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Centrosaurus rid travoyidnih ceratopsovih dinozavriv piznoyi krejdi Kanadi Yih ostanki buli znajdeni u yaka datuyetsya 76 5 75 5 miljonami rokiv tomu Centrosaurus Naukova nazva taksonaCentrosaurus Lourens Lambe 1904 Taksonomichnij rangrid Batkivskij taksond Vernakulyarna nazvaセントロサウルス Chas data pochatku1 sichnya Chas data zakinchennya1 sichnya Centrosaurus u VikishovishiVidkrittya ta nazvaVidnovlennya prizhittyevogo viglyadu Pershi ostanki Centrosaurus buli viyavleni ta nazvani paleontologom Lorensom Lambe v sharah uzdovzh richki Red Dir v Alberti Kanada Nazva Centrosaurus oznachaye zagostrena yashirka vid greckogo kentron kentron tochka abo kolyuchka ta sauros saῦros yashirka i vidnositsya do seriyi malenkih rogiv roztashovanih uzdovzh krayu yihnih oborok a ne do nosovih rogiv yaki buli nevidomi koli dinozavra bulo nazvano Rid ne slid plutati zi stegozavrom Kentrosaurus nazva yakogo pohodit vid togo samogo greckogo slova Piznishe v provincijnomu parku dinozavriv takozh v Alberti buli znajdeni velichezni kistkovi lozha Centrosaurus Deyaki z cih plastiv prostyagayutsya na sotni metriv i mistyat tisyachi osobin riznogo viku ta vsih rivniv rozvitku Vcheni pripustili sho visoka shilnist i kilkist osobin poyasnyuvalasya b yakbi voni zaginuli pid chas sprobi pereplisti povnovodnu richku Vidkrittya tisyach skam yanilostej Centrosaurus poblizu mista Alberta vvazhayetsya najbilshim plastom kistok dinozavriv koli nebud viyavlenim Cya teritoriya zaraz vidoma yak Bulo diskusij bagato shodo togo yaki rodi ta vidi centrozavriv ye dijsnimi vrahovuyuchi variaciyi mizh vidami ta navit okremimi zrazkami Tak spirnimi buli pitannya shodo togo chi Centrosaurus ta abo Monoclonius ye nediagnostovanimi chi mozhlivo predstavnikami protilezhnoyi stati Odnak u 1996 roci Piter Dodson znajshov dostatnyu kilkist variacij mizh Centrosaurus Styracosaurus i Monoclonius shob vipravdati okremi rodi i vstanoviv sho Styracosaurus bilshe shozhij na Centrosaurus nizh na Monoclonius Skelet Monoclonius nasicornus Dodson vvazhav sho odin z vidiv Monoclonius M nasicornus naspravdi mig buti samkoyu Styracosaurus Jogo ocinki chastkovo viznali inshi doslidniki ne viznali Monoclonius nasicornus yak samku Styracosaurus abo Monoclonius yak dijsnij rid U toj chas yak statevij dimorfizm buv zaproponovanij dlya ceratopsa Protoceratops nemaye perekonlivih dokaziv statevogo dimorfizmu bud yakih ceratopsidiv Inshi sinonimizuvali C nasicornus z C apertus abo vvazhali jogo okremim vidom Centrosaurus Centrosaurus nasicornus Jogo takozh pripuskayut yak pryamogo predka Styracosaurus albertensis U 2014 roci doslidzhennya zmin pid chas rostu Centrosaurus prijshlo do visnovku sho C nasicornus ye molodnyakom C apertus sho predstavlyaye serednyu stadiyu rostu Vid C brinkmani yakij buv opisanij u 2005 roci buv peremishenij do novogo rodu u 2012 rociOpisPorivnyannya rozmiru z lyudskim Masivni tila centrozavriv mali kremezni kincivki ale ce ne veliki dinozavri dosyagayuchi 5 5 5 metres 16 18 ft u dovzhinu ta 2 2 5 metric tons 2 2 2 8 short tons u masi tila Yak i inshi centrozavri centrozavr mav poodinoki veliki rogi nad nosom Ci rogi vignuti vpered abo nazad zalezhno vid zrazka U miru starinnya tvarin ornamentaciya cherepa zmenshuvalasya Oborka bula vidnosno korotkoyu porivnyano iz zagalnoyu dovzhinoyu cherepa i mogla virostati do pivmetra 68 8 sm zavdovzhki u najstarshih i najbilshih doroslih osobin Centrosaurus viriznyayetsya dvoma velikimi rogami yaki zachiplyuyutsya vpered za oborku Nad ochima takozh znahoditsya para malenkih rizhkiv spryamovanih vgoru