Classification of the clade Ceratopsia

Ceratopsia Marsh 1890
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G. †Albalophosaurus Ohashi and Barrett 2009
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Albalophosaurus yamaguchiorum Ohashi and Barrett 2009
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]
G. †Hualianceratops Han et al. 2015
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Hualianceratops wucaiwanensis Han et al. 2015
G. †Xuanhuaceratops Zhao et al. 2006
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Xuanhuaceratops niei Zhao et al. 2006
G. †Yinlong Xu et al. 2006
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Yinlong downsi Xu et al. 2006
Invalid names: Xuanhuasaurus niei Zhao 1985 [nomen dubium]
Infraor. †Neoceratopsia Sereno 1986
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G. †Aquilops Farke et al. 2014
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Aquilops americanus Farke et al. 2014
G. †Archaeoceratops Dong and Azuma 1997
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Archaeoceratops oshimai Dong and Azuma 1997
Archaeoceratops yujingziensis You et al. 2010
G. †Auroraceratops You et al. 2005
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Auroraceratops rugosus You et al. 2005
Coronosauria Sereno 1986
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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: Protoceratops kozlowskii Maryanska and Osmólska 1975 [synonym]
Invalid names: Breviceratops Kurzanov 1990 [synonym]
Fm. †Bagaceratopsidae Alifanov 2003
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G. †Gobiceratops Alifanov 2008 [Gobi horn face]
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Gobiceratops minutus Alifanov 2008
G. †Lamaceratops Alifanov 2003
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Lamaceratops tereschenkoi Alifanov 2003
G. †Platyceratops Alifanov 2003
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Platyceratops tatarinovi Alifanov 2003
Fm. †Ceratopsidae Marsh 1888 [ceratopsid]
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Subfm. †Centrosaurinae Lambe 1915
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G. †Achelousaurus Sampson 1994
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Achelousaurus horneri Sampson 1994
G. †Albertaceratops Ryan 2007
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G. †Avaceratops Dodson 1986
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Avaceratops lammersi Dodson 1986
G. †Brachyceratops Gilmore 1914
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Invalid names: Brachyceratops montanensis Gilmore 1914 [nomen dubium]
G. †Centrosaurus Lambe 1905
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Centrosaurus apertus Lambe 1905
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Invalid names: Centrosaurus longirostris Sternberg 1940 [synonym], Monoclonius cutleri Brown 1917 [synonym], Monoclonius dawsoni Lambe 1902 [synonym], Monoclonius flexus Brown 1914 [synonym]
G. †Coronosaurus Ryan et al. 2012
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Coronosaurus brinkmani Ryan and Russell 2005
G. †Diabloceratops Kirkland and Deblieux 2010
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Diabloceratops eatoni Kirkland and Deblieux 2010
G. †Einiosaurus Sampson 1994
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Invalid names: Styracosaurus makeli Czerkas and Czerkas 1990 [replaced]
G. †Machairoceratops Lund et al. 2016
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Machairoceratops cronusi Lund et al. 2016
G. †Monoclonius Cope 1876
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Monoclonius crassus Cope 1876
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Invalid names: Monoclonius lowei Sternberg 1940 [synonym]
Invalid names: Monoclonius fissus Cope 1889 [nomen dubium], Monoclonius recurvicornis Cope 1889 [nomen dubium], Monoclonius sphenocerus Cope 1889 [nomen dubium]
G. †Nasutoceratops Sampson et al. 2013
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Nasutoceratops titusi Sampson et al. 2013
Tr. †Nasutoceratopsini Ryan et al. 2017
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G. †Crittendenceratops Dalman et al. 2018
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Crittendenceratops krzyzanowskii Dalman et al. 2018
G. †Yehuecauhceratops Rivera-Sylva et al. 2017
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Yehuecauhceratops mudei Rivera-Sylva et al. 2017
Pachyrhinosaurini Fiorillo and Tykoski 2012
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Invalid names: Pachyrostra Fiorillo and Tykoski 2012 [empty]
G. †Pachyrhinosaurus Sternberg 1950
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Pachyrhinosaurus canadensis Sternberg 1950
Pachyrhinosaurus lakustai Currie et al. 2008
Pachyrhinosaurus perotorum Fiorillo and Tykoski 2012
G. †Rubeosaurus McDonald and Horner 2010
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Rubeosaurus ovatus Gilmore 1930
G. †Sinoceratops Xu et al. 2010
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Sinoceratops zhuchengensis Xu et al. 2010
G. †Spinops Farke et al. 2011
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Spinops sternbergorum Farke et al. 2011
