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Maiasaura
Taxonomy
Maiasaura was named by Horner and Makela (1979).
It was assigned to Hadrosauridae by Horner and Makela (1979), Russell (1984) and Carroll (1988); to Maiasaurinae by Horner (1992); to Saurolophinae by Prieto-Márquez (2010), Prieto-Márquez (2010), Prieto-Marquez and Salinas (2010), Prieto-Márquez and Wagner (2010), Ramírez-Velasco et al. (2012), Prieto-Marquez (2013), Campione et al. (2013) and Bell (2014); to Brachylophosaurini by Gates et al. (2011), Lehman et al. (2016) and Cruzado-Caballero and Powell (2017); and to Hadrosaurinae by Weishampel and Weishampel (1983), Horner (1983), Weishampel and Horner (1990), Chapman and Brett-Surman (1990), Hunt and Lucas (1992), Forster and Sereno (1994), Forster (1997), Godefroit et al. (1998), Horner et al. (2004), Godefroit et al. (2004), Kirkland et al. (2006), Prieto-Márquez et al. (2006), Godefroit et al. (2008), Pereda-Suberbiola et al. (2009), Guenther (2009), Cruzado-Caballero et al. (2010), Bailleul et al. (2013), Tan et al. (2015) and Takasaki et al. (2019).
It was assigned to Hadrosauridae by Horner and Makela (1979), Russell (1984) and Carroll (1988); to Maiasaurinae by Horner (1992); to Saurolophinae by Prieto-Márquez (2010), Prieto-Márquez (2010), Prieto-Marquez and Salinas (2010), Prieto-Márquez and Wagner (2010), Ramírez-Velasco et al. (2012), Prieto-Marquez (2013), Campione et al. (2013) and Bell (2014); to Brachylophosaurini by Gates et al. (2011), Lehman et al. (2016) and Cruzado-Caballero and Powell (2017); and to Hadrosaurinae by Weishampel and Weishampel (1983), Horner (1983), Weishampel and Horner (1990), Chapman and Brett-Surman (1990), Hunt and Lucas (1992), Forster and Sereno (1994), Forster (1997), Godefroit et al. (1998), Horner et al. (2004), Godefroit et al. (2004), Kirkland et al. (2006), Prieto-Márquez et al. (2006), Godefroit et al. (2008), Pereda-Suberbiola et al. (2009), Guenther (2009), Cruzado-Caballero et al. (2010), Bailleul et al. (2013), Tan et al. (2015) and Takasaki et al. (2019).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Maiasaura Horner and Makela |
| 1983 | Maiasaura Horner |
| 1983 | Maiasaura Weishampel and Weishampel p. 44 |
| 1984 | Maiasaura Russell p. 25 |
| 1988 | Maiasaura Carroll |
| 1990 | Maiasaura Chapman and Brett-Surman p. 177 |
| 1990 | Maiasaura Weishampel and Horner p. 556 |
| 1992 | Maiasaura Horner p. 119 |
| 1992 | Maiasaura Hunt and Lucas p. 228 |
| 1994 | Maiasaura Forster and Sereno p. 25A |
| 1997 | Maiasaura Forster p. 298 |
| 1998 | Maiasaura Godefroit et al. p. 51 |
| 2004 | Maiasaura Godefroit et al. p. 148 fig. 6 |
| 2004 | Maiasaura Horner et al. p. 440 |
| 2006 | Maiasaura Kirkland et al. p. 311 fig. 13 |
| 2006 | Maiasaura Prieto-Márquez et al. p. 938 |
| 2008 | Maiasaura Godefroit et al. p. 67 fig. 18 |
| 2009 | Maiasaura Guenther p. 1428 |
| 2009 | Maiasaura Pereda-Suberbiola et al. p. 568 fig. 6 |
| 2010 | Maiasaura Cruzado-Caballero et al. p. 1510 fig. 4 |
| 2010 | Maiasaura Prieto-Marquez and Salinas p. 835 fig. 20 |
| 2010 | Maiasaura Prieto-Márquez p. 5 fig. 2 |
| 2010 | Maiasaura Prieto-Márquez and Wagner p. 1243 fig. 3 |
| 2011 | Maiasaura Gates et al. p. 798 |
| 2012 | Maiasaura Ramírez-Velasco et al. p. 392 |
| 2013 | Maiasaura Bailleul et al. p. 1 |
| 2013 | Maiasaura Campione et al. p. 66 |
| 2013 | Maiasaura Prieto-Marquez |
| 2014 | Maiasaura Bell p. 578 |
| 2015 | Maiasaura Tan et al. p. 259 |
| 2016 | Maiasaura Lehman et al. p. 346 |
| 2017 | Maiasaura Cruzado-Caballero and Powell p. 12 fig. 13 |
| 2019 | Maiasaura Takasaki et al. p. 5 |
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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. †Maiasaura Horner and Makela 1979
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†Maiasaura peeblesorum Horner and Makela 1979
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, subo = suborder, o = order | |||||
| References: Peczkis 1995, Marsh 1875, Benton 1983 | |||||
Age range: Campanian or 83.60000 to 72.10000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Santonian - Early/Lower Campanian | USA (Montana) | M. sp. (53057) | |
| Campanian | USA (Montana) | Maiasaura indet., M. peeblesorum (22653) M. peeblesorum (13282 22691 26775) M. sp. (61843) |