Oborki Centrosaurus buli pomirno dovgimi z dosit velikimi ta malenkimi rogami po zovnishnih krayah KlasifikaciyaKistka iz zadnoyi chastini oborki Centrosaurus Ci gachki ye diagnostichnimi dlya rodu Povni cherepi roztashovani v ontogenetichnomu poryadku Rid Centrosaurus dav nazvu pidrodini Centrosaurinae Jogo najblizhchimi rodichami ye Styracosaurus i Monoclonius Voni nastilki shozhi na ostannyu z nih sho deyaki paleontologi vvazhayut sho voni predstavlyayut tu samu tvarinu Inshi predstavniki kladi Centrosaurinae vklyuchayut Pachyrhinosaurus i Predstavlena nizhche kladograma predstavlyaye filogenetichnij analiz Chiba et al 2017 ANSP 15800 MOR 692 CMN 8804 Nasutoceratops titusi Malta new taxon Xenoceratops foremostensis Styracosaurus albertensis Centrosaurus apertus Spinops sternbergorum Pachyrhinosaurini Pachyrhinosaurus perotorum PaleobiologiyaZlipok AMNH 5427 Yak i v inshih ceratopsidiv shelepi centrozavra buli pristosovani do zsuvu cherez micnij roslinnij material Vidkrittya gigantskih kistkovih shariv Centrosaurus v Kanadi svidchit pro te sho voni buli stadnimi tvarinami j mogli podorozhuvati velikimi stadami Kistkove lozhe sho skladayetsya z ostankiv Centrosaurus i Styracosaurus vidome z na teritoriyi suchasnoyi Alberti Masova zagibel mogla buti sprichinena tim sho tvarini yaki zbiralisya navkolo vodopoyu pid chas posuhi Centrosaurus znahoditsya nizhche v formaciyi nizh Styracosaurus sho vkazuye na te sho Centrosaurus buv vitisnenij Styracosaurus u miru zmini seredovisha z chasom Vidnovlennya plavannya stada Harakternimi risami cih rodiv ye veliki oborki ta nosovi rogi ceratopsiv Funkciya cih osoblivostej bula predmetom dovgih diskusij pochinayuchi z momentu viyavlennya pershih rogatih dinozavriv Zaraz isnuyut rizni teoriyi yaki poyasnyuyut funkciyi oborkiv i rogiv ceratopsa Do nih vidnosyat zahist vid hizhakiv intrapopulyacijnu borotbu ta hizuvannya U 2009 roci doslidzhennya urazhennya cherepa triceratopsa ta centrozavra pokazali sho travmi kistok buli sprichineni vnutrishnovidovoyu borotboyu a ne napadami hizhakiv Oborki Centrosaurus buli nadto tonkimi dlya zahistu vid hizhakiv hocha bilsh tovsti ta micni oborki triceratopsa mozhlivo evolyucionuvali dlya zahistu shiyi Oborki Centrosaurus jmovirno vikoristovuvalisya dlya rozpiznavannya vidiv ta inshih form vizualnogo vidobrazhennya Paleopatologiya U ekzemplyara Centrosaurus apertus znajdenogo v Provincijnomu parku dinozavriv u 1989 roci bulo viyavleno osteosarkomu pravoyi malogomilkovoyi kistki Doslidzhennya rakovih utvoren u kistkah svidchit pro te sho rak dosyag agresivnoyi stadiyi Rak mig prizvesti do silnoyi kulgavosti sho zrobilo ceratopsa bilsh urazlivim do hizhakiv Odnak toj fakt sho vin buv chastinoyu stada dozvoliv centrozavru vizhiti nabagato dovshe nizh mozhna bulo b ochikuvati vid tvarini infikovanoyi takoyu vazhkoyu hvoroboyu Vvazhayetsya sho sama osoba zaginula vid utoplennya pid chas raptovoyi poveni yaka utvorila lozhe kistok centrozavra de yiyi znajshli Cej zrazok zalishayetsya odnim iz nebagatoh znajdenih zrazkiv dinozavra z vazhkim rakom PaleobiogeografiyaVidbitok shkiri AMNH 5427 Tomas M Leman zauvazhiv sho skam yanilosti Centrosaurus ne buli znajdeni za mezhami pivdennoyi Alberti hocha voni ye odnimi z najposhirenishih dinozavriv v regioni Veliki travoyidni tvarini taki yak ceratopsi sho meshkali v Pivnichnij Americi pid chas piznoyi krejdi mali nadzvichajno mali geografichni areali popri velikij rozmir tila ta visoku ruhlivist Take obmezhene poshirennya rizko kontrastuye z suchasnoyu faunoyu ssavciv areal velikih travoyidnih tvarin zazvichaj ohoplyuye bilshu chastinu