G. †Styracosaurus Lambe 1913
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Invalid names: Monoclonius nasicornus Brown 1917 [synonym], Styracosaurus parksi Brown and Schlaikjer 1937 [synonym]
G. †Wendiceratops Evans and Ryan 2015
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Wendiceratops pinhornensis Evans and Ryan 2015
G. †Xenoceratops Ryan et al. 2012
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Xenoceratops foremostensis Ryan et al. 2012
G. †Ceratopsipes Lockley and Hunt 1995
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Ceratopsipes goldenensis Lockley and Hunt 1995
Subfm. †Chasmosaurinae Lambe 1915
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G. †Agujaceratops Lucas et al. 2006 [Aguja horned face]
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G. †Anchiceratops Brown 1914
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Anchiceratops ornatus Brown 1914
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Invalid names: Anchiceratops longirostris Sternberg 1926 [synonym]
G. †Arrhinoceratops Parks 1925
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G. †Bravoceratops Wick and Lehman 2013
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Bravoceratops polyphemus Wick and Lehman 2013
G. †Chasmosaurus Lambe 1914
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Chasmosaurus belli Lambe 1902
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Invalid names: Chasmosaurus brevirostris Lull 1933 [synonym], Chasmosaurus kaiseni Brown 1933 [synonym], Monoclonius canadensis Lambe 1902 [synonym]
Chasmosaurus russelli Sternberg 1940
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Invalid names: Mojoceratops perifania Longrich 2010 [synonym]
Invalid names: Eoceratops Lambe 1915 [synonym], Protorosaurus Lambe 1914 [synonym]
G. †Coahuilaceratops Loewen et al. 2010
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Coahuilaceratops magnacuerna Loewen et al. 2010
G. †Judiceratops Longrich 2013
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Judiceratops tigris Longrich 2013
G. †Kosmoceratops Sampson et al. 2010
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Kosmoceratops richardsoni Sampson et al. 2010
G. †Medusaceratops Ryan et al. 2010
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Medusaceratops lokii Ryan et al. 2010
G. †Mercuriceratops Ryan et al. 2014
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Mercuriceratops gemini Ryan et al. 2014
G. †Mojoceratops Longrich 2010
G. †Pentaceratops Osborn 1923
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Invalid names: Pentaceratops fenestratus Wiman 1930 [synonym]
Invalid names: Pentaceratops aquilonius Longrich 2014 [nomen dubium]
G. †Spiclypeus Mallon et al. 2016
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Spiclypeus shipporum Mallon et al. 2016
Triceratopsini Longrich 2011
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G. †Eotriceratops Wu et al. 2007
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Eotriceratops xerinsularis Wu et al. 2007
G. †Regaliceratops Brown and Henderson 2015
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Regaliceratops peterhewsi Brown and Henderson 2015
G. †Titanoceratops Longrich 2011
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Titanoceratops ouranos Longrich 2011
G. †Torosaurus Marsh 1891
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Torosaurus latus Marsh 1891
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Invalid names: Torosaurus gladius Marsh 1891 [objective synonym]
G. †Triceratops Marsh 1889
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Triceratops horridus Marsh 1889
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Invalid names: Nedoceratops hatcheri Lull 1905 [synonym], Triceratops albertensis Sternberg 1949 [synonym], Triceratops brevicornus Hatcher and Lull 1905 [synonym], Triceratops calicornis Marsh 1898 [synonym], Triceratops elatus Marsh 1891 [synonym], Triceratops eurycephalus Schlaikjer 1935 [synonym], Triceratops flabellatus Marsh 1889 [synonym], Triceratops obtusus Marsh 1898 [synonym], Triceratops serratus Marsh 1890 [synonym]
Triceratops prorsus Marsh 1890
Triceratops utahensis Gilmore 1946
Invalid names: Nedoceratops Ukrainsky 2007 [synonym], Ojoceratops Sullivan and Lucas 2010 [synonym], Sterrholophus Marsh 1891 [synonym], Tatankaceratops Ott and Larson 2010 [synonym], Triceratops sulcatus Marsh 1890 [nomen dubium]
G. †Utahceratops Sampson et al. 2010
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Utahceratops gettyi Sampson et al. 2010
G. †Vagaceratops Sampson 2010
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Vagaceratops irvinensis Holmes et al. 2001
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], Pachyrhinosaurinae Huene 1950 [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]
Superfm. †Ceratopsoidea Hay 1902
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G. †Ajkaceratops Osi et al. 2010
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Ajkaceratops kozmai Osi et al. 2010
G. †Turanoceratops Nessov et al. 1989
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Turanoceratops tardabilis Nessov et al. 1989
G. †Protoceratops Granger and Gregory 1923
