{{위키데이터 속성 추적}}
{{생물 분류
|이름=렙토케라톱스과
|색=동물
|화석_범위=[[백악기 후기]] {{화석 시기|83.5|66}}
|그림=Zhuchengoceratops skull and mandible.png
|그림_크기=300px
|그림_설명=주청고케라톱스의 두개골과 아래턱
|계=[[동물|동물계]]
|문=[[척삭동물|척삭동물문]]
|강=[[파충강]]
|아강=[[이궁아강]]
|하강=[[지배파충하강]]
|상목=[[공룡|공룡상목]]
|목=[[멸종|†]][[조반류|조반목]]
|미분류_아목=[[멸종|†]][[신조반류]]
|아목=[[멸종|†]][[각각아목]]
|하목=[[멸종|†]][[각룡하목]]
|과='''[[멸종|†]]렙토케라톱스과'''(Leptoceratopsidae)
|명명=Nopcsa, 1923
|하위_링크=속
}}

'''렙토케라톱스과'''는 [[아시아]]와 [[북아메리카]]에서 발견된 [[멸종]] 한 [[신각룡류]] [[공룡]]의 한 [[과 (생물학)|과]]이다. 이들은 [[프로토케라톱스과]] 및 [[케라톱스과]]와 같은 신각룡류와 가까운 관계이며 비슷하게 생겼지만, 더 원시적이고 전반적으로 더 작다. 렙토케라톱스과 공룡들은 [[아시아]]와 [[북아메리카]]의 [[백악기 후기]] ([[생통주절]] 후기에서 [[마스트리흐트절]] 후기) 에서만 발견된다.<ref name=twoLepto/> 렙토케라톱스과일 수 있는 공룡의 [[자뼈]]가 호주의 [[빅토리아 (호주)|빅토리아]]에서 발견되어 [[세렌디파케라톱스]]라고 명명되었다. 하지만 2010년의 연구에서 이 화석이 조반류의 어떤 과에도 확실히 속한다고 말할 수 없다는 결론이 내려져 [[의문명]]으로 취급된다.<ref name=agnolinetal2010>Agnolin, F.L., Ezcurra, M.D., Pais, D.F. and Salisbury, S.W. (2010). "A reappraisal of the Cretaceous non-avian dinosaur faunas from Australia and New Zealand: Evidence for their Gondwanan affinities." ''Journal of Systematic Palaeontology'', '''8'''(2): 257-300.</ref>

렙토케라톱스과는 시대적으로 [[그리포케라톱스]]가 발견된 [[생통주절]] 후기에서부터 [[백악기]]가 끝나는 시점인 [[마스트리흐트절]] 후기에 걸쳐 분포한다. 그리포케라톱스는 산톤절에서 최초로 발견된 분명한 렙토케라톱스과 공룡이다. 그리포케라톱스는 [[캐나다]] [[앨버타]]에서 발견된 왼쪽 [[하악골]](dentary) 일부로부터 기재되었다. 그리포케라톱스는 가장 오래된 렙토케라톱스과 공룡이며 북아메리카에서 발견된 각룡류 공룡들 중에서 성체를 기준으로 했을 때 아마도 가장 작은 공룡이었을 것이다.<ref name=twoLepto/>

