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Maiasaura peeblesorum

Reptilia - Hadrosauridae

Taxonomy
Maiasaura peeblesorum was named by Horner and Makela (1979). Its type specimen is PU 22405, a skull, and it is a 3D body fossil. Its type locality is Willow Creek Anticline (WCA), which is in a Campanian floodplain mudstone in the Two Medicine Formation of Montana.

It was considered a nomen dubium by Dalla Vecchia (2014).

Synonymy list
YearName and author
1979Maiasaura peeblesorum Horner and Makela p. 298 fig. 2
1981Maiasaura peeblesorum Borgomanero and Leonardi p. 216
1981Maiasaura peeblesorum Olshevsky p. 41
1983Maiasaura peeblesorum Weishampel and Weishampel p. 44
1984Maiasaura peeblesorum Horner p. 301
1988Maiasaura peeblesorum Horner p. 317
1989Maiasaura peeblesorum Hirsch p. 94
1990Maiasaura peeblesorum Weishampel and Horner p. 556
1991Maiasaura peeblesorum Mikhailov p. 232
1991Maiasaura peeblesorum Scheetz p. 27
1992Maiasaura peeblesorum Horner p. 15
1993Maiasaura peeblesorum Fukuda and Obata p. 99
1993Maiasaura peeblesorum Nadon p. 40
1994Maiasaura peeblesorum Moratalla and Powell p. 42
1994Maiasaura peeblesorum Paul p. 280
1998Maiasaura peeblesorum Godefroit et al. p. 50
2000Maiasaura peeblesorum Burnham et al. p. 8
2001Maiasaura peeblesorum Horner et al. p. 8
2001Maiasaura peeblesorum Trexler p. 303
2004Maiasaura peeblesorum Horner et al. p. 440
2006Maiasaura peeblesorum Kirkland et al. p. 311 fig. 13
2006Maiasaura peeblesorum Lund and Gates p. 273
2006Maiasaura peeblesorum Prieto-Márquez et al. p. 937
2009Maiasaura peeblesorum Dalla Vecchia p. 5
2009Maiasaura peeblesorum Guenther p. 1428
2009Maiasaura peeblesorum Horner et al. p. 743
2010Maiasaura peeblesorum Godefroit and Motchurova-Dekova p. 165
2010Maiasaura peeblesorum Prieto-Marquez p. 845
2010Maiasaura peeblesorum Prieto-Marquez and Salinas p. 828
2010Maiasaura peeblesorum Prieto-Márquez p. 3
2010Maiasaura peeblesorum Prieto-Márquez and Norell p. 6
2010Maiasaura peeblesorum Prieto-Márquez and Wagner p. 1243 fig. 3
2011Maiasaura peeblesorum Martin and Varricchio p. 15
2011Maiasaura peeblesorum Prieto-Márquez p. 62
2012Maiasaura peeblesorum Godefroit et al. p. 3
2012Maiasaura peeblesorum Prieto-Márquez p. 518
2012Maiasaura peeblesorum Ramírez-Velasco et al. p. 392
2013Maiasaura peeblesorum Bailleul et al. p. 1
2013Maiasaura peeblesorum Campione et al. p. 66
2013Maiasaura peeblesorum Prieto-Marquez
2014Maiasaura peeblesorum Bell p. 578
2014Maiasaura peeblesorum Bell et al. p. 177
2014Maiasaura peeblesorum Gates et al. p. 156
2014Maiasaura peeblesorum Moreno-Azanza et al. p. 84
2014Maiasaura peeblesorum Prieto-Márquez p. 298
2014Maiasaura peeblesorum Tsogtbaatar et al. p. 116
2014Maiasaura peeblesorum Xing et al. p. 1817
2015Maiasaura peeblesorum Evans et al. p. 643
2015Maiasaura peeblesorum Tan et al. p. 248
2016Maiasaura peeblesorum Lee p. 2
2016Maiasaura peeblesorum Lehman et al. p. 346
2016Maiasaura peeblesorum Prieto-Márquez et al. p. 10
2016Maiasaura peeblesorum Prieto-Márquez and Gutarra p. 145
2017Maiasaura peeblesorum Bertozzo et al. p. 20
2017Maiasaura peeblesorum Cruzado-Caballero and Powell p. 11
2017Maiasaura peeblesorum Ullmann et al. p. 782
2018Maiasaura peeblesorum Fondevilla et al. p. 8
2019Maiasaura peeblesorum Andrzejewski et al. p. 36
2019Maiasaura peeblesorum Drysdale et al. p. 18
2019Maiasaura peeblesorum Farke and Yip p. 59
2019Maiasaura peeblesorum Takasaki et al. p. 5
2020Maiasaura peeblesorum Dalla Vecchia p. 619
2021Maiasaura peeblesorum Holland et al. p. 15
2021Maiasaura peeblesorum Kobayashi et al. p. 7
2021Maiasaura peeblesorum McDonald et al. p. 2
2022Maiasaura peeblesorum Son et al. p. 19

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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
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
RankNameAuthor
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
—Iguanodontia()
—Dryomorpha
—Styracosterna
—Hadrosauriformes
—Hadrosauroidea()
familyHadrosauridae
subfamilyHadrosaurinaeLambe 1918
—Brachylophosaurini
genusMaiasaura
speciespeeblesorum

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.

†Maiasaura peeblesorum Horner and Makela 1979
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Diagnosis
No diagnoses are available