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Protoceratops andrewsi Granger and Gregory 1923
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Invalid names: Bainoceratops efremovi Tereschenko and Alifanov 2003 [synonym]
Protoceratops hellenikorhinus Lambert et al. 2001
Invalid names: Bainoceratops Tereschenko and Alifanov 2003 [synonym]
G. †Zuniceratops Wolfe and Kirkland 1998
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Zuniceratops christopheri Wolfe and Kirkland 1998
G. †Graciliceratops Sereno 2000
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G. †Helioceratops Jin et al. 2009
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Helioceratops brachygnathus Jin et al. 2009
G. †Koreaceratops Lee et al. 2010
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Koreaceratops hwaseongensis Lee et al. 2010
Fm. †Leptoceratopsidae Nopcsa 1923 [leptoceratopsid]
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G. †Asiaceratops Nessov et al. 1989
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Asiaceratops salsopaludalis Nessov et al. 1989
G. †Cerasinops Chinnery and Horner 2007
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Cerasinops hodgskissi Chinnery and Horner 2007
G. †Gryphoceratops Ryan et al. 2012
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Gryphoceratops morrisoni Ryan et al. 2012
G. †Ischioceratops He et al. 2015
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Ischioceratops zhuchengensis He et al. 2015
G. †Leptoceratops Brown 1914
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Leptoceratops gracilis Brown 1914
G. †Montanoceratops Sternberg 1951
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Montanoceratops cerorhynchus Brown and Schlaikjer 1942
G. †Prenoceratops Chinnery 2004
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Prenoceratops pieganensis Chinnery 2004
G. †Udanoceratops Kurzanov 1992
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Udanoceratops tschizhovi Kurzanov 1992
G. †Unescoceratops Ryan et al. 2012
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Unescoceratops koppelhusae Ryan et al. 2012
G. †Zhuchengceratops Xu et al. 2010
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Zhuchengceratops inexpectus Xu et al. 2010
G. †Liaoceratops Xu et al. 2002
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Liaoceratops yanzigouensis Xu et al. 2002
G. †Mosaiceratops Zheng et al. 2015
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Mosaiceratops azumai Zheng et al. 2015
Fm. †Protoceratopsidae Granger and Gregory 1923
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G. †Magnirostris You and Dong 2003
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Magnirostris dodsoni You and Dong 2003
G. †Microceratus Mateus 2008 [small horned]
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Invalid names: Microceratops Bohlin 1953 [replaced]
Invalid names: Asiaceratopsinae Nessov et al. 1989 [empty]
G. †Yamaceratops Makovicky and Norell 2006
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Yamaceratops dorngobiensis Makovicky and Norell 2006
Invalid names: Archaeoceratopsidae Dong and Azuma 1997 [empty], Ceratopsomorpha Wolfe and Kirkland 1998 [empty], Protoceratopoidea Tereschenko 2007 [empty]
Fm. †Psittacosauridae Osborn 1923
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G. †Psittacosaurus Osborn 1923
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Psittacosaurus gobiensis Sereno et al. 2010
Psittacosaurus lujiatunensis Zhou et al. 2006
Psittacosaurus major Sereno et al. 2007
Psittacosaurus meileyingensis Sereno et al. 1988
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Invalid names: Protiguanodon mongoliense Osborn 1923 [synonym], Psittacosaurus guyangensis Cheng 1982 [synonym], Psittacosaurus osborni Young 1932 [synonym], Psittacosaurus protiguanodonensis Young 1958 [synonym], Psittacosaurus tingi Young 1932 [synonym]
Psittacosaurus neimongoliensis Russell and Zhao 1996
Psittacosaurus sibiricus Voronkevich and Averianov 2000
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Invalid names: Psittacosaurus youngi Chao 1962 [synonym]
Psittacosaurus xinjiangensis Sereno and Chao 1988
Invalid names: Hongshanosaurus You et al. 2003 [synonym], Protiguanodon Osborn 1923 [synonym], Psittacosaurus houi You et al. 2003 [nomen dubium], Psittacosaurus mazongshanensis Xu 1997 [nomen dubium], Psittacosaurus ordosensis Russell and Zhao 1996 [nomen dubium]
G. †Xuanhuasaurus Zhao 1985
Invalid names: Protiguanodontinae Osborn 1923 [empty], Stenopelyxidae Nopcsa 1927 [synonym]
G. †Serendipaceratops Rich and Vickers-Rich 2003
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Serendipaceratops arthurcclarkei Rich and Vickers-Rich 2003
G. †Stenopelix Meyer 1857
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Stenopelix valdensis Meyer 1857
Invalid names: Chaoyangosauridae Dong 1992 [empty], Dysganus Cope 1876 [nomen dubium], Eoceratopsinae Lambe 1915 [empty], Kulceratops Nessov 1995 [nomen dubium], Kulceratops kulensis Nessov 1995 [nomen dubium], Pachyrhinosauridae Sternberg 1950 [empty], Ponderopoda Huene 1948 [synonym], Psittacosauroidea Zhao 1983 [empty], Psittacosaurus sattayaraki Buffetaut and Ingavat 1992 [nomen dubium]