kontinentu Primitki Burns M E Sissons R L 2009 A redescription of the ankylosaurid dinosaur Dyoplosaurus acutosquameus Parks 1924 Ornithischia Ankylosauria and a revision of the genus Journal of Vertebrate Paleontology 29 4 1117 1135 doi 10 1671 039 029 0405 Centrosaurus In Dodson Peter amp Britt Brooks amp Carpenter Kenneth amp Forster Catherine A amp Gillette David D amp Norell Mark A amp Olshevsky George amp Parrish J Michael amp Weishampel David B The Age of Dinosaurs Publications International LTD p 135 ISBN 0 7853 0443 6 Dodson P 1996 The Horned Dinosaurs A Natural History Princeton University Press Princeton New Jersey pp 197 199 ISBN 0 691 02882 6 Ryan Michael J Evans David C 2005 Ornithischian Dinosaurs U Currie Phillip J red Dinosaur Provincial Park A Spectacular Ancient Ecosystem Revealed Bloomington Indiana University Press s 312 348 ISBN 0 253 34595 2 Dodson P Quantitative aspects of relative growth and sexual dimorphism in Protoceratops Journal of Paleontology 50 929 940 Forster C A 1990 The cranial morphology and systematics of Triceratops with a preliminary analysis of ceratopsian phylogeny Ph D Dissertation University of Pennsylvania Philadelphia 227 pp Lehman T M 1998 A gigantic skull and skeleton of the horned dinosaur Pentaceratops sternbergi from New Mexico Journal of Paleontology 72 5 894 906 doi 10 1017 S0022336000027220 Sampson S D Ryan M J Tanke D H 1997 Craniofacial ontogeny in centrosaurine dinosaurs Ornithischia Ceratopsidae taphonomic and behavioral phylogenetic implications Zoological Journal of the Linnean Society 121 3 293 337 doi 10 1111 j 1096 3642 1997 tb00340 x M J Ryan and D C Evans 2005 Ornithischian dinosaurs In P J Currie and E B Koppelhus eds Dinosaur Provincial Park A Spectacular Ancient Ecosystem Revealed Indiana University Press Bloomington pp 312 348 Russell L S 1930 Upper Cretaceous dinosaur faunas of North America Proceedings of the American Philosophical Society 69 4 133 159 Paul G S 2010 The Princeton Field Guide to Dinosaurs Princeton University Press p 261 Frederickson J A Tumarkin Deratzian A R 2014 Craniofacial ontogeny in Centrosaurus apertus PeerJ 2 e252 doi 10 7717 peerj 252 PMC 3933270 PMID 24688836 a href wiki D0 A8 D0 B0 D0 B1 D0 BB D0 BE D0 BD Cite journal title Shablon Cite journal cite journal a Obslugovuvannya CS1 Storinki iz nepoznachenim DOI z bezkoshtovnim dostupom posilannya Ryan M J Evans D C Shepherd K M Sues H 2012 A new ceratopsid from the Foremost Formation middle Campanian of Alberta Canadian Journal of Earth Sciences 49 10 1251 Bibcode 2012CaJES 49 1251R doi 10 1139 e2012 056 Paul Gregory S 2010 Princeton Field Guide to Dinosaurs Princeton University Press ISBN 978 0 691 13720 9 Benson Roger B J Campione Nicolas E Carrano Matthew T Mannion Philip D Sullivan Corwin Upchurch Paul 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5 394R doi 10 2307 3514834 JSTOR 3514834 Farke A A Wolff E D S 2009 Evidence of Combat inTriceratops PLOS ONE 4 1 e4252 Bibcode 2009PLoSO 4 4252F doi 10 1371 journal pone 0004252 PMC 2617760 PMID 19172995 Ekhtiari S Chiba K Popovic S Crowther R Wohl G Wong A K O Tanke D H Dufault D M Geen O D 2020 First case of osteosarcoma in a dinosaur a multimodal diagnosis The Lancet Oncology 21 8 1021 1022 doi 10 1016 S1470 2045 20 30171 6 PMID 32758461 Lehman T M 2001 Late Cretaceous dinosaur provinciality In Mesozoic Vertebrate Life edited by Tanke D H and Carpenter K Indiana University Press pp 310 328 Ce nezavershena stattya pro dinozavriv Vi mozhete dopomogti proyektu vipravivshi abo dopisavshi yiyi
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