RIO DE JANEIRO, 7 ga Fabrairu. / TASS /. Masana kimiyyar kasar Brazil sun gano burbushin tsire-tsire na shekaru miliyan 280 a arewa maso gabashin kasar. Game da wannan ya rubuta shafin yanar gizon Jami'ar Tarayya na Piaui (UFPI) tare da tunani game da littafin a cikin mujallar kimiyya Review of Palaeobotany da Palynology.
"An gano sababbin tsirrai guda biyu na lokacin Permian na zamanin Paleozoic a gundumar Nova York (jihar Maranyan). A bankunan Kogin Parnaiba, shekarun burbushin shine shekaru miliyan 280," in ji littafin. A cewar Juan Cisneros, shugaban dakin gwaje-gwaje a Cibiyar UFPI ta Cibiyar Nazarin Halittu, an kira binciken ne Novaiorqueoitys da Yvirapitysgirmi dinosaur.
A cewar masanin kimiyyar, gano su zai taimaka wajen fadada ra'ayin abin da yankin kasar Brazil ta yanzu yake da shi a karshen Paleozoic, lokacin da nahiyoyin zamani suke wakiltar babban yanki na Pangea. “A lokacin, yanayin can kasar Piaui ya fi matsakaici, tsirrai da aka samu sun tabbatar da hakan,” in ji shi. Jihar Piaui, ta kara ilimin likitanci.
Ya kuma fayyace cewa kayayyakin tarihin halitta an samo asalin sassan jikin bishiyoyi ne na gungun wasu masu wasan motsa jiki, wadanda a yau suke mamaye wani yanki, kudu, Brazil.
Masana kimiyyar Brazil sun sanar da cewa sun gano wasu dabbobi biyu da ba a san su ba da farko. Da alama, su ne magabatan dinosaur. Dabbobin da ba a san su da masana kimiyya ba sun rayu shekaru miliyan 320 da suka gabata.
Masana kimiyya sun gano ragowar wasu dabbobi biyu da ba a san asalinsu ba, waɗanda, a fili, suka rayu kafin dinosaur, i.e. kimanin shekaru miliyan 320 da suka gabata. An gano su yayin rami a cikin jihar Rio Grande do Sul a kudancin Brazil a 2009-2010.
“Yawancin wannan ingancin suna da wuya ake samu a ko ina cikin duniya. Muna magana ne game da samfuran samfurori mafi kyau. Suna ba mu mahimman bayanai game da asali da kuma canjin dinosaur, ”TASS ya faɗi kalmomin malami a Jami'ar Lutheran na Brazil.
Wannan binciken ya baiwa masana kimiyya damar yin da'awar cewa mahaifar dinosaur ita ce Kudancin Amurka.
Sabbin nau'ikan dabbobi sunansu Buriolestes schultzi da Ixalerpeton polesinensis. Girman tsoffin ya kai tsawon mita 1.5 tare da tsawo na 50 cm, kuma nauyi - 7 kg. Zai yiwu, waɗannan dinosaur ne masu ƙaddarawar ƙananan girma, wanda ya motsa a ƙafafu biyu.
Tsawon wakilin Ixalerpeton polesinensis ya kasance kusan 40 cm tare da tsawo na 15 cm kawai, dabbar tana da nauyin kilogram 150 (kusan kamar tsuntsu na zamani na matsakaici).