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Gravitholus albertae

Reptilia - Pachycephalosauridae

Taxonomy
Gravitholus albertae was named by Wall and Galton (1979). Its type specimen is RTMP 72.27.1, a skull, and it is not a trace fossil. Its type locality is Jenner Ferry, which is in a Campanian terrestrial horizon in the Oldman Formation of Canada.

It was considered a nomen dubium by Sullivan (2003) and Williamson and Carr (2003); it was considered a nomen dubium by Sullivan (2006).

Synonymy list
YearName and author
1979Gravitholus albertae Wall and Galton p. 1181
1980Gravitholus albertae Currie pp. 29-30
1987Gravitholus albertae Sues and Galton p. 28
1990Gravitholus albertae Maryanska p. 566
2004Gravitholus albertae Maryanska et al. p. 465
2005Gravitholus albertae Currie p. 5
2010Gravitholus albertae Lehman p. 788
2010Gravitholus albertae Longrich et al.

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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
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
RankNameAuthor
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Neornithischia()
Clypeodonta
Cerapoda
Marginocephalia
Pachycephalosauria()
familyPachycephalosauridae
genusGravitholus
speciesalbertae

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