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Dukecynus magnus

Osteichthyes - Sparassodonta

Discussion

Holotype: IGM 251149; heavily cracked and deformed partial skull, anterior fragment of the left horizontal ramus, almost complete right mandible with partial dentition badly preserved, isolated m2, m4, and M3, and associated cranial and postcranial fragments, most of them poorly preserved.

Etymology: Magnus, in reference to it being the largest known species of Prothylacyninae

Taxonomy
Dukecynus magnus was named by Goin (1997). Its type specimen is IGM 251149, a partial skull, and it is a 3D body fossil.

Synonymy list
YearName and author
1997Dukecynus magnus Goin

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
RankNameAuthor
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
subclassMetatheria()
Marsupialiformes
orderSparassodonta()
superfamilyBorhyaenoideaAmeghino 1894
Borhyaenidae()
subfamilyProthylacyninae(Ameghino 1894)
genusDukecynus
speciesmagnus

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.

Dukecynus magnus Goin 1997
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Diagnosis
ReferenceDiagnosis
F. J. Goin 1997Differs from all other prothylacynines in the following combination of characters: elongated and very narrow rostrum; mandibular symphysis fused but not completely coossified; lower molars lack entoconid, m1-3 with moderately reduced talonids; upper molars with reduced paracone, well developed metacrista, protocone apparently reduced and set anterolingually, and paracrista ending at the anterolabial edge of the tooth.