Zby

An san Zby ne ta hanyar wani ɓangare na ƙasusuwa guda ɗaya, wanda ya haɗa da haƙori, ɓangaren ƙashin wuya, ƙashin wutsiya, da mafi yawan kafaɗar dama da hannu.1

Ƙashin hannun Zby (humerus) yana da wani ɓangare na musamman a baya wanda ba a gani a wasu sauropods ba. Wannan ɓangaren yana taimaka wa masana su bambance Zby da sauran danginsa.1

Zby ya kasance turiasaur, ƙungiyar sauropods da suka rayu a Turai kawai a lokacin ƙarshen Jurassic. Dangi mafi kusa da shi shi ne Turiasaurus daga Spain.1

Masanin ilimin halittu Octávio Mateus ne ya gano ƙasusuwan Zby a shekarar 1996. An gano su ne a wani kyakkyawan bakin teku da ke kallon Tekun Atlantic, shi ya sa aka ba shi sunan atlanticus.1

Zby ya rayu kimanin shekaru miliyan 152 zuwa 149 da suka wuce, a lokacin Kimmeridgian na Late Jurassic.5

Dukkan manyan sauropods da aka gano a ƙarshen Jurassic na Portugal, ciki har da Zby, sun kasance manya sosai. Masana suna tunanin cewa ƙananan dabbobi masu cin tsirrai kamar stegosaur Miragaia mai dogon wuya wataƙila su ne suke cin ƙananan tsirrai.1