Acrotholus
Acrotholus wuxuu ahaa dinosaur yar oo dhirta cuna, kaas oo lahaa madax adag oo lafo ah. Wuxuu noolaa qiyaastii 84 milyan oo sano ka hor meesha hadda loo yaqaan Kanada. Madaxan adag waxaa laga yaabaa in loo isticmaali jiray tartanka madax-garaacista ee u dhexeeya tartamayaasha!12
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dherer ahaan la eg 4 bisad guri oo sanka ilaa dabada ah🍌dherer ahaan la eg 10 muus oo isku xigaculeys ahaan la eg 10 bisad guri🍉culeys ahaan la eg 8 qaraha🧸culeys ahaan la eg 2 carruurta xannaanada🎒culeys ahaan la eg 1 carruurta dugsiga🏃wuxuu ordi karaa 100 mitir 8.2 ilbiriqsi (aadanaha ugu dheereeya wuxuu u baahan yahay 9.6)Intee in le'eg ayuu Acrotholus ahaa marka la barbar dhigo ADIGA?
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Xaqiiqooyin xiiso leh
Acrotholus waa pachycephalosaur-kii ugu da'da weynaa ee laga yaqaan Waqooyiga Ameerika, laga yaabee inuu yahay kan ugu da'da weyn adduunka.2
Madaxiisu wuxuu ahaa mid aad u dhumuc weyn, ilaa 55 millimitir (qiyaastii 2 inji) oo ka sarreeya maskaxda, taas oo ku dhow kala bar dhererka guud ee madaxa.2
Madaxu wuxuu ahaa mid si buuxda u horumaray inkasta oo Acrotholus uu noolaa waqti ka hor pachycephalosaurs-ka kale, taas oo muujinaysa in astaantan ay soo ifbaxday waqti ka hor intii ay saynisyahannadu u maleynayeen.2
Magaca Acrotholus macnihiisu waa 'madax-sare oo ugu sarreeya' afka Giriigga, taas oo tixraacaysa saqafka madaxiisa ee dhumucda weyn.1
Magaca nooca audeti wuxuu sharfayaa Roy Audet, oo ahaa beeralay u oggolaaday saynisyahannada inay ka qodaan dhulkiisa halkaas oo laga helay madaxii ugu horreeyay.12
Acrotholus wuxuu lahaa madax siman oo aan lahayn burooyin ama xariiqyo lagu arko pachycephalosaurs-ka kale, taas oo soo jeedinaysa in lafaha la helay ay ka yimaadeen xayawaanno waaweyn.2
Su'aalaha ugu badan ee ku saabsan Acrotholus
?Intee ayuu la ekaa Acrotholus?
Acrotholus wuxuu ahaa dinosaur yar, oo miisaankiisu yahay 40 kg (88 lb) ama ka yar. Qolofka madaxiisu wuxuu ahaa qiyaastii 55 mm (2.2 in) dhumucdiisu.12
?Maxuu cuni jiray Acrotholus?
Acrotholus wuxuu ahaa dinosaur dhirta cuna, sida dinosaur-yada kale ee loo yaqaan pachycephalosaurs.1
?Maxuu Acrotholus madaxa ugu lahaa qayb sare oo adag?
Qaybtaas sare ee madaxa waxay u badantahay in loo isticmaali jiray in lagu hardamo marka ay isku dhacaan dinosaur-yada tartamaya, in kastoo saynisyahannadu ay weli ka doodayaan sida saxda ah ee ay u isticmaali jireen.1
?Goormuu noolaa Acrotholus?
Acrotholus wuxuu noolaa qiyaastii 84 ilaa 83.5 milyan oo sano ka hor, xilligii Late Cretaceous.1
Weydii Rex wax ku saabsan Acrotholus
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Burinta khuraafaadka
Khuraafaad: Dadka qaar waxay u maleynayaan in Acrotholus uu madaxiisa u isticmaali jiray inuu ku garaaco sida idaha bighorn.
Runta: Saynisyahannadu si dhab ah uma hubo. Madaxu waxaa laga yaabaa inuu ahaa mid loogu talagalay soo bandhigid ama dagaal, laakiin ma jirto caddayn toos ah oo muujinaysa in Acrotholus uu madaxa isku garaaci jiray.1
Khubarada dino
- Magaca sayniska
- Acrotholus
- Waxaa magacaabay
- Evans et al. 20134
- Koox
- Madax-gumbur
- Qoyska / kooxda
- Pachycephalosauridae4
- Kala soocidda
- Ornithischia > Pachycephalosauria4
- Xilligii dhagaxyada
- 86 ilaa 84 milyan oo sano (Santonian)4
- Dhagaxyada
- Milk River4
- Waddamada
- Canada4
- Diiwaanka fossil-ka
- 1 oo ku jira Paleobiology Database4
- Daahfurka
- Lafaha ugu horreeya, oo ahaa qayb ka mid ah madax adag oo ku dhowaad dhammaystiran, waxaa laga helay beer uu lahaa Roy Audet oo ku taal Alberta, Kanada, waxaana magacaabay David Evans iyo asxaabtiisa sanadkii 2013.12
- Wali waa la isku khilaafsan yahay
- Saynisyahannadu weli way ku doodayaan in madaxan loo isticmaali jiray dagaalka u dhexeeya labka ama in loo isticmaali jiray soo bandhigidda, maadaama aan la helin lafo dhammaystiran.1
Halka xaqiiqadu ka timaaddo
- Acrotholus (en.wikipedia.org)
- The oldest North American pachycephalosaurid and the hidden diversity of small-bodied ornithischian dinosaurs | Nature Communications (nature.com)
- Study of new 'bone-head' hints at higher diversity of small dinosaurs | EurekAlert! (eurekalert.org)
- Acrotholus in The Paleobiology Database (CC BY 4.0): da'da, meelaha, qaab-dhismeedka dhagaxyada, kala-soocidda.
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