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Calvarius

Reptilia

Taxonomy
Calvarius was named by Prieto-Márquez and Sellés (2023). Its type is Calvarius rapidus.

It was assigned to Styracosterna by Prieto-Márquez and Sellés (2023).

Species
C. rapidus (type species)

Synonymy list
YearName and author
2023Calvarius Prieto-Márquez and Sellés

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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
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
RankNameAuthor
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
—Iguanodontia()
—Dryomorpha
—Styracosterna
genusCalvarius

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.

G. †Calvarius Prieto-Márquez and Sellés 2023
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†Calvarius rapidus Prieto-Márquez and Sellés 2023
Diagnosis
ReferenceDiagnosis
A. Prieto-Márquez and A. Sellés 2023Styracosternan iguanodontian ornithopod dinosaur having a metatarsal IV with the following autapomorphies: maximum length/mediolateral width at mid-length ratio greater than nine; segment distal to medial flange longer than combined length of medial flange and proximal extent of metatarsal; prominent medial flange that is dorsoplantarly compressed and with a prominent plantar component in its medioplantar projection; and relatively enlarged medially projected dorsomedial corner of distal surface.