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Lamna (Sphenodus) longidens

Chondrichthyes - Synechodontiformes - Orthacodontidae

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

It was recombined as Orthacodus longidens by Woodward (1889); it was recombined as Sphenodus longidens by Duffin and Ward (1993), Rees (2000), Rees (2010) and Delsate and Felten (2015).

Synonymy list
YearName and author
1843Lamna (Sphenodus) longidens Agassiz p. 298 figs. Pl. 37, Figs. 24-29
1889Orthacodus longidens Woodward p. 349
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()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
RankNameAuthor
infraclassEuselachii()
NeoselachiiCompagno 1977
superorderSqualomorphii(Compagno 1973)
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.

Diagnosis
No diagnoses are available