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Maiasaura

Reptilia - Hadrosauridae

Synonymy list
YearName and author
1979Maiasaura Horner and Makela
1983Maiasaura Horner
1983Maiasaura Weishampel and Weishampel p. 44
1984Maiasaura Russell p. 25
1988Maiasaura Carroll
1990Maiasaura Chapman and Brett-Surman p. 177
1990Maiasaura Weishampel and Horner p. 556
1992Maiasaura Horner p. 119
1992Maiasaura Hunt and Lucas p. 228
1994Maiasaura Forster and Sereno p. 25A
1997Maiasaura Forster p. 298
1998Maiasaura Godefroit et al. p. 51
2004Maiasaura Godefroit et al. p. 148 fig. 6
2004Maiasaura Horner et al. p. 440
2006Maiasaura Kirkland et al. p. 311 fig. 13
2006Maiasaura Prieto-Márques et al. p. 938
2008Maiasaura Godefroit et al. p. 67 fig. 18
2009Maiasaura Guenther p. 1428
2009Maiasaura Pereda-Suberbiola et al. p. 568 fig. 6
2010Maiasaura Cruzado-Caballero et al. p. 1510 fig. 4
2010Maiasaura Prieto-Marquez and Salinas p. 835 fig. 20
2010Maiasaura Prieto-Márquez p. 5 fig. 2
2010Maiasaura Prieto-Márquez and Wagner p. 1243 fig. 3
2011Maiasaura Gates et al. p. 798
2012Maiasaura Ramírez-Velasco et al. p. 392
2013Maiasaura Bailleul et al. p. 1
2013Maiasaura Campione et al. p. 66
2013Maiasaura Prieto-Marquez
2014Maiasaura Bell p. 578
2015Maiasaura Tan et al. p. 259
2016Maiasaura Lehman et al. p. 346
2017Maiasaura Cruzado-Caballero and Powell p. 12 fig. 13

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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()
Eosuchia()
Neodiapsida
RankNameAuthor
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Neornithischia()
Ornithopoda()
Iguanodontia()
Dryomorpha
Ankylopollexia
Styracosterna
Hadrosauriformes
Hadrosauroidea()
familyHadrosauridae
subfamilyHadrosaurinaeLambe 1918
Brachylophosaurini
genusMaiasaura

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
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yesg
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Maximum body mass: 10000 kgg
Minimum body mass: 3000 kgg
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: gregariouso
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: herbivoresubo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2005-08-25 05:55:25
Modified: 2005-08-25 07:55:25
Source: g = genus, subo = suborder, o = order
References: Kiessling 2004, Benton 1983, Peczkis 1995, Marsh 1875

Age range: base of the Santonian to the top of the Campanian or 86.30000 to 72.10000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Santonian86.3 - 83.6USA (Montana) M. sp. (53057)
Campanian83.6 - 72.1USA (Montana) Maiasaura indet., M. peeblesorum (22653) M. peeblesorum (13282 22691 61843)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (Montana) M. peeblesorum (26775)