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Champsosaurus lindoei

Reptilia

Taxonomy
Champsosaurus lindoei was named by Gao and Fox (1998). Its type specimen is UALVP 931, a skeleton (nearly complete skull with mandibles, most of the vertebral column, pectoral and pelvic girdles, and limbs), and it is a 3D body fossil. Its type locality is Dinosaur Provincial Park (Champsosaurus lindoei type locality), which is in a Campanian terrestrial horizon in the Oldman Formation of Canada.

Synonymy list
YearName and author
1998Champsosaurus lindoei Gao and Fox pp. 315-325 figs. 5-9
2023Champsosaurus lindoei Dudgeon et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
RankNameAuthor
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Eosuchia()
—Neodiapsida
—SauriaGauthier 1984
—Choristodera()
suborderNeochoristoderaEvans and Hecht 1993
genusChampsosaurus
specieslindoei

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.

†Champsosaurus lindoei Gao and Fox 1998
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Diagnosis
ReferenceDiagnosis
K. -Q. Gao and R. C. Fox 1998A small, gracile champsosaur differing from other species of the genus in having the combination of the following character states: snout significantly more slender in proportion to size, with anterior tip more greatly expanded; pterygoid flange weakly developed with reduced number of teeth; inferior temporal arch nearly straight, not swollen laterally; subtemporal fenestra rectangular.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: freshwaterg
Locomotion: actively mobilec
Life habit: aquaticg
Diet: piscivoreg
Created: 2005-09-14 13:39:08
Modified: 2005-09-14 15:39:08
Source: g = genus, c = class, subp = subphylum
References: Carroll 1988, Bryant 1989, Hendy et al. 2009

Age range: base of the Middle Campanian to the top of the Late/Upper Campanian or 83.50000 to 70.60000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Middle Campanian83.5 - 70.6Canada (Alberta) Champsosaurus lindoei (type locality: 117922 118188 118190) Champsosaurus sp. (118189)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (Montana) Champsosaurus lindoei (231393)