
kaayanthatheriyam

aadyakaala jurassic kaalaghattatthil jeevichirunna tritilodontid sinodondukalude vamshanasham sambhavicha oru janussaanu kaayantatheriyam. american aikyanaadukalile vadakkan arisonayile keynta roopeekaranathil ninnulla rund tritilodondukalil onnaanith.
"kaayanthatheriyam" ennaal "kaayanta mrugam" ennaanu ardham, ithu kandethiya bhoomishaasthraparamaaya roopeekaranamaaya kaayanta roopeekaranathinte perilaanu ithu ariyappedunnathu. "kaayanthatheriyam" niravadhi saambilukalil ninnu ariyappedunnu. kaayanta roopeekaranathinte paaliyantolajiyekkurichu pioneering pravarthanangalil california sarvakalaashaalayile museum oof paleantologyumaayi pravarthicha paleantologist saamuval velsine aadarikkunnathaanu eee prathyeka peru.
charithram.
keyanta roopeekaranathil kandethiya aadyathe tritilodontid metteeriyal 1950-kalil shekharikkukayum 1977-lum 1982-lum fareesh jenkinsinte neethrthwathilulla oru samgham kooduthal metteeriyal shekharikkukayum cheythu. ithe paarakalil ninnu "dinnebittodon amarali", "nearctylodone broomy" ennivayum kandethiyenkilum randaamathethu pinneedu "kaayantatheriyam" ennathinte praayapoorthiyaakaatha maathrkayaayi kanakkakkappedukayum angane paryaayamaayi kanakkakkappedukayum cheythu.
vivaranam.
ekadesham oru meter neelamulla thalayottikk neelam koodiyirunnu. valia thalayum dridamaaya nattellumulla karuthuttathum pokkamullathumaya mrugamaayirunnu athu. chila gaveshakar ithu ardha-jalapradesamaayirikkaamenna karuthunnu, munbu kandupiduthangal kuzhikkunna sheelangale soochippikkunnathaayi karuthiyirunnathinaal ippol ithu avayavangalil pravartthikkunna neenthalile prathyekathayaayi vyaakhyaanikkappedunnu. wall kasherukkalude neriya parapum jwalikkunnathum ardha-jala paristhithikku prathyekathakal soochippikkunnu. anganeyaanengil, sasthanikalude phoosil recordile sasthanikalude roopangalile semi-akvaattik speshyalisathinte aadyakaala udaaharanangalilonnaayirikkum ithu.
punarnirmmaanam.
2000-ll arisonayude keynta roopeekaranathil ninnulla "keyntaatheriyam velesi" yude oru kandethal microct scan vazhi parisodhikkukayum kuranjathu 38 perinettukalulla oru muthirnnayaale kandethukayum cheythu, ithu jeevichirikkunna sasthanikalude maalinyathekkaal ganyamaayi kooduthalaanu. grouppinte valippam soochippikkunnathu oru koottam muttakalaan. perinettukalkku muthirnnavarkk samanamaaya thalayotti anupaathamundaayirunnu, nannayi vikasicha pallukalullavarkku jananasamayath svayam prathirodhikkaan kazhinjirikkaam. eee ghattathil tritilodondidukalkku sasthanikalude perinettukalekkaal aanupaathikamaayi cheria thalachorundennu alometric patanam kaanikkunnu, ithu aadyakaala sasthanikalile valia mastishka valuppathinte parinamam kuranja ennam santhathikalil kooduthal rakshaakarthru oorjjam nikshepikkunnathinulla prathyulpaadana thanthratthile mattangalumaayi bandhappettirikkunnu enna sidhaanthathe pinthunaykkunnu.

