Punatitan

Sunan Punatitan ya fito ne daga 'puna', iska mai tsawo da ƙarancin iskar oxygen na Andes inda aka gano kwarangwal ɗinsa.1

Sunan nau'in nan 'coughlini' yana girmama masanin ilimin ƙasa Tim Coughlin, wanda ya fara ba da rahoton kwarangwal ɗin dinosaur a yankin.1

An san Punatitan daga wani ɓangaren kwarangwal da ya haɗa da ƙashin wuya, ƙashin baya, ƙashin kwatangwalo, da ƙashin wutsiya 13 waɗanda har yanzu suke haɗe.1

A wurin da aka gano Punatitan, masana kimiyya sun gano ɗaya daga cikin mafi girman wuraren da dinosaur suke yin ƙwai, tare da ƙwai a cikin yadudduka uku da suka bazu har tsawon kilomita 3.2

Punatitan ya kasance cikin rukunin titanosaurs da ake kira Aeolosaurini, wanda ya haɗa da danginsa daga ƙasashen Argentina da Brazil.1

Wannan dinosaur ya rayu kimanin shekaru miliyan 83 zuwa 66 da suka wuce, a lokacin zamanin Campanian da Maastrichtian na ƙarshen zamanin Cretaceous.3