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Neoceratopsia
Taxonomy
Neoceratopsia was named by Sereno (1986). It was considered monophyletic by Sereno (2000).
It was corrected as Neoceratopia by Olshevsky and Ford (1994).
It was assigned to Ceratopia by Olshevsky and Ford (1994); to Ceratopsia by Sereno (1986), Dodson and Currie (1990), Dodson (1990), Sereno (1997), Sereno (1998), Sereno (1999), Penkalski and Dodson (1999), Makovicky (2001), Peng et al. (2001), Lambert et al. (2001), You and Dodson (2004), Campione and Holmes (2006), Chinnery and Horner (2007) and Butler et al. (2007); and to Ceratopsia by Dodson (1997), Sereno (2000), Butler et al. (2008), Tanoue et al. (2009), Han et al. (2012), Zheng et al. (2015), Ryan et al. (2017), Dalman et al. (2018), Morschhauser et al. (2019), Arbour and Evans (2019) and Wilson et al. (2020).
It was corrected as Neoceratopia by Olshevsky and Ford (1994).
It was assigned to Ceratopia by Olshevsky and Ford (1994); to Ceratopsia by Sereno (1986), Dodson and Currie (1990), Dodson (1990), Sereno (1997), Sereno (1998), Sereno (1999), Penkalski and Dodson (1999), Makovicky (2001), Peng et al. (2001), Lambert et al. (2001), You and Dodson (2004), Campione and Holmes (2006), Chinnery and Horner (2007) and Butler et al. (2007); and to Ceratopsia by Dodson (1997), Sereno (2000), Butler et al. (2008), Tanoue et al. (2009), Han et al. (2012), Zheng et al. (2015), Ryan et al. (2017), Dalman et al. (2018), Morschhauser et al. (2019), Arbour and Evans (2019) and Wilson et al. (2020).
Synonymy list
Year | Name and author |
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1986 | Neoceratopsia Sereno |
1990 | Neoceratopsia Dodson p. 578 |
1990 | Neoceratopsia Dodson and Currie p. 611 |
1994 | Neoceratopia Olshevsky and Ford |
1997 | Neoceratopsia Dodson p. 473–474 |
1997 | Neoceratopsia Sereno p. 443 |
1998 | Neoceratopsia Sereno p. 62 |
1999 | Neoceratopsia Penkalski and Dodson |
1999 | Neoceratopsia Sereno p. 2138 fig. 2 |
2000 | Neoceratopsia Sereno p. 482 |
2001 | Neoceratopsia Lambert et al. p. 7 |
2001 | Neoceratopsia Makovicky p. 254 fig. 18.3 |
2001 | Neoceratopsia Peng et al. p. 35 |
2004 | Neoceratopsia You and Dodson p. 479 |
2006 | Neoceratopsia Campione and Holmes p. 1014 |
2007 | Neoceratopsia Butler et al. p. S19 fig. S2 |
2007 | Neoceratopsia Chinnery and Horner p. 638 fig. 6 |
2008 | Neoceratopsia Butler et al. p. 22 |
2009 | Neoceratopsia Tanoue et al. p. 426 |
2012 | Neoceratopsia Han et al. p. 1391 fig. 14 |
2015 | Neoceratopsia Zheng et al. p. 6 fig. 3 |
2017 | Neoceratopsia Ryan et al. |
2018 | Neoceratopsia Dalman et al. |
2019 | Neoceratopsia Arbour and Evans |
2019 | Neoceratopsia Morschhauser et al. p. 129 fig. 10 |
2020 | Neoceratopsia Wilson et al. |
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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.
