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Kourisodon puntledgensis

Reptilia - Squamata - Mosasauridae

Taxonomy
Kourisodon puntledgensis was named by Nicholls and Meckert (2002). Its type specimen is CDM 022, a partial skeleton (Incomplete skull and mandible, vertebral column and ribs, right humerus, left pectoral girdle, and front limb), and it is a 3D body fossil. Its type locality is Puntledge River Kourisodon Type Locality, which is in a Santonian marine siliciclastic in the Pender Formation of Canada. It is the type species of Kourisodon.

Synonymy list
YearName and author
2002Kourisodon puntledgensis Nicholls and Meckert

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
RankNameAuthor
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Lepidosauromorpha(Benton 1983)
superorderLepidosauria()
orderSquamata
Episquamata
ToxicoferaVidal and Hedges 2005
superfamilyMosasauria(Marsh 1880)
familyMosasauridae
genusKourisodon
speciespuntledgensis

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
ReferenceDiagnosis
E. L. Nicholls and D. Meckert 2002Small mosasaur, diagnosed by the following combination of characters: prominent supraorbital process, extensive edentulous prow on dentary, 14–16 teeth on the maxilla, teeth laterally compressed shearing blades, humerus with well-developed ectepicondyle and entepicondyle, radius distally expanded, metacarpal I expanded proximally. Differs from
other members of the Mosasaurinae in the short maxillary– premaxillary suture and the slender shape of the surangular. Differs from Leiodon in its small adult size, the presence of an edentulous prow on the dentary, and a short maxillary– premaxillary suture.