Dinosaure ea lilemo tse limilione tse 110 e bolokiloe hantle haholo e fumanoeng ka phoso ke basebetsi ba merafong Canada

Masalla a bonahala eka a ne a e-na le libeke tse seng kae feela a le teng le hoja daenasore e shoele lilemong tse fetang limilione tse 110 tse fetileng.

Lilemong tse 'maloa tse fetileng, Canada Bophirimela, mosebetsi oa morafo o ile oa lebisa ho e 'ngoe ea litšibollo tsa bohlokoa ka ho fetisisa lefatšeng tse sa lebaleheng morao tjena. Sehlopha sa basebetsi ba morafong se ile sa khoptjoa ka phoso ho seo e ka bang saense ea setopo sa li-dinosaur e kileng ea bonoa.

Borealopelta (e bolelang "thebe e ka Leboea") ke mofuta oa nodosaurid ankylosaur ho tsoa Early Cretaceous of Alberta, Canada. E na le mofuta o le mong, B. markmitchelli, e reheletsoeng ka 2017 ke Caleb Brown le basebetsi-'moho le eena ho tsoa ho mohlala o bolokiloeng hantle o tsejoang e le Suncor nodosaur.
Borealopelta (e bolelang “thebe e ka Leboea”) ke mofuta oa nodosaurid ankylosaur ho tsoa Early Cretaceous of Alberta, Canada. E na le mofuta o le mong, B. markmitchelli, e reheletsoeng ka 2017 ke Caleb Brown le basebetsi-'moho le eena ho tsoa ho mohlala o bolokiloeng hantle o tsejoang e le Suncor nodosaur. Wikimedia Commons

Nodosaur, phoofolo e jang litlama e neng e le bolelele ba limithara tse 18 le liponto tse ka bang 3,000, e ile ea fumanoa ka 2011 ke sehlopha se sebetsang lik'hilomithara tse 17 ka leboea ho Alberta, Canada morerong oa morafo. Ena ke ntho e tsotehang e fumanoeng kaha mesaletsa ea li-dinosaur e bolokiloe hantle; ho bona, re ka ithuta ho hongata ka bophelo le lefu la dinosaur.

Bo-rasaense ba bolela hore mesaletsa ena e bonahala eka e ne e e-na le libeke tse seng kae feela e le teng le hoja daenasore e shoele lilemong tse fetang limilione tse 110 tse fetileng. Sena se bakoa ke maemo a nepahetseng ao li neng li bolokiloe tlas'a tsona.

Tsosoloso ea Borealopelta markmitchelli.
3d Tsosoloso ea Borealopelta markmitchelli. Wikimedia Commons

Dinosaur - Borealopelta (e bolelang "thebe e ka Leboea") ke mofuta oa nodosaur e phetseng nakong ea Cretaceous - e ne e le e 'ngoe ea tse ngata tse ileng tsa fihla pheletsong ea eona ka lebaka la ho hoholoa ke likhohola tse tsoang nokeng ha e kena. leoatle.

Lihlomo tse teteaneng tse pota-potileng skeleton li ikarabella bakeng sa boemo ba eona bo phethahetseng. E koahetsoe ho tloha hloohong ho ea menoaneng ka lipoleiti tse kang lithaele 'me, ha e le hantle, patina e bohlooho ea matlalo a fossilized.

Borealopelta dorsal view nodosaur
Pono ea mokokotlo ea nodosaur e bitsoang Borealopelta.

Shawn Funk, ea neng a sebelisa mechini e boima Morafong oa Millennium, o ile a sibolla ntho e makatsang ha moepolli oa hae o otla ntho e tiileng. Seo ho neng ho bonahala eka ke majoe a sootho a walnut ha e le hantle e ne e le mesaletsa ea mesaletsa ea nodosaur ea lilemo tse limilione tse 110. Phepo e jang litlama e ne e tiile hoo halofo e ka pele - ho tloha nko ho ea lethekeng - e ka hlaphoheloa.

Michael Greshko oa National Geographic o re: “Ho makatsa ho bona mesaletsa ea daenasoe e soabileng.

“Mesaletsa ea letlalo e ntse e koahetse maqeba a makukuno a holim'a lehata la phoofolo ena. Leoto la eona le letona le ka lehlakoreng la eona, 'me linomoro tsa eona tse hlano li tsoetsoe holimo. Ke khona ho bala sekala holim'a eona feela," ho ngola Greshko.

Ka lebaka la ho patoa ha eona ka potlako ka tlas'a leoatle, daenasore e shebahala joalo ka ha e ne e etsa lilemong tse limilione tse fetileng. Ho latela litsebi tsa paleonto, taba ea hore lisele tsa eona ha lia ka tsa bola empa ho e-na le hoo li ile tsa fetoha mesaletsa ea lintho tsa khale ke seoelo haholo.

Borealopelta holotype (ea pele), E bonts'itsoe Musiamong oa Royal Tyrrell, Alberta, Canada.
Borealopelta holotype (ea pele), E bonts'itsoe Musiamong oa Royal Tyrrell, Alberta, Canada. Wikimedia Commons

Ho fapana le beng ka eona ba haufi e leng Ankylosauridae, li-nodosaur li ne li se na lihlopha tse arohaneng. Ho e-na le hoo, e ne e apara lihlomo tse hlabang ho thibela libatana. Dinosaur e bolelele ba limithara tse 18, e phetseng nakong ea Cretaceous, e ne e ka nkoa e le tšukulu ea mehleng ea eona.