recombined as Lamna longidens by Agassiz (1843); it was recombined as Orthacodus longidens by Woodward (1889) and Itoigawa (1977); it was recombined as Sphenodus longidens by Hay (1902), Duffin and Ward (1993), Rees (2000), Rees (2010) and Delsate and Felten (2015).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1843Lamna longidens Agassiz figs. Pl 37, figs 24-29
1843Lamna (Sphenodus) longidens Agassiz p. 298 figs. Pl. 37, Figs. 24-29
1889Orthacodus longidens Woodward p. 349
1902Sphenodus longidens Hay p. 302
1977Orthacodus longidens Itoigawa p. 128
1993Sphenodus longidens Duffin and Ward p. 58
2000Sphenodus longidens Rees p. 415
2010Sphenodus longidens Rees p. 890 fig. 2
2015Sphenodus longidens Delsate and Felten p. 16 fig. 5F

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
RankNameAuthor
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
NeoselachiiCompagno 1977
orderSynechodontiformes
familyOrthacodontidaede Beaumont 1960
genusLamna
subgenusSphenodus
specieslongidens

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.

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Diagnosis
No diagnoses are available