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Saichania
Taxonomy
Saichania was named by Maryanska (1977). It was considered monophyletic by Vickaryous et al. (2004).
It was assigned to Shamosaurinae by Tumanova (1983); to Syrmosaurinae by Ford (2000); to Ankylosauridae by Maryanska (1977), Galton (1983), Kielan-Jaworowska (1984), Coombs (1986), Carroll (1988), Barsbold (1997), Kirkland (1998), Tumanova (2000), Carpenter (2001), Barrett (2001), Pereda Suberbiola and Galton (2001), Lü et al. (2007), Carpenter et al. (2008), Osi and Makádi (2009), Parsons and Parsons (2009), Longrich et al. (2010), Arbour et al. (2014) and Blows (2014); and to Ankylosaurinae by Sereno (1986), Tumanova (1987), Vickaryous et al. (2001), Vickaryous et al. (2004), Carpenter et al. (2011), Han et al. (2014), Arbour et al. (2014), Arbour and Currie (2016), Yang et al. (2017) and Penkalski and Tumanova (2017).
It was assigned to Shamosaurinae by Tumanova (1983); to Syrmosaurinae by Ford (2000); to Ankylosauridae by Maryanska (1977), Galton (1983), Kielan-Jaworowska (1984), Coombs (1986), Carroll (1988), Barsbold (1997), Kirkland (1998), Tumanova (2000), Carpenter (2001), Barrett (2001), Pereda Suberbiola and Galton (2001), Lü et al. (2007), Carpenter et al. (2008), Osi and Makádi (2009), Parsons and Parsons (2009), Longrich et al. (2010), Arbour et al. (2014) and Blows (2014); and to Ankylosaurinae by Sereno (1986), Tumanova (1987), Vickaryous et al. (2001), Vickaryous et al. (2004), Carpenter et al. (2011), Han et al. (2014), Arbour et al. (2014), Arbour and Currie (2016), Yang et al. (2017) and Penkalski and Tumanova (2017).
Synonyms
Synonymy list
Year | Name and author |
---|---|
1977 | Saichania Maryanska pp. 98, 103 |
1983 | Saichania Galton p. 6 |
1983 | Saichania Tumanova |
1984 | Saichania Kielan-Jaworowska p. 105 |
1986 | Saichania Coombs, Jr. p. 162 |
1986 | Saichania Sereno |
1987 | Saichania Tumanova p. 19 |
1988 | Saichania Carroll |
1997 | Saichania Barsbold p. 450 |
1998 | Shanxia Barrett et al. p. 376 |
1998 | Saichania Kirkland p. 273 fig. 3 |
1998 | Tianzhenosaurus Pang and Cheng pp. 326-327 figs. 1-4 |
2000 | Saichania Ford p. 176 |
2000 | Shanxia Ford p. 176 |
2000 | Tianzhenosaurus Ford p. 176 |
2000 | Saichania Tumanova p. 527 |
2000 | Shanxia Upchurch and Barrett pp. 216-217 |
2000 | Tianzhenosaurus Upchurch and Barrett pp. 216-217 |
2001 | Saichania Barrett p. 41 |
2001 | Saichania Carpenter p. 457 |
2001 | Saichania Pereda Suberbiola and Galton pp. 199-200 |
2001 | Saichania Vickaryous et al. p. 1774 |
2001 | Shanxia Vickaryous et al. p. 1774 |
2001 | Tianzhenosaurus Vickaryous et al. p. 1774 |
2004 | Saichania Vickaryous et al. p. 364 |
2004 | Tianzhenosaurus Vickaryous et al. p. 364 |
2007 | Saichania Lü et al. p. 889 fig. 1 |
2007 | Tianzhenosaurus Lü et al. p. 889 fig. 1 |
2007 | Tianzhenosaurus Lü et al. p. 349 |
2008 | Saichania Carpenter et al. p. 1099 |
2009 | Saichania Osi and Makádi p. 239 fig. 10 |
2009 | Saichania Parsons and Parsons p. 736 fig. 18 |
2009 | Tianzhenosaurus Parsons and Parsons p. 736 fig. 18 |
2010 | Saichania Longrich et al. p. 955 |
2011 | Saichania Carpenter et al. p. 33 |
2014 | Saichania Arbour et al. p. 11 fig. 6 |
2014 | Saichania Arbour et al. p. 638 |
2014 | Tianzhenosaurus Arbour et al. p. 648 |
2014 | Saichania Blows p. 60 |
2014 | Saichania Han et al. p. 14 fig. 11 |
2014 | Shanxia Han et al. p. 14 fig. 11 |
2014 | Tianzhenosaurus Han et al. p. 14 fig. 11 |
2016 | Saichania Arbour and Currie p. 412 |
2017 | Saichania Penkalski and Tumanova |
2017 | Saichania Yang et al. p. 786 fig. 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. †Saichania Maryanska 1977
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†Saichania chulsanensis Maryanska 1977
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Invalid names: Shanxia tianzhenensis Barrett et al. 1998 [synonym], Tianzhenosaurus youngi Pang and Cheng 1998 [synonym]
Invalid names: Shanxia Barrett et al. 1998 [synonym], Tianzhenosaurus Pang and Cheng 1998 [synonym]
Diagnosis
Reference | Diagnosis | |
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T. A. Tumanova 1987 | Large ankylosaurid with distinctly isolated osteodermal plates on skull roof, spine-shaped postorbital osteoderms; nostrils large, terminally located, separated by horizontal partitions dorsally in the true respiratory canal from ventromedial canal leading into the
premaxillary sinus; premaxillary beak is oval shaped, width equal to space between last maxillary teeth; palate with well developed anterior and posterior maxillary shelves; medial section of anterior wall of the pterygoids inclined forwards; plane of occiput perpendicular to plane of skull roof; paroccipital processes low, upper part perpendicular to skull roof, lower part inclined forwards; occipital condyle wide oval, slightly convex; articular surface inclined vertically; quadrate and paroccipital process fused; maxillary condyle of quadrate at level of central part of orbits; ossification of anterior and posterior walls of orbits; basioccipital has no sharply defined relief; fenestra ovalis fused with jugular foramen. |