PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Microceratus (small horned)

Reptilia

Taxonomy

Microceratus was named by Mateus (2008).

It was assigned to Ceratopsia by Mateus (2008).

Species

Microceratops gobiensis, Microceratops sulcidens

Synonyms

Microceratops was named by Bohlin (1953).

It was considered a nomen dubium by Sereno (2000) and Lambert et al. (2001); it was considered a nomen dubium by You and Dodson (2004) and Makovicky and Norell (2006); it was replaced with Microceratus by Mateus (2008).

It was assigned to Ponderopoda by Huene (1958); to Ceratopsidae by Romer (1966); to Coronosauria by Sereno (1986); to Protoceratopsidae by Bohlin (1953), Romer (1956), Huene (1959), Tatarinov (1964), Kuhn (1964), Charig (1967), Swinton (1970), Maryanska and Osmólska (1975), Rozhdestvensky (1977), Bonaparte (1978), Maryanska and Osmólska (1985), Ostrom and Wellnhofer (1986), Carroll (1988), Dodson and Currie (1990), Kurzanov (1992), Dong (1992) and Dong (1997); to Neoceratopsia by Chinnery and Weishampel (1996), Chinnery and Weishampel (1998) and Makovicky (2001); and to Protoceratopidae by Olshevsky and Ford (1994) and Tereshchenko and Alifanov (2003).
Microceratops gobiensis was named by Bohlin (1953). Its type specimen is T. sh. V, a partial skeleton, and it is a 3D body fossil. Its type locality is Tsondolein-Khuduk 2 (SSE), which is in a Campanian/Maastrichtian terrestrial conglomerate in the Ulansuhai Formation of China.

It was recombined as Microceratus gobiensis by Mateus (2008); it was considered a nomen dubium by Sereno (2000) and Lambert et al. (2001); it was considered a nomen dubium by You and Dodson (2004).
Microceratops sulcidens was named by Bohlin (1953). It is not a trace fossil. Its type locality is Chia-yü-kuan (SSE), which is in a Campanian/Maastrichtian lacustrine claystone in the Minhe Formation of China.

It was synonymized subjectively with Microceratops gobiensis by Dodson and Currie (1990); it was considered a nomen dubium by Sereno (2000), Lambert et al. (2001) and You and Dodson (2004).

Synonymy list

Year	Name and author
1953	Microceratops Bohlin p. 34 figs. 13-19; Pl. 2, 4-12
1953	Microceratops gobiensis Bohlin p. 34 figs. 13-19; Pl. 2, 4-12
1953	Microceratops sulcidens Bohlin p. 59
1956	Microceratops Romer p. 638
1958	Microceratops Huene p. 206
1958	Microceratops gobiensis Young p. 231
1959	Microceratops Huene p. 122
1964	Microceratops Kuhn p. 53
1964	Microceratops gobiensis Kuhn p. 53
1964	Microceratops sulcidens Kuhn p. 53
1964	Microceratops Tatarinov p. 581
1966	Microceratops Romer p. 371
1967	Microceratops Charig p. 717
1970	Microceratops Swinton p. 258
1975	Microceratops Maryanska and Osmólska p. 137
1975	Microceratops gobiensis Maryanska and Osmólska p. 137
1975	Microceratops sulcidens Maryanska and Osmólska p. 143
1977	Microceratops Rozhdestvensky p. 114
1977	Microceratops gobiensis Rozhdestvensky p. 114
1978	Microceratops Bonaparte p. 466
1980	Mioroceratops gobiensis Chao
1984	Microceratops gobiensis Cheng p. 213
1985	Microceratops Maryanska and Osmólska p. 147
1986	Microceratops gobiensis Li et al. p. 134
1986	Microceratops Ostrom and Wellnhofer p. 116
1986	Microceratops Sereno
1988	Microceratops Carroll
1990	Microceratops Dodson and Currie p. 611
1990	Microceratops gobiensis Dodson and Currie p. 611
1992	Microceratops Dong p. 166
1992	Microceratops gobiensis Dong p. 166
1992	Microceratops sulcidens Dong p. 166
1992	Microceratops Kurzanov p. 105
1994	Microceratops gobiensis Dong and Currie p. 2249
1994	Microceratops gobiensis Matsukawa and Obata p. 119
1994	Microceratops Olshevsky and Ford
1996	Microceratops Chinnery and Weishampel p. 27A
1997	Microceratops gobiensis Barsbold p. 449
1997	Microceratops Dong p. 122
1997	Microceratops gobiensis Mateer p. 662
1997	Microceratops sulcidens Mateer p. 662
1997	Microceratops gobiensis Osmólska p. 575
1998	Microceratops Chinnery and Weishampel p. 578 fig. 10
2001	Microceratops Makovicky p. 251 fig. 18.3
2001	Microceratops gobiensis Makovicky p. 254
2003	Microceratops Tereshchenko and Alifanov p. 301
2003	Microceratops gobiensis Tereshchenko and Alifanov p. 301
2008	Microceratus Mateus p. 423
2008	Microceratus gobiensis Mateus p. 423
2017	Microceratops gobiensis Chen p. 154

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia

Rank	Name	Author
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Ornithischia	()
—	Genasauria
—	Cerapoda
—	Marginocephalia
—	Ceratopsia	()
genus	Microceratus

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. †Microceratus Mateus 2008 [small horned]

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Invalid names: Microceratops Bohlin 1953 [replaced]

Diagnosis

No diagnoses are available