== 계통발생 ==

렙토케라톱스과는 원래 프란츠 놉사 폰 펠소-질바스 (Franz Nopcsa von Felső-Szilvás) 가 렙토케라톱스아과 (subfamily Leptoceratopsinae)를 명명했고 모식종은 [[렙토케라톱스|렙토케라톱스 그라킬리스]](''Leptoceratops gracilis'')였다. 마코비키는 2001년에 이것을 렙토케라톱스 그라킬리스를 비롯하여 [[트리케라톱스|트리케라톱스 호리두스]]보다 렙토케라톱스에 가까운 모든 종을 포함하는 [[줄기군 기반 분류군]]으로 정의하였다.<ref name="makovicky2001">Makovicky, P.J. 2001. A ''Montanoceratops cerorhynchus'' (Dinosauria: Ceratopsia) braincase from the Horseshoe Canyon Formation of Alberta, In: Tanke, D.H. & Carpenter, K. (Eds.). ''Mesozoic Vertebrate Life''. Bloomington: Indiana University Press. Pp. 243-262.</ref> 아래의 분지도는 2012년에 마이클 J. 라이언, 데이비드 C. 에반스, 필립 J. 커리, 칼렙 M. 브라운, 그리고 돈 브링크만의 2012년 분석을 따른다.<ref name=twoLepto>{{저널 인용|이탤릭체=예|author=Michael J. Ryan, David C. Evans, Philip J. Currie, Caleb M. Brown and Don Brinkman |year=2012 |title=New leptoceratopsids from the Upper Cretaceous of Alberta, Canada |url=http://www.sciencedirect.com/science/article/pii/S0195667111001960 |journal=Cretaceous Research |volume=35 |issue= |pages=69–80 |doi=10.1016/j.cretres.2011.11.018 }}</ref>

{{분지군| style=font-size:85%;line-height:85%
|분류1=[[각룡류]]
|1={{분지군
   |1=[[인롱]]
   |2={{분지군
      |1={{분지군
         |1=[[차오양사우루스]]
         |2=[[수안후아케라톱스]] }}
      |2={{분지군
         |1=[[프시타코사우루스과]]
         |분류2=[[신각룡류]]
         |2={{분지군
            |1=[[리아오케라톱스]]
            |2={{분지군
               |1=[[야마케라톱스]]
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                     |1=[[코레아케라톱스]]
                     |분류2=[[코로노사우리아]]
                     |2={{분지군
                        |분류1=렙토케라톱스과
                        |1={{분지군
                           |1=[[아시아케라톱스]]
                           |2={{분지군
                              |1=[[케라시놉스]]
                              |2={{분지군
                                 |1=[[몬타노케라톱스]]
                                 |2={{분지군
                                    |1=[[프레노케라톱스]]
                                    |2={{분지군
                                       |1=[[렙토케라톱스]]
                                       |2=[[우다노케라톱스]]
                                       |3={{분지군
                                          |1=[[주청케라톱스]]
                                          |2={{분지군
                                             |1=[[그리포케라톱스]]
                                             |2=[[우네스코케라톱스]] }} }} }} }} }} }} }}
                        |2={{분지군
                           |1=[[그라킬리케라톱스]]
                           |2={{분지군
                              |분류1=[[프로토케라톱스과]]
                              |1={{분지군
                                 |1=[[바가케라톱스]]
                                 |2=[[프로토케라톱스]] }}
                              |2={{분지군
                                 |1=[[주니케라톱스]]
                                 |2=[[케라톱스과]] }} }} }} }} }} }} }} }} }} }} }} }}

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 align:left fontsize:M mark:(line,white) width:5 anchor:till align:left

 color:1900s bar:NAM1 at:1989 mark:(line,black) text:[[아시아케라톱스|Asiaceratops ]]
 color:1900s bar:NAM4 at:2007 mark:(line,black) text:[[케라시놉스|Cerasinops ]]
 color:1900s bar:NAM1 at:1951 mark:(line,black) text:[[몬타노케라톱스|Montanoceratops ]]
 color:1900s bar:NAM3 at:2004 mark:(line,black) text:[[프레노케라톱스|Prenoceratops]]
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 color:1800s bar:NAM2 at:1992 mark:(line,black) text:[[우다노케라톱스|Udanoceratops ]]
 color:1900s bar:NAM5 at:2010 mark:(line,black) text:[[주청케라톱스|Zhuchengceratops ]]
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</timeline>

== 각주 ==
{{각주}}
{{포털|공룡}}

{{분류군 식별자|from=Q123245}}
{{전거 통제}}

[[분류:아시아의 공룡]]
[[분류:북아메리카의 공룡]]
[[분류:각룡하목]]
[[분류:백악기의 공룡]]