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Breviceratops kozlowskii
Taxonomy
Protoceratops kozlowskii was named by Maryanska and Osmólska (1975). Its type specimen is ZPAL MgD-I/117, a skull, and it is a 3D body fossil. Its type locality is Khulsan, site 5 [PMPE], which is in a Campanian/Campanian terrestrial sandstone in the Baruungoyot Formation of Mongolia. It is the type species of Breviceratops.
It was synonymized subjectively with Bagaceratops rozhdestvenskyi by Sereno (2000), Lambert et al. (2001) and You and Dodson (2004); it was misspelled as Breviceratops kozlowski by Osmólska (1997); it was recombined as Breviceratops kozlowskii by Kurzanov (1990), Dong and Currie (1994), Barsbold (1997), Osmólska (1997), Tereshchenko and Alifanov (2003), Alifanov (2008), Xu et al. (2010), Czepiński (2019) and Czepiński (2020).
It was synonymized subjectively with Bagaceratops rozhdestvenskyi by Sereno (2000), Lambert et al. (2001) and You and Dodson (2004); it was misspelled as Breviceratops kozlowski by Osmólska (1997); it was recombined as Breviceratops kozlowskii by Kurzanov (1990), Dong and Currie (1994), Barsbold (1997), Osmólska (1997), Tereshchenko and Alifanov (2003), Alifanov (2008), Xu et al. (2010), Czepiński (2019) and Czepiński (2020).
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Protoceratops kozlowskii Maryanska and Osmólska p. 143 |
| 1977 | Protoceratops kozlowskii Gradzinski et al. p. 302 |
| 1990 | Protoceratops kozlowskii Dodson and Currie p. 611 |
| 1990 | Breviceratops kozlowskii Kurzanov p. 86 |
| 1994 | Breviceratops kozlowskii Dong and Currie p. 2249 |
| 1997 | Breviceratops kozlowskii Barsbold p. 449 |
| 1997 | Breviceratops kozlowskii Osmólska p. 41 |
| 1997 | Breviceratops kozlowski Osmólska p. 575 |
| 2003 | Breviceratops kozlowskii Tereshchenko and Alifanov p. 301 |
| 2008 | Breviceratops kozlowskii Alifanov p. 621 |
| 2010 | Breviceratops kozlowskii Xu et al. p. 13 |
| 2019 | Breviceratops kozlowskii Czepiński p. 15 |
| 2020 | Breviceratops kozlowskii Czepiński p. 490 |
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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.
†Breviceratops kozlowskii Maryanska and Osmólska 1975
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Ł. Czepiński 2019 | Protoceratopsid dinosaur with the premaxillary dentition and narrow accessory antorbital fenestration. Among Protoceratopsidae it shares the plesiomorphic condition of the presence of the premaxillary teeth with P. andrewsi, lack of the V-shaped buccal crest of the dentary with Protoceratops spp., and the presence of the accessory antorbital fenestration with Bag. rozhdestvenskyi. Morphology of the nasals remains unknown. |