Infraor. †Neoceratopsia Sereno 1986
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G. †Archaeoceratops Dong and Azuma 1997
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†Archaeoceratops oshimai Dong and Azuma 1997
†Archaeoceratops yujingziensis You et al. 2010
Fm. †Chaoyangsauridae Zhao 1983
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G. †Chaoyangsaurus Zhao et al. 1999
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†Chaoyangsaurus youngi Zhao et al. 1999
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Invalid names: Chaoyangosaurus liaosiensis Zhao and Cheng 1983 [replaced]
Invalid names: Chaoyangosaurus Zhao and Cheng 1983 [replaced]
Invalid names: Xuanhuasaurus niei Zhao 1985 [nomen dubium]
Unr. †Coronosauria Sereno 1986
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Superfm. †Ceratopsoidea Hay 1902
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Fm. †Ceratopsidae Marsh 1888 [ceratopsid]
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Subfm. †Centrosaurinae Lambe 1915
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G. †Albertaceratops Ryan 2007
Unr. †Centrosaurini Ryan et al. 2017
G. †Diabloceratops Kirkland and Deblieux 2010
G. †Machairoceratops Lund et al. 2016
G. †Menefeeceratops Dalman et al. 2021
G. †Monoclonius Cope 1876
Unr. †Nasutoceratopsini Ryan et al. 2017
Unr. †Pachyrhinosaurini Fiorillo and Tykoski 2012
G. †Sinoceratops Xu et al. 2010
G. †Stellasaurus Wilson et al. 2020
G. †Wendiceratops Evans and Ryan 2015
G. †Xenoceratops Ryan et al. 2012
Invalid names: Brachyceratops Gilmore 1914 [nomen dubium]
Subfm. †Chasmosaurinae Lambe 1915
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G. †Agujaceratops Lucas et al. 2006 [Aguja horned face]
G. †Anchiceratops Brown 1914
G. †Arrhinoceratops Parks 1925
G. †Bisticeratops Dalman et al. 2022
G. †Bravoceratops Wick and Lehman 2013
G. †Chasmosaurus Lambe 1914
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Invalid names: Eoceratops Lambe 1915 [synonym], Mojoceratops Longrich 2010 [synonym], Protorosaurus Lambe 1914 [synonym]
G. †Coahuilaceratops Loewen et al. 2010
G. †Judiceratops Longrich 2013
G. †Kosmoceratops Sampson et al. 2010
G. †Medusaceratops Ryan et al. 2010
G. †Navajoceratops Fowler and Freedman Fowler 2020
G. †Pentaceratops Osborn 1923
G. †Sierraceratops Dalman et al. 2022
G. †Spiclypeus Mallon et al. 2016
G. †Terminocavus Fowler and Freedman Fowler 2020
Unr. †Triceratopsini Longrich 2011
G. †Utahceratops Sampson et al. 2010
Invalid names: Ceratops Marsh 1888 [nomen dubium]
Invalid names: Agathaumas Cope 1872 [nomen dubium], Agathaumidae Cope 1889 [synonym], Bison alticornis Marsh 1887 [nomen dubium], Ceratopsinae Abel 1919 [empty], Monocloniinae Nopcsa 1923 [empty], Polyonax Cope 1874 [nomen dubium], Triceratops galeus Marsh 1889 [nomen dubium], Triceratops ingens Lull 1915 [nomen dubium], Triceratops maximus Brown 1933 [nomen dubium], Ugrosaurus CoBabe and Fastovsky 1987 [nomen dubium]
Fm. †Leptoceratopsidae Nopcsa 1923 [leptoceratopsid]
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Fm. †Protoceratopsidae Granger and Gregory 1923
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G. †Bagaceratops Maryanska and Osmólska 1975
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†Bagaceratops rozhdestvenskyi Maryanska and Osmólska 1975
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Invalid names: Gobiceratops minutus Alifanov 2008 [synonym], Lamaceratops tereschenkoi Alifanov 2003 [synonym], Magnirostris dodsoni You and Dong 2003 [synonym], Platyceratops tatarinovi Alifanov 2003 [synonym]
Invalid names: Gobiceratops Alifanov 2008 [synonym], Lamaceratops Alifanov 2003 [synonym], Magnirostris You and Dong 2003 [synonym], Platyceratops Alifanov 2003 [synonym]
G. †Protoceratops Granger and Gregory 1923
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†Protoceratops andrewsi Granger and Gregory 1923
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Invalid names: Bainoceratops efremovi Tereshchenko and Alifanov 2003 [synonym]
†Protoceratops hellenikorhinus Lambert et al. 2001
Invalid names: Bainoceratops Tereshchenko and Alifanov 2003 [synonym]
Invalid names: Asiaceratopsinae Nessov et al. 1989 [empty]
Invalid names: Bagaceratopsidae Alifanov 2003 [empty]
Invalid names: Archaeoceratopsidae Dong and Azuma 1997 [empty], Ceratopsomorpha Wolfe and Kirkland 1998 [empty], Protoceratopoidea Tereshchenko 2007 [empty]
Diagnosis
Reference | Diagnosis | |
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P. Dodson 1997 | Some of these include increase in the size of the head relative to the body, development of sharp points at the tips of the upper and lower beaks, increased prominence of the parietosquamosal frill, development of a forward slope at the back of the skull as the quadrate bone slants forward, fusion of the first four vertebrae of the back for support of the enlarged head, and gentle downward curvature of the ischium. |